Home

M5271EVB User`s Manual

1. asa AZ 1 NO 24 r ze wa 843643 289585 GU 4943 3 zns LA 1491 3096 a Ul Isms SES 4 1 1 vns t ao 9 559 5 Tir ozn 1 sse Bzursy ta 3 1 012 9012 pio Ex ER ozr Ir 91n T s m s ano rt lt m 118 2 eat 7 s 3 ang Gia 02 n 14 gom d F LE Luis Le o o o o obg MI 7 14 in o 9419 pr 1419 i e 4912 ul E 1Zu It 469 TI 2 m sc sn i ZU azia 15 22 Lc TS va GAJ a esta mE a vn x m b mie 1 jg
2. 2 dBUG gt Sia OBES x 57 5 m SC ZEEE sss SIE 5 s Gio Lir Q UD oo amp 5 og 8 woes s s Jf zL JC J ZEE DSTI dod e gt lt m Ex ad gS um LS 2 oid s gf E CR E EE 59 k n 2 za x wv al j EIE BU 1 slr 5 5 li r L3 BI ag P 7 8 5 5 8 1 E a i JI L C js Lc lt 2 gov Loe RES EIUS es B N gt ae 772 8 E Pur 3 Li M AU ELI 9 t 8 5 is 4 H E Ae s lt D e ie 2 HM os iis SOS
3. M5275EVB User s Manual B 8 5275 Schematics Amm B EE MOTOROLA Appendix B Schematics B 9 M5275EVB Schematics NOTE chet he phys cui posi an of through 26 so thet degitecad nepN Cena Orm PUE AGE rie thas conden Pre jt opanke PCB ed p be EO be veeg cterintor od lt H Ew 2 E H i H om mE gt H asao 8 Hom H 10 M5275EVB User s Manual 5275 Schematics ee 3 Appendix Schematics B 11 M5275EVB Schematics ww DO pa B perm p m SQA dd B x Ej eso mo IH m BUMPER OS id M FIM 145 K q AR OQ poe is sip ceson in amu ct M5275EVB User s Manual B 12 5275 Schematics wer oreding d shemi pages s CHELL corrected o er
4. lt gt to invoke the command again The command is executed as if no command line parameters were provided An additional function called the System Call allows the user program to utilize various routines within dBUG The System Call is discussed at the end of this chapter The operational mode of dBUG is demonstrated in Figure 3 1 After the system initialization the board waits for a command line input from the user terminal When a proper command is entered the operation continues in one of the two basic modes If the command causes execution of the user program the dBUG firmware may or may not be re entered at the discretion of the user s program For the alternate case the command will be executed under control of the dBUG firmware and after command completion the system returns to command entry mode During command execution additional user input may be required depending on the command function For commands that accept an optional width to modify the memory access size the valid values are e B 8 bit byte access W 16 bit word access L 32 bit long access When no lt width gt option is provided the default width is W 16 bit The core ColdFire register set is maintained by dBUG These are listed below 0 7 00 07 SR control registers ColdFire are not readable by supervisor programming model and thus not accessible via dBUG User code may
5. se n R Ta vt bin d 1 O1 wap DX ew a ma Dami 91 2 Bon p J T i mp i i ali E MOTOROLA Appendix B Schematics M5275EVB Schematics Sm npn pn in M5275EVB User s Manual 5275 Schematics VON 330r pecus SPUR painfiguoo BSN eur vLLLISSn ARRUA JO y Land edid oy ae 824 91 30 10949 97W04 310N Mai Lasers OSO WO YL 9 04 1481004 15 Appendix Schematics MOTOROLA 5275 Schematics M5275EVB User s Manual Appendix 5275 5275 BOM Appendix C M5275EVB BOM 1 M5275EVB BOM C 2 M5275EVB User s Manual 20 32 33 34 35 36 37 00 1 4527K Fuse Holder by KEYSTONE 0216005 H Fuse by Littlefuse 5a 250v 5x20 mm glass 16 52105 02 or M22 2510205 2105 02 or M22 2510205 52105 03 22 2510305 52105 02 or 22 2510205 787780 1 609 2627 1 J8064D628A 179030 2 1 IPZCOASAAN or 22 10 2041 1 1210 1034 3 B8211
6. rcp a out santafe tftp boot a out Change the default filename and filetype with the commands set filename a out set filetype coff A 2 M5275EVB User s Manual Troubleshooting Network Problems Finally perform the network download with the dn command The network download process uses the configured IP addresses and the default filename and filetype for initiating a TFTP download from the TFTP server A 3 Troubleshooting Network Problems Most problems related to network downloads are a direct result of improper configuration Verify that all IP addresses configured into dBUG are correct This is accomplished via the show command Using an IP address already assigned to another machine will cause dBUG network download to fail and probably other severe network problems Make certain the client IP address is unique for the board Check for proper insertion or connection of the network cable Is the status LED lit indicating that network traffic is present Check for proper configuration and operation of the TFTP server Most Unix workstations can execute a command named tftp which can be used to connect to the TFTP server as well Is the default TFTP root directory present and readable If DESTINATION UNREACHABLE or similar ICMP message appears then serious error has occurred Reset the board and wait one minute for the TFTP server to time out and terminate any open connections Verify that the IP addr
7. 3 38 M5275EVB User s Manual Commands VERSION Display dBUG Version Usage VERSION The VERSION command displays the version information for dBUG The dBUG version build number and build date are all given The version number is separated by a decimal for example 2b 1c 1a In this example v 2b 1c cda dBUG common P d C PU major board major major and minor and minor and minor revision revision revision The version date is the day and time at which the entire dBUG monitor was compiled and built Examples To display the version of the dBUG monitor the command is version Chapter 3 Using the Monitor Debug Firmware 3 39 TRAP 15 Functions 3 5 15 Functions An additional utility within the dBUG firmware is a function called the TRAP 15 handler This function can be called by the user program to utilize various routines within the dBUG to perform a special task and to return control to the dBUG This section describes the TRAP 15 handler and how it is used There are four TRAP 15 functions These are OUT CHAR IN CHAR CHAR PRESENT and EXIT TO dBUG 3 541 OUT CHAR This function function code 0x0013 sends a character which is in the lower 8 bits of D1 to the terminal Assembly example assume 91 contains the character move l 50013 40 Selects the function TRAP 15 The character in dl is sent to terminal C example void board out char int ch If your com
8. IRD Internal Register Display Usage IRD lt module register gt This command displays the internal registers of different modules inside the MCF5275 In the command line module refers to the module name where the register is located and register refers to the specific register to display The registers are organized according to the module to which they belong Use the IRD command without any parameters to get a list of all the valid modules Refer to the MCF5275 user s manual for more information on these modules and the registers they contain Example ird sim rsr Chapter 3 Using the Monitor Debug Firmware 3 21 Commands IRM Internal Register Modify Usage IRM module register data This command modifies the contents of the internal registers of different modules inside the MCF5275 In the command line module refers to the module name where the register is located and register refers to the specific register to modify The data parameter specifies the new value to be written into the register Example To modify the TMR register of the first Timer module to the value 0x0021 the command is irm timerl tmr 0021 3 22 M5275EVB User s Manual Commands HELP Help Usage HELP lt command gt The HELP command displays a brief syntax of the commands available within dBUG In addition the address of where user code may start is given If command is provided then a brief listing of the syntax of the specified command
9. parameters that may be provided in Freescale Semiconductor data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts Freescale Semiconductor does not convey any license under its patent rights nor the rights of others Freescale Semiconductor products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the Freescale Semiconductor product could create a situation where personal injury or death may occur Should Buyer purchase or use Freescale Semiconductor products for any such unintended or unauthorized application Buyer shall indemnify and hold Freescale Semiconductor and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that Freescale Semiconductor was negligent regarding the design or manufacture of the part Learn More For more information about Freescale products please visit www freescale com e Te oe 2 free
10. 1 16 Connectors and User Components a 1 16 Daughter Card Expansion Connectors 1 16 1 20 User ES DDS beu eet ote er 1 21 Other E BIDS dutta cen toads 1 21 Chapter 2 Initialization and Setup System Configuration ap duos 2 Installation and Setup e eet t err d ene eve a Au 2 2 Contents 1 Paragraph Number 2 2 1 22 223 2 2 4 2 2 5 2 2 6 221 2 2 8 2 2 9 259 2 4 3 1 3 2 oc 3 2 2 322l 3 2 22 3 2 2 3 3 3 3 4 3 5 3 5 1 3 5 2 3 5 3 3 5 4 1 2 1 CONTENTS Page aie Number Unpacking one 2 3 Preparing the Board for Use t e 2 3 Providing Power to the 2 3 Power switch WS 2 4 Power Status LEDs and 2 4 Selecting Terminal Baud Rate 2 5 The Terminal Character Format en 2 5 i os E NE ra aee dessen rc te ae 2 5 Using a Personal Computer as a 2 5 System Power up and Initial 2 8 Th
11. C111 C112 C113 C115 C116 C 118 C119 C123 C124 C130 C1 31 C133 C134 C136 C137 C14 2 C143 C144 C145 C146 C147 C148 C149 C150 C151 C152 C153 C155 C157 C159 C162 C 163 C164 C167 C168 C171 C1 72 C173 C174 C175 NN SMD 597 0865 89 Venksi 77777 6805 50V NPO 613514 63354 63 5 C36 C44 C45 C49 C51 C53 C55 C57 C64 C69 C70 C73 4 5 TPSC476K016R0350 AVX ap 47uf C case 41 127 129 135 139 5 2 020 106 AVX 10uF 20v 10 B case C48 C61 tant 6 6 TPSE337K010R0100 AVX 330uf 10 D case 117 122 125 126 128 7343 12 132 7 1 ECA 1VM102 or 1000uF 121 UVZ1H102MHH 35VCPCYL1 D 500 LS 200 040 za oo ww ap SMB SUV 0808 SX 77 9 2 22 22pF SMD 50V 0805 5 C160 C161 10 8 AA3528SGC Kingbright LED Green SMT D1 D2 D3 D4 D8 D14 D16 D18 11 3 MRA4003T3 Motorola SMA D5 D12 D13 12 7 _MBRS340T3 Motorola SMC 06 07 09 010 011 015 017 14 2 5285 Kingbright LED Red SMT D19 D20 15 8 AA3528MBC or TLMB3100 Kingbright LED Blue SMT D21 D22 D23 D24 D25 D26 D2 38 39 41 65 66 67 68 85 86 87 4x 4 7K 4x 51 4 470 22 10K 49 91 6 49K 1 220 4 7K 270 560 78RBO4S 25546NA6 silver perfered 25546NLD gold plate KS11R23CQD 78RB12 5015K CY7C1041CV3310ZC No populate SN74LVC1G11 MCF5475CVM KS872
12. Computer as a Terminal A personal computer may be used as a terminal provided a terminal emulation software package is available Examples of this software are PROCOMM KERMIT QMODEM Windows 95 98 2000 XP Hyper Terminal or similar packages The board should then be connected as described in section 2 2 8 Connecting the Terminal Once the connection to the PC is made power may be applied to the PC and the terminal emulation software can be run In terminal mode it is necessary to select the baud rate and character format for the channel Most terminal emulation software packages provide a command known as press the p key while pressing the Alt key to choose the baud rate and character format The character format should be 8 bits no parity one stop bit see Chapter 2 Initialization and Setup 2 5 Installation and Setup section 1 9 5 The Terminal Character Format The baud rate should be set to 19200 Power can now be applied to the board Figure 2 4 Pin Assignment for Female Terminal Connector Pin assignments are as follows Table 2 2 Pin Assignment for Female Terminal Connector DB9 Pin Function 1 Data Carrier Detect Output shorted to pins 4 and 6 2 Receive Data Output from board receive refers to terminal side 3 Transmit Data Input to board transmit refers to terminal side 4 Data Terminal Ready Input shorted to pin 1 and 6 5 Signal Ground 6 Data Set R
13. JpPU Sdr var lt 1 22 _ T bray zd vau lta in m n 283 12 2 8512 183 589 783 183 223 v83 evo sey 2512 s OHG ax 9405 m WHY 3594 13 1 e Ai 12 263 2 T 969 s 43 60 4512 1 52 teau 883 2 zarj 1 9513 N 1 wes los dii d dr 862 LE 12 m sq 5 5 baa s Fa su Ur woe q Lr 1 893 zrat star 4 2 und Ste zn year vso 5 ovy vzdy 223217 59184190415 N 802 L 12 Tzaszasezaezazza 4 023 LII gt Z zu TE 213 0 852052952 427 2813 zs i vsa 682091 jng 245 659 52 28 ozat Tzar ON 295 7 po HE st 6412012 293 93 _ 92 28502 004 Seer 1 ides at 5512 S zen gAISZZEW SJLJPIOJ d HT Trau I J 3 621052 m r 1 99 0 2512 bar asn 5 9919 18 5 g8 say ssau i 4 HAT e
14. RST 53 TRST DSCLK 54 RESET 55 TCLK PSTCLK 56 TDO DSO 57 TDI DSI 58 TMS BKPT 59 GND 60 GND Table 1 15 J6 Pinout Pin Signal Pin Signal 1 5V 2 1 5V 3 2 5V 4 3 3V 5 B D22 6 B D18 7 B D21 8 B D17 9 B D20 10 B D16 11 B D19 12 SD DQSO 13 GND 14 GND Chapter 1 M5275EVB Introduction 1 19 Connectors and User Components Table 1 15 J6 Pinout Continued Pin Signal Pin Signal 15 cso 16 SD CLKOUT 17 50 10 18 19 SD CLKOUT 20 R W 21 CS1 22 TEA 23 RTS2 24 RCON 25 RXD2 26 TXD2 27 CTS2 28 GND 29 GND 30 PST3 31 PST2 32 PST1 33 PSTO 34 GND 35 GND 36 DDATA3 37 DDATA2 38 DDATA1 39 DDATAO 40 GND 41 GND 42 QSDO 43 CLKOUT 44 GND 45 GND 46 PCSO 47 PSC2 48 PSC3 49 PSC1 50 GND 51 GND 52 QSDI 53 CLKMODO 54 CLKMOD1 55 JTAG EN 56 SCK 57 GND 58 GND 59 GND 60 GND 1 5 2 Reset Switch SW5 The reset logic provides system initilization Reset occurs during power on or via assertion of the signal RESET which causes the MCF5275 to perform a hardware reset Reset is also triggered by the reset switch SW5 which resets the entire processor system A hard reset and voltage sense controller U20 is used to produce an active low power on RESET signal The reset switch SWS is fed into U18 which generates the signal which is fed to the MCF5275 reset RESET There are three sources of res
15. are copied to address 0 0000 0000 in the SDRAM The Software Watchdog Timer is disabled the Bus Monitor is enabled and the internal timers are placed in a stop condition A memory map for the entire board can be seen in Table 1 2 If the external RCON pin is asserted SW6 1 ON during reset then various chip functions including the reset configuration pin functions after reset are configured according to the levels driven onto the external data pins See tables below on settings for reset configurations If the RCON pin is negated SW6 1 OFF during reset the chip configuration and the reset configuration pin functions after reset are determined by the RCON register or fixed defaults regardless of the states of the external data pins Table 1 4 SW6 1 RCON SW6 1 Reset Configuration OFF RCON not asserted Default Chip configuration or RCON register settings ON RCON is asserted Chip functions including the reset configuration after reset are configured according to the levels driven onto the external data pins Table 1 5 SW6 2 JTAG EN SW6 2 JTAG Enable OFF JTAG interface enabled ON BDM interface enabled Table 1 6 SW6 4 3 Encoded Clock Mode SW6 3 SW6 4 Clock Mode ON ON Normal PLL mode with external clock reference ON OFF Normal PLL mode with external clock reference OFF ON External clock mode PLL disabled OFF OFF 1 1 PLL mode Chapter 1 M5275EVB Introductio
16. dBUG Data Chip Selects CSO Ext Flash CS1 Ext ASRAM 3 28 0x00000000 0x20000000 0x30000000 0x40000000 OxFFE00000 OxFFE00000 0x00000000 OxOOFFFFFF 0x2000FFFF 0x3007FFFF Ox7FFFFFFF OxFFFFFFFF 0x0000FFFF Port Size M5275EVB User s Manual Commands RD Register Display Usage RD lt reg gt The RD command displays the register set of the target If no argument for reg is provided then all registers are displayed Otherwise the value for reg is displayed dBUG preserves the registers by storing a copy of the register set in a buffer The RD command displays register values from the register buffer Examples To display all the registers and their values the command is rd To display only the program counter rd Here is an example of the output from this command PC 00000000 SR 2000 t Sm 000 xnzvc An 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01000000 Dn 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Chapter 3 Using the Monitor Debug Firmware 3 29 Commands RM Register Modify Usage RM reg data The RM command modifies the contents of the register reg to data The value for reg is the name of the register and the value for data may be a symbol name or it is converted according to the user defined radix normally hexadecimal dBUG preserves the registers by storing a copy of the register set in a
17. utilities that will display information about the Flash devices on the EVB erase a specified range of Flash or erase and program a specified range of Flash When issued with no parameters the FL command will display usage information as well as device specific information for the Flash devices available This information includes size address range protected range access size and sector boundaries When the erase command is given the FL command will attempt to erase the number of bytes specified on the command line beginning at addr If this range doesn t start and end on Flash sector boundaries the range will be adjusted automatically and the user will be prompted for verification before proceeding When the write command is given the FL command will program the number of bytes specified from src to dest An erase of this region will first be attempted As with the erase command if the Flash range to be programmed doesn t start and end on Flash sector boundaries the range will be adjusted and the user will be prompted for verification before the erase is performed The specified range is also checked to insure that the entire destination range is valid within the same Flash device and that the src and dest are not within the same device 3 18 M5275EVB User s Manual Commands GO Execute Usage GO lt addr gt The GO command executes target code starting at address addr The value for addr may be an absolute address specifie
18. 1 B C24 1 RAPC722 1 25 02 747844 3 ZC10SAAN 22 12 2101 JP2M P2M JUMPER3 0 _JP2M Buffer control SB PORT B Thomas amp Betts Pulse AMP 2111 __ __ ______ _ 053378 1 901 143 6RFX API Delevan SIEMENS Switchcraft Augat AMP Conn 1 x 4 male header 10uh 1210 ferrite RS232 PORT THRU HOLE DB9 ee es 1 2 4 disk drive power connector 222 7 028 F1 JP1 JP2 JP12 JP13 JP14 JP15 JP16 JP 17 JP 18 JP 19 JP20 J P21 JP22 JP23 JP24 JP25 JP6 JP7 JP8 JP26 JP27 JR1 J1 J2 J3 J4 J5 J6 28 910 L1 2 1314 1 2 P3 P4 BOM M5275EVB Evaluation Board Revised Tuesday June 22 2004 Rapid PCB QTY s PART INFORMATION 521525 Item Assy Part Number Manufacturer gt Description amp Package Ref Des 1 65 0805CG102J9BBO Phycom 1nF NPO 25v 1 2 8 9 10 15 16 1 0805 5 7 18 24 26 28 29 30 C31 C32 C42 C43 C50 C54 C5 8 C59 C62 C65 C68 C71 C78 C80 C82 C84 C86 C87 C88 C8 9 C90 C91 C92 C93 C94 C95 C96 C97 C98 C99 C100 C101 C106 C107 C108 C109 C114 C 120 C138 C154 C156 C158 C1 65 C166 C169 C170 C176 C17 7 C178 C179 C180 2 74 08055 104 2 0 1uf 25v X7R 0805 10 3 4 5 6 7 19 20 21 C22 C23 C25 C27 C37 C38 C 39 C40 C46 C47 C52 C56 C60 C63 C66 C67 C72 C74 C75 C7 6 C77 C79 C81 C83 C85 C110
19. 1B MC74LCX541DT AMD Am29PL160CB 65RS Am29PL320D LM2596S 3 3 11 25965 5 LP2995M LM2596S ADJ ADM708SAR FOXS 250F 20 P1145 HCV series MAX3225CAP or P1145 HCV series PDIUSBP11APW NO POP KOA or Philips DB9 RS232 PORT THRU HOLE 5 DB9 No populate a Philips ee eee ec Ee ee KOA or Philips ee Philips sl AE KOA or Philips KOA or Philips KOA or Philips KOA or Philips KOA or Philips KOA or Philips KOA or Philips KOA or Philips KOA or Philips ____________________ KOA or P KOA or Philips KOA or Philips KOA or Philips KOA or Philips KOA or Philips KOA or Philips Grayhill Apem C amp K Grayhill Keystone Micrel On Semi AMD AMD National National National National Analog Devices FOX Pletronics Maxim Philips SW DIP 4 POWER SW SLIDE SPST Board Edge Configuration DIP switch SMT TEST Point IC TSSOP 20 IC SO 44 PIN BGA 84P M01 IC TO 263 5 IC TO 263 5 IC REGULATOR DDR TERM 8 SOIC IC TO 263 5 IC SOIC 8 Xtal HC49C OSC 3 3V 25 Mhz 4 pin T OSC 3 3V 48 Mhz 4 pin T IC 14PIN SSOP INTERFACE TR 027 ANSCEIVER CUSTOMER SUPPLIED RP2 RP3 RP4 RP5 RP6 RP7 RI RP1 RP41 RP42 RP43 RP44 R P47 RP48 RP49 RP50 RP53 R P54 RP55 RP56 RP57 RP58 R P59 P8 RP9 RP10 RP11 RP12 RP1 3 RP14 RP21 RP22 RP23 RP2 4 RP15 RP16 RP17 RP18 RP19 RP20 RP25 RP26 RP27 RP28 RP29 RP
20. 30 RP31 RP32 RP33 RP35 RP36 RP37 RP38 RP34 R1 R2 R3 R32 R4 R5 R10 R14 R21 R36 R6 R7 R8 R9 R15 R16 R17 R1 8 R11 R22 R12 R13 R19 R20 R34 R23 R24 R25 R26 R27 R35 R38 R28 R31 R37 R39 R40 R41 R42 R43 R44 R45 SW1 SW2 SW3 SW5 SW6 TP1 TP2 TP3 TP4 TP5 TP6 T P7 TP8 TP9 TP10 TP11 U1 019 U23 U24 U25 U26
21. 50 and the netmask is 255 255 255 0 The MAC address is chosen arbitrarily and is unique The commands to dBUG are set client 123 45 68 15 set server 123 45 67 1 set gateway 123 45 68 250 set netmask 255 255 255 0 set mac 00 CF 52 75 EB 01 The last step is to inform dBUG of the name and type of the file to download Prior to giving the name of the file keep in mind the following Most if not all TFTP servers will only permit access to files starting at a particular sub directory This is a security feature which prevents reading of arbitrary files by unknown persons For example SunOS uses the directory tftp boot as the default TFTP directory When specifying a filename to a SunOS TFTP server all filenames are relative to tftp boot As a result you normally will be required to copy the file to download into the directory used by the TFTP server A default filename for network downloads is maintained by dBUG To change the default filename use the command set filename filename When using the Ethernet network for download either S record COFF ELF or Image files may be downloaded A default filetype for network downloads is maintained by dBUG as well To change the default filetype use the command set filetype lt srecord coff elf image gt Continuing with the above example the compiler produces an executable COFF file a out This file is copied to the tftp_ boot directory on the server with the command
22. 5275EVB Introduction Connectors and User Components Table 1 13 J4 Pinout Continued Pin Signal Pin Signal 13 GND 14 FEC1 TXD3 15 FEC1 TXD2 16 FEC1_TXDO 17 FEC1 TXD1 18 19 FECO TXD2 20 FECO 1 21 FECO TXDO 22 23 FEC1 MDC 24 GND 25 GND 26 TOUTO 27 TOUT1 28 TOUT2 29 TOUT3 30 GND 31 GND 32 TINO 33 TIN1 34 TIN2 35 TIN3 36 OE 37 SDWE 38 SD CAS 39 SD RAS 40 SD CKE 41 TS 42 SD 0081 43 BS3 44 B D31 45 BS2 46 B D30 47 SD CS1 48 B D29 49 SD CSO 50 GND 51 B D27 52 B D28 53 B D25 54 B D26 55 B D23 56 B D24 57 SD VREF 58 SD VREF 59 GND 60 GND Table 1 14 J5 Pinout Pin Signal Pin Signal 1 T5V 2 1 5 3 2 5V 4 3 3V 5 GND 6 GND 7 B A11 8 B A5 9 B A10 10 B A4 M5275EVB User s Manual Connectors and User Components Table 1 14 J5 Pinout Continued Pin Signal Pin Signal 11 9 12 13 8 14 2 15 7 16 1 17 18 0 19 GND 20 GND 21 IRQ7 22 CS3 23 IRQ6 24 CS2 25 IRQ5 26 TSIZ1 27 IRQ4 28 TSIZO 29 IRQ3 30 GND 31 IRQ2 32 USB_SPEED 33 IRQ1 34 USB CLK 35 GND 36 GND 37 USB TN 38 USB RN 39 USB TP 40 USB RP 41 GND 42 GND 43 TA 44 USB TXEN 45 GND 46 USB RXD 47 EXTAL 48 USB SUSP 49 XTAL 50 GND 51 RSTOUT 52 EXT
23. AM and DM buses The DOR GRAM bus in onty tolerant 2 8 V 5 i H E i MOTOROLA Appendix B Schematics B 5 M5275EVB Schematics I 30 0 10 ud n il n uu ul Pm Tn x D Freescale ColdFire Microprocessor MCF5275 p O P p O o P 004 090 i i Xi 4 t 1 6 M5275EVB User s Manual in 2 2 2117 22 ____ 444 dim me Wa s 7111 4 E po in zin aa 77 a E Pu HOTE piem CHE SCH emn Appendix Schematics M5275EVB Schematics NOTE please place of resistor packs and wira am dose to UT posible Tracks between the MPU U8 and the ORAM U7 must be nent equal bagh possible M5275EVB Schematics x c M p 200 ag 10SS o0 d G ZSIOW 941 pesn eq WO ILON INV LHOdMWI sogeumps eg 02 0 pesn edo and x v 136534 p OSO 16d La uo pen en wt d d X Y 10 ON 9 god vod rs SORPO L TL 2060 ed jo Supe 0
24. D27 TOUT3 JP18 D28 TIN3 JP19 1 5 4 Other LEDs There are several other LED s on M5275EVB to signal to the user various board processor component state Below is a list of those LEDs and their functions Table 1 17 LED Functions LED Function D1 D4 Ethernet PHY functionality D8 3 3V Power Good D14 5V Power Good D18 2 5V Power Good D19 Abort IRQ7 asserted Chapter 1 M5275EVB Introduction 1 21 Connectors and User Components 1 22 Table 1 17 LED Functions Continued LED Function D20 Reset RESET asserted D21 D28 User LEDs See Table 1 16 M5275EVB User s Manual Chapter 2 Initialization and Setup 21 System Configuration The 5275 board requires the following items for minimum system configuration M5275EVB board provided Power supply 6V to 14V DC with minimum of 1 A 9V 2 7A supply provided RS232C compatible terminal or a PC with terminal emulation software 5232 Communication cable provided Figure 2 1 displays the minimum system configuration Chapter 2 Initialization and Setup 2 1 Installation and Setup RS 232 Terminal Or PC
25. Internal Register Display IRM irm module register data Internal Register Modify LR Ir lt width gt addr Loop Read LW lw lt width gt addr data Loop Write MD md lt width gt lt begin gt lt end gt Memory Display MM mm lt width gt addr lt data gt Memory Modify MMAP mmap Memory Map Display RD rd lt reg gt Register Display RM rm reg data Register Modify RESET reset Reset SD sd Stack Dump SET set lt option value gt Set Configurations SHOW show lt option gt Show Configurations STEP step Step Over SYMBOL symbol lt symb gt lt symb value lt r symb gt 5 gt Symbol Management TRACE trace lt num gt Trace Into UP up begin end filename Upload Memory to File VERSION version Show Version M5275EVB User s Manual Commands ASM Assembler Usage ASM lt lt addr gt stmt gt The ASM command is a primitive assembler The lt stmt gt is assembled and the resulting code placed at lt addr gt This command has an interactive and non interactive mode of operation The value for address lt addr gt may be an absolute address specified as a hexadecimal value or a symbol name The value for stmt must be valid assembler mnemonics for the CPU For the interactive mode the user enters the command and the optional lt addr gt If the address is not specified then the last address is used The memory contents at the address are disassembled and the user prompted for the new assembly If valid the new assembly i
26. MCF5275EVB User s Manual Devices Supported MCF5275 MCF5275L MCF5274 MCF5274L MCF5275EVBUM Rev 1 1 11 2008 N 2 freescale semicon ductor How to Reach Us USA Europe Locations Not Listed Freescale Semiconductor Literature Distribution Center P O Box 5405 Denver Colorado 80217 1 800 521 6274 or 480 768 2130 Japan Freescale Semiconductor Japan Ltd Technical Information Center 3 20 1 Minami Azabu Minato ku Tokyo 106 8573 Japan 81 3 3440 3569 Asia Pacific Freescale Semiconductor Hong Kong Ltd 2 Dai King Street Tai Po Industrial Estate Tai Po N T Hong Kong 852 26668334 Home Page www freescale com Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document Freescale Semiconductor reserves the right to make changes without further notice to any products herein Freescale Semiconductor makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Freescale Semiconductor assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages Typical
27. So u aes z ECL ae 84 B Input Power Ser ET Y ec a DX 2 CLI E t m m _ d gt CNET 5 00277177 u LT x S 5 Tu ie Tene 4 iat y g 2 s z mp Z 23524 UG Ei 2 P 10 PE 4B 1 1 1 B 8 diol E Figure 2 1 Minimum System Configuration 2 2 Installation and Setup The following sections describe all the steps needed to prepare the board for operation Please read the following sections carefully before using the board When you are preparing the board for the first time be sure to check that all jumpers are in the default locations Default jumper markings are documented on the master jumper table and printed on the underside of the board After the board 15 functional in its default mode the Ethernet 2 2 M5275EVB User s Manual Installation and Setup interface may be used by following the instructions provided in Appendix A Configuring dBUG for Network Downloads 2 2 1 Unpacking Unpack the computer board from its shipping box Save the box for storing or reshipping Refer to the followi
28. User Components 1 5 1 Four 60 way SMT connectors J3 J4 J5 and J6 provide access to all MCF5275 signals These connectors are ideal for interfacing to a custom daughter card or for simple probing of processor signals Below is a pinout description of these connectors Daughter Card Expansion Connectors Table 1 12 J3 Pinout Pin Signal Pin Signal 1 5V 2 1 5V 3 2 5V 4 3 3V 5 GND 6 GND 7 FEC1 RXDO 8 FEC1 RXD2 9 FEC1 RXD1 10 FEC1 RXDV 11 FECO RXER 12 FECO TXEN 13 FEC1 RXCLK 14 GND 15 FEC1 CRS 16 FECO RXD3 1 16 M5275EVB User s Manual Connectors and User Components Table 1 12 J3 Pinout Continued Pin Signal Pin Signal 17 FECO RXDV 18 FECO RXD2 19 FEC1_COL 20 FECO RXD1 21 FECO RXCLK 22 RXDO 23 FECO_CRS 24 FECO_COL 25 FECO_MDC 26 GND 27 28 RTSO 29 GND 30 CTSO 31 RTS1 32 TXDO 33 CTS1 34 RXDO 35 TXD1 36 GND 37 RXD1 38 CS7 39 GND 40 CS6 41 SCL 42 CS5 43 SDA 44 CS4 45 GND 46 GND 47 B A12 48 B A16 49 B A13 50 B A19 51 B A14 52 B A20 53 B A15 54 B A21 55 B A16 56 B A22 57 B A17 58 B A23 59 GND 60 GND Table 1 13 J4 Pinout Pin Signal Pin Signal 1 5V 2 1 5V 3 2 5V 4 3 3V 5 FEC1 RXD3 6 TXCLK 7 FEC1 RXER 8 FECO TXCLK 9 FEC1 TXER 10 FEC1 TXEN 11 FECO TXER 12 GND Chapter 1 M
29. a lever actuated connector Figure 2 3 J7 is a PC disk drive power connector Chapter 2 Initialization and Setup 2 3 Installation and Setup GND Figure 2 2 2 4mm Power Connector V 7 14V Figure 2 3 2 Lever Power Connector 2 2 4 Power Switch SW3 Slide switch SW3 can be used to isolate the power supply input from the EVB voltage regulators if required Moving the slide switch to the left towards connector P2 will turn the EVB ON Moving the slide switch to the right away from connector P2 will turn the EVB OFF 2 2 5 Power Status LEDs and Fuse When power is applied to the EVB green power LEDs adjacent to the voltage regulators show the presence of the supply voltage as follows Table 2 1 Power LEDs LED Function D14 Indicates that the 5V regulator is working correctly D8 Indicates that the 3 3V regulator is working correctly D18 Indicates that the 2 5V regulator is working correctly 2 4 M5275EVB User s Manual Installation and Setup If no LEDs are illuminated when the power is applied to the EVB it is possible that either power switch SW3 is in the OFF position or that the fuse F1 has blown This can occur if power is applied to the EVB in reverse bias where a protection diode ensures that the fuse blows rather than causing damage to the EVB Replace with a 20mm 5A fast blow fuse 2 2 06 Selecting Terminal Baud Rate The serial channel UARTO of the MCF5275 i
30. al port on the board All communications between dBUG and the user occur using either 9600 19200 38400 57600 and 115200 bps eight data bits no parity and one stop bit 8 N 1 with no flow control base This is the default radix for use in converting a number from its ASCII text representation to the internal quantity used by dBUG The default is hexadecimal base 16 and other choices are binary base 2 octal base 8 and decimal base 10 client This is the network Internet Protocol IP address of the board For network communications the client IP is required to be set to a unique value usually assigned by your local network administrator server This is the network IP address of the machine which contains files accessible via TFTP Your local network administrator will have this information and can assist in properly configuring a TFTP server if one does not exist gateway This is the network IP address of the gateway for your local subnetwork If the client IP address and server IP address are not on the same subnetwork then this option must be properly set Your local network administrator will have this information netmask This is the network address mask to determine if use of a gateway is required This field must be properly set Your local network administrator will have this information filename This is the default filename to be used for network download if no name is provided to the DN command filet
31. and external interrupt sources Interrupt controller 0 INTCO handles the following interrupt sources External interrupt signals IRQ 7 1 EPORT Software watchdog timer module Four DMA channels UART modules UARTO UART2 Chapter 1 M5275EVB Introduction 1 11 Support Logic 12 module QSPI module Timer modules Fast Ethernet Controller FECO Periodic Interrupt Timers PITO PIT3 Random Number Generator RNG Symmetric Key Hardware Accelerator SKHA Message Digest Hardware Accelerator MDHA USB module Interrupt controller 1 INTC1 handles these interrupt sources Fast Ethernet Controller FECI No interrupt sources should have the same level and priority as another interrupt within the same interrupt controller Programming two interrupt sources with the same level and priority can result in undefined operation The M5275EVB hardware uses IRQ7 to support the ABORT function using the ABORT switch SW4 This switch is used to force an interrupt level 7 mid point priority if the user s program execution should be aborted without issuing a RESET refer to Chapter 2 for more information on ABORT Refer to MCF5275 Reference Manual for more information about the interrupt controller 1 3 5 TA Generation The processor starts a bus cycle by asserting CSn with the other control signals The processor then waits for a transfer acknowledgment TA either internally using the chip select
32. ap for this board as configured by the dBUG monitor located in the external Flash bank The internal memory space of the MCF5275 is detailed further in the MCF5275 Reference Manual Chip Selects 0 and 1 can be changed by user software to map the external memory in different locations but the chip select configuration such as wait states and transfer acknowledge for each memory type should be maintained Chapter 1 M5275EVB Introduction 1 7 System Memory Table 1 2 shows the 5275 memory map Table 1 2 The M5275EVB Default Memory Map Address Range Chip Select Signal and Device 0x0000_0000 OxOOFF_FFFF SD_CSO 16 MByte SDRAM U7 0x2000_0000 0x2000_FFFF 64 KBytes Internal SRAM 0x3000_0000 0x300F_FFFF CS1 512 KByte External ASRAM not fitted U1 OxFFEO 0000 OxFFFF FFFF CS0 2 MBytes External Flash U11 OxFFCO 0000 OxFFFF_FFFF 4 MBytes External Flash U12 1 2 5 1 Reset Vector Mapping Asserting the reset input signal to the processor causes a reset exception The reset exception has the highest priority of any exception it provides for system initialization and recovery from catastrophic failure Reset also aborts any processing in progress when the reset input is recognized Processing cannot be recovered The reset exception places the processor in the supervisor mode by setting the S bit and disables tracing by clearing the T bit in the SR This exception also clears the M bit and sets the proces
33. assembled opcode If no address is provided to the DI command then the DI command uses the address of the last opcode that was disassembled The DI command is repeatable Examples To disassemble code that starts at 0x00040000 the command is di 40000 To disassemble code of the C function main the command is di main 3 14 M5275EVB User s Manual Commands DL Download Console Usage DL lt offset gt The DL command performs an S record download of data obtained from the console typically a serial port The value for offset is converted according to the user defined radix normally hexadecimal Please reference the ColdFire Microprocessor Family Programmer s Reference Manual for details on the S Record format If offset is provided then the destination address of each S record is adjusted by offset The DL command checks the destination download address for validity If the destination is an address outside the defined user space then an error message is displayed and downloading aborted If the S record file contains the entry point address then the program counter is set to reflect this address Examples To download an S record file through the serial port the command is dl To download an S record file through the serial port and add an offset to the destination address of 0x40 the command is dl 0x40 Chapter 3 Using the Monitor Debug Firmware 3 15 Commands DLDBUG Download dBUG Usage DL lt of
34. buffer The RM command updates the copy of the register in the buffer The actual value will not be written to the register until target code is executed Examples To change register DO to contain the value 0x1234 the command is rm DO 1234 3 30 M5275EVB User s Manual Commands RESER G Reset the Board Usage RESET The RESET command resets the board and dBUG to their initial power on states The RESET command executes the same sequence of code that occurs at power on If the RESET command fails to reset the board adequately cycle the power or press the reset button Examples To reset the board and clear the dBUG data structures the command is reset Chapter 3 Using the Monitor Debug Firmware 3 31 Commands SD Stack Dump Usage SD The SD command displays a back trace of stack frames This command is useful after some user code has executed that creates stack frames i e nested function calls After control is returned to dBUG the SD command will decode the stack frames and display a trace of the function calls 3 32 M5275EVB User s Manual Commands SET Set Configurations Usage SET lt option value gt The SET command allows the setting of user configurable options within dBUG With no arguments SET displays the options and values available The SHOW command displays the settings in the appropriate format The standard set of options is listed below baud This is the baud rate for the first seri
35. change these registers but caution must be exercised as changes may render dBUG inoperable A reference to SP stack pointer actually refers to general purpose address register seven 7 3 2 M5275EVB User s Manual Operational Procedure 3 2 Operational Procedure System power up and initial operation are described in detail in Chapter 2 Initialization and Setup This information is repeated here for convenience and to prevent possible damage 3 2 1 System Power up sure the power supply is connected properly prior to power up Make sure the terminal 15 connected to TERMINAL P3 connector Turn power on to the board Figure 3 1 shows the dBUG operational mode INITIALIZE COMMAND LINE INPUT FROM TERMINAL EXECUTE COMMAND FUNCTION DOES COMMAND LINE CAUSE USER PROGRAM EXECUTION JUMP TO USER PROGRAM AND BEGIN EXECUTION Figure 3 1 Flow Diagram of dBUG Operational Mode Chapter 3 Using the Monitor Debug Firmware 3 3 Operational Procedure 3 2 2 System Initialization After the EVB is powered up and initialized the terminal will display Hard Reset DRAM Size 16M Copyright 1995 2004 Motorola Inc All Rights Reserved ColdFire MCF5275 EVS Firmware 2 1 Build XXX XX 20XX XX XX XX Enter help for help dBUG Other means can be used to re initialize the M5275EVB firmware These means are discussed in the followin
36. ctions The MCF5275 Ethernet Controller requires an external interface adaptor and transceiver function to complete the interface to the ethernet media The MCF5275 Ethernet module also features an integrated fast 100baseT Ethernet media access controller MAC The Fast Ethernet controller FEC incorporates the following features Support for three different Ethernet physical interfaces 100 Mbps IEEE 802 3 Chapter 1 M5275EVB Introduction 1 13 Communication Ports 10 Mbps IEEE 802 3 10 Mbps 7 wire interface industry standard EEE 802 3 full duplex flow control Programmable max frame length supports IEEE 802 1 VLAN tags and priority Support for full duplex operation 200Mbps throughput with a minimum system clock rate of SOMHz Support for half duplex operation 100Mbps throughput with a minimum system clock rate of 25 MHz Retransmission from transmit FIFO following a collision no processor bus utilization Automatic internal flushing of the receive FIFO for runts collision fragments and address recognition rejects no processor bus utilization Address recognition Frames with broadcast address may be always accepted or always rejected Exact match for single 48 bit individual unicast address Hash 64 bit hash check of individual unicast addresses Hash 64 bit hash check of group multicast addresses Promiscuous mode For more details see the MCF5275 Refere
37. d If no lt width gt is specified the default of word sized data is used Memory display starts at the address begin If no beginning address is provided the MD command uses the last address that was displayed If no ending address is provided then MD will display memory up to an address that is 128 beyond the starting address This command first aligns the starting address for the data access size and then increments the address accordingly during the operation Thus for the duration of the operation this command performs properly aligned memory accesses Examples To display memory at address 0x00400000 the command is md 400000 To display memory in the data section defined by the symbols data start and data end the command is md data start To display a range of bytes from 0x00040000 to 0x00050000 the command is md b 40000 50000 To display a range of 32 bit values starting at 0x00040000 and ending at 0x00050000 1 40000 50000 3 26 M5275EVB User s Manual Commands MM Memory Modify Usage MM lt width gt addr lt data gt The MM command modifies memory at the address addr The value for addr may be an absolute address specified as a hexadecimal value or a symbol name Width specifies the size of the data that is modified If no lt width gt is specified the default of word sized data is used The value for data may be a symbol name or a number converted according to the user defined radix normally hexadeci
38. d as a hexadecimal value or a symbol name If no argument is provided the GO command begins executing instructions at the current program counter When the GO command is executed all user defined breakpoints are inserted into the target code and the context is switched to the target program Control is only regained when the target code encounters a breakpoint illegal instruction trap 15 exception or other exception which causes control to be handed back to dBUG The GO command is repeatable Examples To execute code at the current program counter the command is go To execute code at the C function main the command is go main To execute code at the address 0x00040000 the command is go 40000 Chapter 3 Using the Monitor Debug Firmware 3 19 Commands GT Execute To Usage GT addr The GT command inserts a temporary breakpoint at addr and then executes target code starting at the current program counter The value for addr may be an absolute address specified as a hexadecimal value or a symbol name When the GT command is executed all breakpoints are inserted into the target code and the context is switched to the target program Control is only regained when the target code encounters a breakpoint illegal instruction or other exception which causes control to be handed back to dBUG Examples To execute code up to the C function bench the command is gt bench 3 20 M5275EVB User s Manual Commands
39. e BDM Pott 2 8 Chapter 3 Using the Monitor Debug Firmware What IS d BU CE 3 1 Operational Procedure cose ptt 3 3 System Power osi n au 3 3 System Initialization 3 4 External RESET qe creto aves i 3 4 ABORE BULL ott deep eigo Odd a qaa 3 4 Software Reset Command OA B een 3 4 Command Ein D Saee 3 5 Commandsu oie cus xn He e Sando Medtech wn Up 3 5 TRAP IS BUDCUOTS ick sa tpe od NE IND UV RE 3 40 OUT COLA n aa manana 3 40 IN CHAR 3 41 CHAR PRESENT 3 41 3 42 Appendix A Configuring dBUG for Network Downloads Required Network Parameters n 1 Configuring dBUG Network Parameters essere 2 Troubleshooting Network Problems essere A 3 Appendix B Schematics M5275EVBS chemati6sSu 1 5275 User s Manual Freescale CONTENTS Paragraph Page Number Number Appendix C M5275EVB BOM 1 NIS2ISENB BOM 1 Freescale Contents 3 CONTENTS Paragraph Page Number aie Number 4 M5275EVB User s Manual Freescale Chapter 1 5275 Intr
40. e CPU a m DIV EMAC 64 Kbytes 16 Kbytes Y SRAM CACHE 8Kx16 x4 1Kx32 x4 PORTS GPIO To From Arbiter backdoor M lt gt DDR lt QSPI lt 12C_SDA lt 12C SCL UnTXD lt M gt UnRXD lt gt UnRTS lt _ gt UncTs lt gt lt gt DTnIN lt gt FECO lt gt FEC lt lt gt USB lt gt D 31 16 lt A 23 0 lt Ra lt gt CS 3 0 lt TA EN TRST lt gt TCLK lt gt TMS lt gt TDI lt gt TSIZ 1 0 lt gt TEA lt gt BS 3 2 PITO 2 Figure 1 2 MCF5275 Block Diagram Chapter 1 M5275EVB Introduction 1 5 System Memory 1 2 System Memory The following diagram shows the external memory implementation on the M5275EVB MCF5275 Buffers ASRAM Data 4 _ 1MByte Address gt Control DDR SDRAM a Tam 16MBytes Y Y m 2Mx 16 Expansion Connectors Figure 1 3 External Memory Scheme NOTE The external bus interface signals to the external ASRAM and Flash are buffered This is in order to separate the 2 5V bus to the DDR from the 3 3V bus to the Flash and ASRAM The external bus signals to the expansion connec
41. e MCF5275 microprocessor has a built in debug module referred to as BDM background debug module In order to use BDM simply connect the 26 pin debug connector on the board J1 to the P amp E BDM wiggler cable provided in the kit No special setting is needed Refer to the ColdFire amp User s Manual BDM Section for additional instructions NOTE BDM functionality and use is supported via third party developer software tools Details may be found on the CD ROM included in this kit 2 8 M5275EVB User s Manual Chapter 3 Using the Monitor Debug Firmware The M5275EVB single board computer has a resident firmware package that provides a self contained programming and operating environment The firmware named dBUG provides the user with monitor debug interface inline assembler and disassembly program download register and memory manipulation and I O control functions This chapter is a how to use description of the dBUG package including the user interface and command structure 3 1 What ls dBUG dBUG is a traditional ROM monitor debugger that offers a comfortable and intuitive command line interface that can be used to download and execute code It contains all the primary features needed in a debugger to create a useful debugging environment The firmware provides a self contained programming and operating environment dBUG interacts with the user through pre defined commands that are entered via the terminal These commands are de
42. e designed to provide reasonable protection against such interference Operation of this product in a residential area is likely to cause interference in which case the user at his her own expense will be required to correct the interference Paragraph Number 1 1 1 2 1 2 1 1 2 2 1 2 3 1 2 4 1 2 5 1 2 5 1 1 3 1 3 1 1 3 2 1 3 3 1 3 4 1 3 5 1 3 6 14 1 4 1 1 4 2 1 4 3 1 4 4 1 4 5 1 5 1 5 1 1 5 2 1 5 3 1 5 4 2 1 2 2 Freescale CONTENTS Page PUE Number Chapter 1 M5275EVB Introduction MCF5275 Microprocessor ee bun ue a 1 3 System Memo 1 6 External Flashi uie dto rete podia gts 1 6 SPeRAN eps a 1 7 ASRAM qasanan M 1 7 SRAM 1 7 275 1 7 R set V ctor Mapping oso etree 1 8 SUP POL odd 1 9 1 9 S o 1 11 Watehdog TIMET a oett ee i 1 11 Exception SOURCES 1 11 1 12 User s 1 13 Commu nicatign Ports ax nae 1 13 1 13 10 1001 Ethernet Ports ross Cuna 1 13 POT S 1 14 MER 1 15 Saa a h
43. e with a single device Micron MT46V16M16TG with a 16 bit data bus The device U7 is organized as 2Meg x 16 x 4 banks with a 16 bit data bus 1 2 3 ASRAM The EVB has a footprint for one 256K x 16 Asynchronous SRAM devices Cypress Semiconductor CY7C1041CV3310ZC These memory devices U1 may be populated by the user for benchmarking purposes 1 2 4 Internal SRAM The MCF5275 processor has 64 KBytes of internal SRAM memory which may be used as data or instruction memory This memory is mapped to 0 2000 0000 by the dBUG monitor but is not used by the dBUG monitor except during system initialization After system initialization is complete the internal memory is available to the user The memory is relocatable to any 64 KByte boundary within the processor s four gigabyte address space 1 2 5 M5275EVB Memory Map Signals to support the interface to external memory and peripheral devices are generated by the memory controller The MCF5275 supports 8 external chip selects CS 1 0 and SD CS0 are used with external memories on the EVB CSO also functions as the global boot chip select for booting out of external flash All chip selects CS 7 0 and SD_CS 1 0 are easily accessible to users via the daughter card expansion connectors Since the MCF5275 chip selects are fully programmable the memory banks may be located at any 64 KByte boundary within the processor s four gigabyte address space Table 1 2 shows the default memory m
44. eady Output shorted to pins 1 and 4 7 Request to Send Input 8 Clear to send Output 9 Not connected Figure 2 5 on the next page shows the jumper locations for the board 2 6 M5275EVB User s Manual Installation and Setup
45. end O0 To fill a block of memory starting at 0x00020000 and ending at 0x00040000 with data that increments by 2 for each width the command is bf 20000 40000 0 2 Chapter 3 Using the Monitor Debug Firmware 3 9 Commands BM Block Move Usage BM begin end dest The BM command moves a contiguous block of memory starting at address begin and stopping at address end to the new address dest The BM command copies memory as a series of bytes and does not alter the original block The values for addresses begin end and dest may be absolute addresses specified as hexadecimal values or symbol names If the destination address overlaps the block defined by begin and end an error message is produced and the command exits Examples To copy a block of memory starting at 0x00040000 and ending at 0x00080000 to the location 0x00200000 the command is bm 40000 80000 200000 To copy the target code s data section defined by the symbols data_start and data_end to 0x00200000 the command is bm data_start data_end 200000 NOTE Refer to upuser command for copying code data into Flash memory 3 10 M5275EVB User s Manual Commands BR Breakpoints Usage BR addr lt r gt lt c count gt lt t trigger gt The BR command inserts or removes breakpoints at address addr The value for addr may be an absolute address specified as a hexadecimal value or a symbol name Count and trigger are numbers converted according to the use
46. ending at 0x30000 is identical to the data starting at 0x80000 the command is bc 20000 80000 10000 3 8 M5275EVB User s Manual Commands BF Block Fill Usage BF lt width gt begin end data lt inc gt The BF command fills a contiguous block of memory starting at address begin stopping at address end with the value data lt Width gt modifies the size of the data that is written If no lt width gt is specified the default of word sized data is used The value for addresses begin and end may be an absolute address specified as a hexadecimal value or a symbol name The value for data may be a symbol name or a number converted according to the user defined radix normally hexadecimal The optional value lt inc gt can be used to increment or decrement the data value during the fill This command first aligns the starting address for the data access size and then increments the address accordingly during the operation Thus for the duration of the operation this command performs properly aligned memory accesses Examples To fill a memory block starting at 0x00020000 and ending at 0x00040000 with the value 0x 1234 the command is bf 20000 40000 1234 To fill a block of memory starting at 0x00020000 and ending at 0x0004000 with a byte value of OxAB the command is bf b 20000 40000 AB To zero out the BSS section of the target code defined by the symbols bss start and bss end the command is bf bss start bss
47. esses for the server and gateway are correct Also verify that a TFTP server is running on the server Appendix A Configuring dBUG for Network Downloads A 3 Troubleshooting Network Problems A 4 M5275EVB User s Manual Appendix Schematics B 1 M5275EVB Schematics Appendix B Schematics B 1 5275 Schematics PNE soOWTIS O T 510151591 91279 201616907 qj fiy me THING TIV peqotep ere tty TIV exImc9q1o repun S090 OMS 1949936 tty 2597 4080 CHE 600 37 0 03 9991 2000 TIY 3234535003 ASN eS ee stu tuo JO F198 peog uongen EA AAASLTSIN M5275EVB User s Manual B 2 5275 Schematics 1 11 gms i Hoth ii i Is 1 mi mecs I Bento MOTOROLA Appendix B Schematics B 3 M5275EVB Schematics B it ii 5 8 ASRAM 256K 1601 51208 device B 4 M5275EVB User s Manual 5275 Schematics Note the bus tran sci vens bu fars are dual supply 29V 4 this is to accomodate the shared DOR DR
48. et on the board 1 Power sense and reset switch circuit 020 and SW5 2 BDM reset from J1 3 External reset for the expansion connector J5 1 20 M5275EVB User s Manual Connectors and User Components An OR gate U21 is used to OR all three of the boards reset sources The output of the OR gate is connected directly to the MCF5275 s RESET pin dBUG configures the MCF5275 microprocessor internal resources during initialization The instruction cache is invalidated and disabled The Vector Base Register VBR contains an address which initially points to the Flash memory The contents of the exception table are written to address 0 0000 0000 in the SDRAM The Software Watchdog Timer is disabled the Bus Monitor is enabled and the internal timers are placed in a stop condition The interrupt controller registers are initialized with unique interrupt level priority pairs 1 5 3 User LEDs There are eight LEDs available to the user Each of these LEDs are pulled to 3 3V through a 10 ohm resistor and can be illuminated by driving a logic 0 on the appropriate signal to sink the current Each of these signals can be disconnected from it s associated LED with a jumper The table below details which MCF5275 signal is associated with which LED Table 1 16 User LEDs LED MCF5275 Signal Jumper to disconnect D21 TOUTO JP12 D22 TINO JP13 D23 TOUT1 JP14 D24 1 JP15 D25 TOUT2 JP16 D26 TIN2 JP17
49. executed the processor must attempt to execute the function bench a third time before returning control back To remove all breakpoints the command is br r Chapter 3 Using the Monitor Debug Firmware 3 11 Commands BS Block Search Usage BS lt width gt begin end data The BS command searches a contiguous block of memory starting at address begin stopping at address end for the value data lt Width gt modifies the size of the data that is compared during the search If no lt width gt is specified the default of word sized data is used The values for addresses begin and end may be absolute addresses specified as hexadecimal values or symbol names The value for data may be a symbol name or a number converted according to the user defined radix normally hexadecimal This command first aligns the starting address for the data access size and then increments the address accordingly during the operation Thus for the duration of the operation this command performs properly aligned memory accesses Examples To search for the 16 bit value 0x1234 in the memory block starting at 0x00040000 and ending at 0x00080000 bs 40000 80000 1234 This reads the 16 bit word located at 0x00040000 and compares it against the 16 bit value 0 1234 If no match is found then the address is incremented to 0x00040002 and the next 16 bit value is read and compared To search for the 32 bit value OXABCD in the memory block
50. filename on the server If neither of the c e i s or filename options are specified then a default filename and filetype will be used Default filename and filetype parameters are manipulated using the SET and SHOW commands The DN command checks the destination download address for validity If the destination is an address outside the defined user space then an error message is displayed and downloading aborted For ELF and COFF files which contain symbolic debug information the symbol tables are extracted from the file during download and used by dBUG Only global symbols are kept dBUG The dBUG symbol table is not cleared prior to downloading so it is the user s responsibility to clear the symbol table as necessary prior to downloading If an entry point address is specified in the S record COFF or ELF file the program counter is set accordingly Examples To download an S record file with the name srec out the command is dn s srec out To download COFF file with the name coff out the command is dn c coff out To download file using the default filetype with the name bench out the command is dn bench out To download a file using the default filename and filetype the command is dn Chapter 3 Using the Monitor Debug Firmware 3 17 Commands FL Flash Utilities Info Usage FL Erase Usage FL erase addr bytes Write Usage FL write dest src bytes The FL command provides a set of flash
51. fined in Section 3 4 Commands The user interface to dBUG is the command line A number of features have been implemented to achieve an easy and intuitive command line interface dBUG assumes that an 80x24 character dumb terminal is utilized to connect to the debugger For serial communications dBUG requires eight data bits no parity and one stop bit 8 N 1 with no flow control The default baud rate is 19200 but can be changed after power up The command line prompt is dBUG gt Any dBUG command may be entered from this prompt dBUG does not allow command lines to exceed 80 characters Wherever possible dBUG displays data in 80 columns or less dBUG echoes each character as it is typed eliminating the need for any local echo on the terminal side In general dBUG is not case sensitive Commands may be entered either in upper or lower case depending upon the user s equipment and preference Only symbol names require that the exact case be used Chapter 3 Using the Monitor Debug Firmware 3 1 What Is dBUG Most commands can be recognized by using an abbreviated name For instance entering h is the same as entering help Thus it is not necessary to type the entire command name The commands DI GO MD STEP and TRACE are used repeatedly when debugging dBUG recognizes this and allows for repeated execution of these commands with minimal typing After a command is entered simply press lt RETURN gt
52. fset gt The DLDBUG command is used to update the dBUG image in Flash It erases the Flash sectors containing dBUG image downloads a new dBUG image in S record format obtained from the console and programs the new dBUG image into Flash When the DLDBUG command is issued dBUG will prompt the user for verification before any actions are taken If the command is affirmed the Flash is erased and the user is prompted to begin sending the new dBUG S record file The file should be sent as a text file with no special transfer protocol Use this command with extreme caution as any error can render dBUG useless 3 16 M5275EVB User s Manual Commands DN Download Network Usage DN lt gt e lt 1 gt lt s gt lt offset gt lt filename gt The DN command downloads code from the network The DN command handle files which are either S record COFF ELF or Image formats The DN command uses Trivial File Transfer Protocol TFTP to transfer files from a network host In general the type of file to be downloaded and the name of the file must be specified to the DN command The c option indicates a COFF download the e option indicates an ELF download the 1 option indicates an Image download and the s indicates an S record download The o option works only in conjunction with the s option to indicate an optional offset for S record download The filename is passed directly to the TFTP server and therefore must be a valid
53. g paragraphs 3 2 2 1 External RESET Button External RESET SWS is the red button Depressing this button causes all processes to terminate resets the MCF5275 processor and board logic and restarts the dBUG firmware Pressing the RESET button would be the appropriate action if all else fails 3 2 2 2 ABORT Button ABORT SWA is the button located next to the RESET button The abort function causes an interrupt of the present processing a level 7 interrupt on MCF5275 and gives control to the dBUG firmware This action differs from RESET in that no processor register or memory contents are changed the processor and peripherals are not reset and dBUG is not restarted Also in response to depressing the ABORT button the contents of the MCF5275 core internal registers are displayed The abort function is most appropriate when software is being debugged The user can interrupt the processor without destroying the present state of the system This is accomplished by forcing a non maskable interrupt that will call dBUG routine that will save the current state of the registers to shadow registers in the monitor for display to the user The user will be returned to the ROM monitor prompt after exception handling 3 2 2 3 Software Reset Command dBUG does have a command that causes the dBUG to restart as if a hardware reset was invoked The command is RESET 3 4 M5275EVB User s Manual Command Line Usage 33 Command Line Usage T
54. h the use of a ROM resident debug monitor dBUG programmed into the external Flash device Operation allows the user to load code in the on board RAM execute applications set breakpoints and display or modify registers or memory No additional hardware or software is required for basic operation Specifications Chapter 1 M5275EVB Introduction 1 1 Motorola MCF5275 Microprocessor 166 MHz max core frequency External Clock source 25MHz Operating temperature 0 C to 70 C Power requirement 6 14V DC Typical Power output 5V 3 3V 2 5V and 1 5V regulated supplies Board Size 10 00 x 5 40 inches 8 layers Memory Devices 16 Mbyte DDR SDRAM 2 Mbyte 512K x 16 Page Mode Flash or 4 Mbyte 512K x 32 Page mode Flash 1 Mbyte ASRAM footprint only 64 Kbyte SRAM internal to MCF5275 device Peripherals FECO Ethernet port 10 100Mb s Dual Speed Fast Ethernet Transceiver with FECI Ethernet port 10 100Mb s Dual Speed Fast Ethernet Transceiver with USB 2 0 Full Speed Device UARTO RS 232 serial port for dBUG firmware UART auxiliary RS 232 serial port UART2 auxiliary RS 232 serial port interface QSPI interface BDM JTAG interface User Interface Reset logic switch debounced Boot logic selectable dip switch Abort IRQ7 logic switch debounced PLL Clocking options Oscillator Crystal or SMA for external clocking signals LEDs for power up indication general purpose I O and ti
55. he user interface to dBUG is the command line A number of features have been implemented to achieve an easy and intuitive command line interface dBUG assumes that an 80x24 ASCII character dumb terminal is used to connect to the debugger For serial communications dBUG requires eight data bits no parity and one stop bit 8 N 1 with no flow control The baud rate default is 19200 bps a speed commonly available from workstations personal computers and dedicated terminals The command line prompt is dBUG gt Any dBUG command may be entered from this prompt dBUG does not allow command lines to exceed 80 characters Wherever possible dBUG displays data in 80 columns or less dBUG echoes each character as it is typed eliminating the need for any local echo on the terminal side The lt Backspace gt and Delete keys are recognized as rub out keys for correcting typographical mistakes Command lines may be recalled using the Control U Control D and Control key sequences Control U and Control D cycle up and down through previous command lines Control R recalls and executes the last command line In general dBUG is not case sensitive Commands may be entered either in uppercase or lowercase depending upon the user s equipment and preference Only symbol names require that the exact case be used Most commands can be recognized by using an abbreviated name For instance entering h is the same as entering
56. help Thus it is not necessary to type the entire command name The commands DI GO MD STEP and TRACE are used repeatedly when debugging dBUG recognizes this and allows for repeated execution of these commands with minimal typing After a command is entered press the Return or Enter key to invoke the command again The command is executed as if no command line parameters were provided 34 Commands This section lists the commands that are available with all versions of dBUG Some board or CPU combinations may use additional commands not listed below Chapter 3 Using the Monitor Debug Firmware 3 5 Commands 3 6 Table 3 1 Command Summary Mnemonic Syntax Description ASM asm lt lt addr gt stmt Assemble BC bc addr1 addr2 length Block Compare BF bf width begin end data inc Block Fill BM bm begin end dest Block Move BR br addr lt gt lt count gt lt t trigger Breakpoint BS bs width begin end data Block Search DC dc value Data Convert DI di lt addr gt Disassemble DL dl lt offset gt Download Serial DLDBUG didbug Download dBUG DN dn c lt gt lt gt lt s lt o gt gt filename Download Network FL fl erase addr bytes Flash Utilities fl write dest src bytes GO go lt addr gt Execute GT gt addr Execute To HELP help lt command gt Help IRD ird lt module register gt
57. hernet downloads of ELF formatted files Examples To define the symbol main to have the value 0x00040000 the command is symbol main 40000 To remove the symbol junk from the table the command is symbol r junk To see how full the symbol table is the command is symbol s To display the symbol table the command is symbol 1 3 36 M5275EVB User s Manual Commands TRACE Trace Into Usage TRACE lt num gt The TRACE command allows single instruction execution If num is provided then num instructions are executed before control is handed back to dBUG The value for num is a decimal number The TRACE command sets bits in the processors supervisor registers to achieve single instruction execution and the target code executed Control returns to dBUG after a single instruction execution of the target code This command is repeatable Examples To trace one instruction at the program counter the command is tr To trace 20 instructions from the program counter the command is tr 20 Chapter 3 Using the Monitor Debug Firmware 3 37 Commands UP Upload Data Usage UP begin end filename The UP command uploads the data from a memory region specified by begin and end to a file specified by filename over the network The file created contains the raw binary data from the specified memory region The UP command uses the Trivial File Transfer Protocol TFTP to transfer files to a network host
58. icroprocessor The MCF5275 communicates with external devices over a 16 bit wide data bus D 31 16 The MCF5275 can address a 32 bit address range However only 24 bits are available on the external bus A 23 0 There are internally generated chip selects to allow the full 32 bit address range to be selected There are regions that can be decoded to allow supervisor Three universal asynchronous receiver transmitters UARTS with DMA support Inter integrated circuit bus controller Queued serial peripheral interface QSPI module Hardware cryptography accelerator optional Random number generator DES 3DES AES block cipher engine MDS SHA 1 HMAC accelerator Four channel 32 bit direct memory access DMA controller Four channel 32 bit input capture output compare timers with optional DMA support Four channel 16 bit periodic interrupt timers PITs Programmable software watchdog timer Interrupt controller capable of handling up to 126 interrupt sources Clock module with Phase Locked Loop PLL External bus interface module including a DDR SDRAM controller 32 bit non multiplexed bus with up to 8 chip select signals that support page mode Flash memories user instruction and data each to have the 32 bit address range All the processor s signals are available via daughter card expansion connectors Refer to the schematic Appendix B for their pin assignments The MCF5275 processor has the capability to suppor
59. irmware does NOT enable the watchdog timer on the MCF5275 1 3 4 Exception Sources The ColdFire family of processors can receive seven levels of interrupt priorities When the processor receives an interrupt which has a higher priority than the current interrupt mask in the status register it will perform an interrupt acknowledge cycle at the end of the current instruction cycle The MCF5275 s interrupt controller will respond to the interrupt acknowledge cycle with the vector number for the interrupt refer to the MCF5275 Reference Manual for more information on the interrupt controller function The vector number is used as an index into the exception vector table that contains the interrupt service routine locations This table is stored in the board s Flash memory The address of the table location is stored in the VBR The dBUG ROM monitor writes a copy of the exception table into the RAM starting at 0x0000 0000 To set an exception vector the user places the address of the exception handler in the appropriate vector in the vector table located at 0x0000 0000 and then points the VBR to 0x0000 0000 The MCF5275 microprocessor has seven external interrupt request lines IRQ 7 1 Each external interrupt can be configured individually as a level sensitive interrupt pin or an edge detecting interrupt pin rising edge falling edge or both Two on chip interrupt controllers are capable of providing unique vectors for all of the on chip
60. is displayed Examples To obtain a listing of all the commands available within dBUG the command is help To obtain help on the breakpoint command the command is help br Chapter 3 Using the Monitor Debug Firmware 3 23 Commands LR Loop Read Usage LR lt width gt addr The LR command continually reads the data at addr until a key is pressed The optional lt width gt specifies the size of the data to be read If no lt width gt is specified the command defaults to reading word sized data Example To continually read the longword data from address 0x20000 the command is 1 1 20000 3 24 M5275EVB User s Manual Commands LW Loop Write Usage LW lt width gt addr data The LW command continually writes data to addr The optional width specifies the size of the access to memory The default access size is a word Examples To continually write the longword data 0x12345678 to address 0x20000 the command is 1 1 20000 12345678 Note that the following command writes 0x78 into memory lw b 20000 12345678 Chapter 3 Using the Monitor Debug Firmware 3 25 Commands MD Memory Display Usage MD lt width gt lt begin gt lt end gt The MD command displays a contiguous block of memory starting at address begin and stopping at address end The values for addresses begin and end may be absolute addresses specified as hexadecimal values or symbol names Width modifies the size of the data that is displaye
61. mal Ifa value for data is provided then the MM command immediately sets the contents of addr to data If no value for data is provided then the MM command enters into a loop The loop obtains a value for data sets the contents of the current address to data increments the address according to the data size and repeats The loop terminates when an invalid entry for data value is entered 1 a period This command first aligns the starting address for the data access size and then increments the address accordingly during the operation Thus for the duration of the operation this command performs properly aligned memory accesses Examples To set the byte at location 0x00010000 to be OxFF the command is mm b 10000 To interactively modify memory beginning at 0x00010000 the command is mm 10000 Chapter 3 Using the Monitor Debug Firmware 3 27 Commands MMAP Usage mmap This command displays the memory map information for the M5275EVB evaluation board The information displayed includes the type of memory the start and end address of the memory and the port size of the memory The display also includes information on how the Chip selects used on the board and which regions of memory are reserved for dBUG use protected Memory Map Display Here is an example of the output from this command Do we want to update Type SDRAM SRAM Int ASRAM Ext IPSBAR Flash Ext Protected dBUG Code
62. mer output signals Expansion connectors for daughter card Software Resident firmware package that provides a self contained programming and operating environment dBUG M5275EVB User s Manual 5275 Microprocessor 2x RJ 45 2x Ethernet 4 gt 26 pin Debug Header Connector Transceiver ColdFire MCF5275 RS 232 DB 9 25 MHz Transceivers 3 Connectors 3 Osc JSB USB PHY 2 S 9 Connector 5 9 5 5 S 2 a 4 DDR SDRAM gt 16 MBytes gt gt Flash le gt 2 4 MBytes m gt ASRAM gt 1 Y w 4 60 pin Daughter Card Expansion Connectors Figure 1 1 M5275EVB block diagram 1 4 MCF5275 Microprocessor The microprocessor used on the EVB is the highly integrated Motorola MCF5275 32 bit ColdFire variable length RISC processor The MCF5275 implements a ColdFire Version 2 core with a maximum core frequency of 166MHz and external bus speed of 83MHz Features of the MCF5275 include V2 ColdFire core with enhanced multiply accumulate unit EMAC providing 159 Dhrystone 2 1 MIPS 166MHz e 64 KBytes of internal SRAM External bus speed of one half the CPU operating frequency 83MHz bus 166MHz core Two 10 100 BaseT Fast Ethernet Controllers FECs 16 Kbytes of configurable instruction data cache Chapter 1 M5275EVB Introduction 1 3 5275 M
63. mper is set between pins 2 and 3 the board boots from the top half of the Flash OXFFFO 0000 0000 Procedure 1 Compile and link as though the code was to be placed at the base of the flash 2 Set up the jumper JP4 JP5 for 012 for Normal operation connected to pin 2 3 Download to SDRAM If using serial or ethernet start the ROM Monitor first If using BDM via a wiggler cable download first then start ROM Monitor by pointing the program counter to OxFFEO_0400 OxFFCO 0400 and run 4 In the ROM Monitor execute write dest src lt bytes gt command 5 Move jumper JP4 JP5 for U12 to pin 2 connected to pin 3 and push the reset button SW5 User code should now be running from reset POR 1 4 Communication Ports The EVB provides external communication interfaces for three UART serial ports QSPI port two 10 100T ethernet ports and BDM JTAG port 1 4 1 UARTO UART1 UART2 Ports The MCF5275 device has three built in UARTS each with its own software programmable baud rate generator These UART interfaces are brought out to RS 232 transceivers One channel is the ROM Monitor to Terminal output and the other two are available to the user Refer to the MCF5275 Reference Manual for programming the UARTS and their register maps 1 4 2 10 100T Ethernet Ports The MCF5275 device performs the full set of IEEE 802 3 Ethernet CSMA CD media access control and channel interface fun
64. n 1 9 Support Logic Table 1 7 SW6 7 5 Chip Mode RCON SW6 5 SW6 6 SW6 7 SW6 1 Mode ON ON ON ON Master mode ON ON OFF ON Reserved ON OFF ON ON Reserved ON OFF OFF ON Reserved OFF X X ON Reserved X X X OFF Master mode Table 1 8 SW6 9 8 Boot Device SW6 8 SW6 9 ewe Boot Device ON ON ON External 16 bit ON OFF ON Reserved OFF ON ON Reserved OFF OFF ON External 8 bit X X OFF External 16 bit Table 1 9 SW6 10 Bus Drive Strength SW6 10 Drive Strength ON ON Full Bus Drive OFF ON Partial Bus Drive X OFF Full Bus Drive Table 1 10 SW6 12 11 Address Chip Select Mode SW6 11 SW6 12 Mode ON ON ON PADDR 7 5 A 23 21 ON OFF ON PADDR7 CS6 PADDR 6 5 A 22 21 OFF ON ON PADDR 7 6 CS 6 5 PADDR5 A21 OFF OFF ON PADDR 7 5 CS 6 4 x x OFF PADDR 7 5 A 23 21 M5275EVB User s Manual Support Logic 1 3 2 Clock Circuitry The are three options to provide the clock to the CPU Table 1 11 shows how these options can be configured by setting JP9 and JP10 Table 1 11 M5275EVB Clock Source Selection JP9 JP10 Clock Selection 1 2 1 2 25MHz Oscillator default setting 2 3 1 2 25MHz External Clock X 2 3 25MHz Crystal The 25MHz oscillator U19 also feeds the Ethernet transceiver chips U8 and U9 1 3 3 Watchdog Timer The dBUG F
65. nce manual The on board ROM Monitor is programmed to allow a user to download files from a network to memory in different formats The current compiler formats supported are S Record COFF ELF or Image 1 4 3 BDM JTAG Port The MCF5275 processor has a Background Debug Mode BDM port which supports Real Time Trace and Real Time Debug The signals which are necessary for debug are available at connector J1 Figure 1 4 shows the J1 Connector pin assignment 1 14 M5275EVB User s Manual Communication Ports DEVELOPER RESERVED 1 5 GND 3 DSCLK GND 5 6 TCLK only for JTAG RESET DSI or Pad Voltage DSO GND 11 12 PST3 PST2 T T PSTI PSTO 15 16 DDATA3 DDATA2 ig lt DDATA DDATAO J3 19 20 lt GND MOTOROLA RESERVED 9 5 22 MOTOROLA RESERVED GND 23 34 lt Core Voltage s 26 Figure 1 4 J1 BDM Connector assignment The BDM connector can also be used to interface to JTAG signals On reset the JTAG_EN signal selects between multiplexed debug module and JTAG signals See Table 1 5 1 4 4 12 The MCF5275 s module includes following features Compatibility with the 12 bus standard version 2 1 Multi master operation Software programmable for one of 50 different clock frequencies Software selectable acknowledge bit Interrupt driven byte by byte data transfer Arbitration lost interrupt with automatic mode s
66. ne instruction beyond the current program counter and then executes the target code The STEP command can be used to step over BSR and JSR instructions The STEP command will work for other instructions as well but note that if the STEP command is used with an instruction that will not return i e BRA then the temporary breakpoint may never be encountered and dBUG may never regain control Examples To pass over a subroutine call the command is step Chapter 3 Using the Monitor Debug Firmware 3 35 Commands SYMBOL Symbol Name Management Usage SYMBOL lt symb gt lt symb value lt r symb gt lt c l s gt The SYMBOL command adds or removes symbol names from the symbol table If only a symbol name is provided to the SYMBOL command then the symbol table is searched for a match on the symbol name and its information displayed The a option adds a symbol name and its value into the symbol table The r option removes a symbol name from the table The c option clears the entire symbol table the option lists the contents of the symbol table and the s option displays usage information for the symbol table Symbol names contained in the symbol table are truncated to 31 characters Any symbol table lookups either by the SYMBOL command or by the disassembler will only use the first 31 characters Symbol names are case sensitive Symbols can also be added to the symbol table via in line assembly labels and et
67. ng list and verify that all the items are present You should have received 5275 Single Board Computer 5275 User s Manual this document One RS 232 communication cable One DB25 parallel port cable One BDM Background Debug Mode wiggler cable Oneethernet crossover cable EVB power supply kit e MCFS5275RM ColdFire Integrated Microprocessor Reference Manual ColdFire Programmers Reference Manual Aselection of Third Party Developer Tools and Literature NOTE Avoid touching the MOS devices Static discharge can and will damage these devices Once you have verified that all the items are present remove the board from its protective jacket and anti static bag Check the board for any visible damage Ensure that there are no broken damaged or missing parts If you have not received all the items listed above or they are damaged please refer to the enclosed warranty card for instructions 2 2 2 Preparing the Board for Use The board as shipped is ready to be connected to a terminal and power supply without any need for modification 2 2 3 Providing Power to the Board The EVB requires an external supply voltage of 6 14V DC minimum 1 A This is regulated on board using three switching voltage regulators to provide the necessary EVB voltages of 5V 3 3V 2 5V and 1 5V There are three different power supply input connectors on the EVB Connector P1 is a 2 1mm power jack Figure 2 2 P2 is
68. oduction This document details setup and configuration of ColdFire M5275EVB evaluation board hereafter referred to as the EVB The EVB is intended to provide a mechanism for easy customer evaluation of the MCF5274 MCF574L 5275 and MCF5275L ColdFire microprocessors and to facilitate hardware and software development The EVB can be used by software and hardware developers to test programs tools or circuits without having to develop a complete microprocessor system themselves All special features of the MCF5274 L and MCF5275 L are supported The heart of the evaluation board is the MCF5275 The MCF5275L and MCF5274 L have a subset of the MCF5275 specification and can therefore be fully emulated using the MCF5275 device Table 1 1 5274 75 Product Family below details the two devices Table 1 1 MCF5274 75 Product Family Part Number Package FEC CRYPTO Max Core Bus speed MCF5274LVM133 196 MAPBGA x1 No 133 66 MHz MCF5274LVM166 196 MAPBGA x1 No 166 83 MHz MCF5274VM133 256 MAPBGA x2 No 133 66 MHz MCF5274VM166 256 MAPBGA x2 No 166 83 MHz MCF5275LCVM133 196 MAPBGA x1 Yes 133 66 MHz MCF5275LCVM166 196 MAPBGA x1 Yes 166 83 MHz MCF5275CVM133 256 MAPBGA x2 Yes 133 66 MHz MCF5275CVM166 256 MAPBGA x2 Yes 166 83 MHz All of the devices in the same package are pin compatible The EVB provides for low cost software testing wit
69. onse yes no C example int board char present void asm move 1 0x0014 d0 select the function asm trap 15 make the call Chapter 3 Using the Monitor Debug Firmware 3 41 TRAP 15 Functions 3 5 4 EXIT dBUG This function function code 0x0000 transfers the control back to the dBUG by terminating the user code The register context are preserved Assembly example move l 0000 d0 Select the function trap 15 Make the call exit to dBUG C example void board exit to dbug void asm move 1 0x0000 d0 select the function asm trap 15 exit and transfer to dBUG 3 42 M5275EVB User s Manual Appendix Configuring dBUG for Network Downloads The dBUG module has the ability to perform downloads over an Ethernet network using the Trivial File Transfer Protocol TFTP NOTE this requires a TFTP server to be running on the host attached to the board Prior to using this feature several parameters are required for network downloads to occur The information that is required and the steps for configuring dBUG are described below A 1 Required Network Parameters For performing network downloads dBUG needs 6 parameters 4 are network related and 2 are download related The parameters are listed below with the dBUG designation following in parenthesis computers connected to an Ethernet network running the IP protocol need 3 network specific
70. parameters These parameters are Internet Protocol IP address for the computer client IP IP address of the Gateway for non local traffic gateway IP and Network netmask for flagging traffic as local or non local netmask In addition the dBUG network download command requires the following three parameters IP address of the TFTP server server IP Name of the file to download filename Type of the file to download filetype of S record COFF ELF or Image Your local system administrator can assign a unique IP address for the board and also provide you the IP addresses of the gateway netmask and TFTP server Fill out the lines below with this information Client IP IP address of the board Server IP IP address of the TFTP server Gateway IP address of the gateway Netmask __ Network netmask Appendix A Configuring dBUG for Network Downloads A 1 Configuring dBUG Network Parameters A 2 Configuring dBUG Network Parameters Once the network parameters have been obtained the dBUG ROM Monitor must be configured The following commands are used to configure the network parameters set client client IP set server server IP set gateway gateway IP set netmask lt netmask gt set mac lt addr gt For example the TFTP server is named santafe and has IP address 123 45 67 1 The board is assigned the IP address of 123 45 68 15 The gateway IP address is 123 45 68 2
71. piler produces LINK UNLK pair for this routine then use the following code which takes this into account if 1 LINK a6 0 produced compiler asm move 18 a6 d1 put anto dl asm move 140x0013 4d0 select the function asm 15 make the call UNLK produced by compiler else If C compiler does not produce a LINK UNLK pair the use the following code asm move l4 sp d1 put ch into 91 asm move 140x0013 40 select the function 3 40 M5275EVB User s Manual TRAP 15 Functions asm trap 15 make the call fendif 3 5 2 IN CHAR This function function code 0x0010 returns an input character from terminal to the caller The returned character is in D1 Assembly example move l 50010 40 Select the function trap 15 Make the call the input character is in dl C example int board in char void asm move 1 0x0010 d0 select the function asm trap 15 make the call asm move ld1 d0 put the character in dO 3 5 3 CHAR PRESENT This function function code 0x0014 checks if an input character is present to receive A value of zero is returned in DO when no character is present A non zero value in DO means a character is present Assembly example move l 0014 d0 Select the function trap 15 Make the call 90 contains the resp
72. r defined radix normally hexadecimal If no argument is provided to the BR command a listing of all defined breakpoints is displayed The r option to the BR command removes a breakpoint defined at address addr If no address is specified in conjunction with the r option then all breakpoints are removed Each time a breakpoint is encountered during the execution of target code its count value is incremented by one By default the initial count value for a breakpoint is zero but the c option allows setting the initial count for the breakpoint Each time a breakpoint is encountered during the execution of target code the count value is compared against the trigger value If the count value is equal to or greater than the trigger value a breakpoint is encountered and control returned to dBUG By default the initial trigger value for a breakpoint is one but the t option allows setting the initial trigger for the breakpoint If no address is specified in conjunction with the c or t options then all breakpoints are initialized to the values specified by the c or t option Examples To set a breakpoint at the C function main symbol main see symbol command the command is br _main When the target code is executed and the processor reaches main control will be returned to dBUG To set a breakpoint at the C function bench and set its trigger value to 3 the command is br bench t 3 When the target code is
73. s auto acknowledge AA mode or externally before it can complete the bus cycle is used to indicate the completion of the bus cycle It also allows devices with different access times to communicate with the processor properly asynchronously The MCF5275 processor as part of the chip select logic has a built in mechanism to generate TA for all external devices which do not have the capability to generate this signal For example the Flash cannot generate a TA signal The chip select logic is programmed by the ROM Monitor to generate TA internally after a pre programmed number of wait states In order to support future expansion of the M5275EVB the TA input of the processor is also connected to the expansion connectors U9 This allows any expansion boards to assert this line to provide a TA signal to the processor On the expansion boards this signal should be generated through an open collector buffer with no pull up resistor a pull up resistor is included on this board All TA signals from expansion boards should be connected to this line 1 12 M5275EVB User s Manual Communication Ports 1 3 6 User s Program JP4 on the 2 MByte Flash U11 JP5 if using the 4 MByte Flash U12 allows users to test code from boot POR without having to overwrite the dBUG ROM Monitor When the jumper is set between pins 1 and 2 the behavior of the system is normal dBUG boots and then runs 0000 OxFFCO 0000 When the ju
74. s placed into memory and the address incremented accordingly If the assembly is not valid then memory is not modified and an error message produced In either case memory is disassembled and the process repeats The user may press the lt Enter gt or lt Return gt key to accept the current memory contents and skip to the next instruction or a enter period to quit the interactive mode In the non interactive mode the user specifies the address and the assembly statement on the command line The statement is then assembled and if valid placed into memory otherwise an error message is produced Examples To place a NOP instruction at address 0x00010000 the command is asm 10000 nop To interactively assemble memory at address 0x00400000 the command is asm 400000 Chapter 3 Using the Monitor Debug Firmware 3 7 Commands BC Block Compare Usage BC addr1 addr2 length The BC command compares two contiguous blocks of memory on a byte by byte basis The first block starts at address addrl and the second starts at address addr2 both of length bytes If the blocks are not identical the address of the first mismatch is displayed The value for addresses addrl and addr2 may be an absolute address specified as a hexadecimal value or a symbol name The value for length may be a symbol name or a number converted according to the user defined radix hexadecimal by default Example To verify that the data starting at 0x20000 and
75. s used for serial communication and has a built in timer This timer is used by the dBUG ROM monitor to generate the baud rate used to communicate with a serial terminal A number of baud rates can be programmed On power up or manual RESET the dBUG ROM monitor firmware configures the channel for 19200 baud Once the dBUG ROM monitor is running a SET command may be issued to select any baud rate supported by the ROM monitor 2 2 7 The Terminal Character Format The character format of the communication channel is fixed at power up or RESET The default character format is 8 bits per character no parity and one stop bit with no flow control It is necessary to ensure that the terminal or PC is set to this format 2 2 8 Connecting the Terminal The board 15 now ready to be connected to a PC terminal Use the RS 232 serial cable to connect the PC terminal to the M5275EVB PCB The cable has a 9 pin female D sub terminal connector at one end and a 9 pin male D sub connector at the other end Connect the 9 pin male connector to connector P3 on the M5275EVB board Connect the 9 pin female connector to one of the available serial communication channels normally referred to as COMI COM2 etc on the PC running terminal emulation software The connector on the PC terminal may be either male 25 pin or 9 pin It may be necessary to obtain a 25pin to Opin adapter to make this connection If an adapter is required refer to Figure 2 4 2 2 9 Using a Personal
76. scale semiconductor Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc All other product or service names are the property of their respective owners Freescale Semiconductor Inc 2004 MCF5275EVBUM Rev 1 0 10 2004 EMC Information M5275EVB This product as shipped from the factory with associated power supplies and cables has been tested and meets with requirements of EN5022 and EN 50082 1 1998 as a CLASS A product This product is designed and intended for use as a development platform for hardware or software in an educational or professional laboratory In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Anti static precautions must be adhered to when using this product Attaching additional cables or wiring to this product or modifying the products operation from the factory default as shipped may effect its performance and also cause interference with other appa ratus in the immediate vicinity If such interference is detected suitable mitigating measures should be taken WARNING This board generates uses and can radiate radio frequency energy and if not installed properly may cause interference to radio communications As temporarily permitted by regulation it has not been tested for compliance with the limits for class a computing devices pursuant to Subpart J of Part 15 of FCC rules which ar
77. sor s interrupt priority mask in the SR to the highest level level 7 Next the VBR is initialized to zero 0 0000 0000 The control registers specifying the operation of any memories e g cache and or RAM modules connected directly to the processor are disabled Once the processor is granted the bus it then performs two longword read bus cycles The first longword at address 0 is loaded into the stack pointer and the second longword at address 4 is loaded into the program counter After the initial instruction is fetched from memory program execution begins at the address in the PC If an access error or address error occurs before the first instruction is executed the processor enters the fault on fault halted state The port size of the memory that the MCF5275 accesses at address 0x0000_0000 is determined at reset by sampling D 20 19 Table 1 3 D 20 19 External Boot Chip Select Configuration D 20 19 Boot Device Data Port Size 00 Reserved 01 External 16 bit 10 External 8 bit 11 Reserved 1 8 M5275EVB User s Manual Support Logic 1 3 Support Logic 1 3 1 Reset Logic Reset occurs during power on or via assertion of the signal RESET which causes the MCF5275 to reset RESET is triggered by the reset switch SW5 which resets the entire processor system The dBUG Firmware configures the MCF5275 microprocessor internal resources during initialization The contents of the exception vector table
78. sta r W 941 ons Leza 5 DUO quar a y 5912 Sosa rs L 0912 1919 1 esau 3 a Z T Sz 2 7 Figure 2 5 Jumper Locations Chapter 2 Initialization and Setup System Power up and Initial Operation 2 3 System Power up and Initial Operation When all of the cables are connected to the board power may be applied The dBUG ROM Monitor initializes the board and then displays a power up message on the terminal which includes the amount of memory present on the board Hard Reset DRAM Size 16M Copyright 1995 2004 Motorola Inc All Rights Reserved ColdFire MCF5275 EVS Firmware v2e la xx Build XXX on XX 20XX XX XX XX Enter help for help dBUG gt The board is now ready for operation under the control of the debugger as described in Chapter 3 Using the Monitor Debug Firmware If you do not get the above response perform the following checks 1 Make sure that the power supply is properly configured for polarity voltage level and current capability 1A and is connected to the board 2 Check that the terminal and board are set for the same character format and baud 3 Press the RESET button to insure that the board has been initialized properly If you still are not receiving the proper response your board may have been damaged Please refer to the enclosed warranty card for return instructions 2 4 Using The BDM Port Th
79. starting at 0x00040000 and ending at 0x00080000 bs 1 40000 80000 ABCD This reads the 32 bit word located at 0x00040000 and compares it against the 32 bit value 0 0000 If no match is found then the address is incremented to 0x00040004 and the next 32 bit value is read and compared 3 12 M5275EVB User s Manual Commands DC Data Conversion Usage DC data The DC command displays the hexadecimal or decimal value data in hexadecimal binary and decimal notation The value for data may be a symbol name or an absolute value If an absolute value passed into the DC command is prefixed by then data is interpreted as a hexadecimal value Otherwise data is interpreted as a decimal value All values are treated as 32 bit quantities Examples To display the decimal and binary equivalent of 0x1234 the command is de 0x1234 To display the hexadecimal and binary equivalent of 1234 the command is dc 1234 Chapter 3 Using the Monitor Debug Firmware 3 13 Commands DI Disassemble Usage DI lt addr gt The DI command disassembles target code pointed to by addr The value for addr may be an absolute address specified as a hexadecimal value or a symbol name Wherever possible the disassembler will use information from the symbol table to produce a more meaningful disassembly This is especially useful for branch target addresses and subroutine calls The DI command attempts to track the address of the last dis
80. t both BDM and JTAG These ports are multiplexed and together In BDM mode it can be used with third party tools to allow the user to download code to the board In JTAG mode it can be used for boundary scan operations The board is configured to boot up in the normal BDM mode of operation The BDM signals are available at the port labeled BDM Figure 1 2 shows the MCF5275 processor block diagram M5275EVB User s Manual gt To From SRAM backdoor Y Arbiter r4 INTCO INTC1 To From PADI FAST ETHERNET CONTROLLER 5275 Microprocessor CHIP SELECTS To From PADI lt gt FAST ETHERNET CONTROLLER FEC1 QSPI To From lt gt SDRAMC PADI Pin Muxing PADI 4 1 0 DACK 3 0 Y JTAG EN To From PADI To From PADI lt gt 4 PWM Watchdog Timer RNGA MDHA Cryptography Modules USB 2 0 Full Speed To From PADI PLL CLKGEN To From INTC Port 0 1 3 A A s V2 ColdFir
81. tors are buffered to 3 3V to provide a 3 3V interface to the user 1 2 1 External Flash The EVB is fitted with a single 1M x 16 page mode Flash memory U11 giving a total memory space of 2 MBytes Alternatively a footprint is available for the EVB user to upgrade this device to a 2M x 16 page mode Flash memory U12 doubling the memory size to 4 MBytes Either U11 OR U12 should be fitted on the board both devices cannot be populated at the same time Refer to the specific device data sheet and sample software provided for information on configuring the Flash memory Users should note that the debug monitor firmware is installed on this flash device Development tools or user application programs may erase or corrupt the debug monitor If the debug monitor becomes corrupted and it s operation is desired the firmware must be reprogrammed into the flash by using a development tool through the BDM port Users 1 6 M5275EVB User s Manual System Memory should use caution to avoid this situation The M5275EVB dBUG debugger monitor firmware is programmed into the lower sectors of Flash 0000 to _ for 2 MBytes of Flash or OXFFCO 0000 to FFFF for 4 MBytes of Flash When UII is fitted on the EVB jumper 3 provides an alternative hardware mechanism for write protection This feature is not available when U10 is populated 1 2 2 SDRAM The EVB is populated with 16 MBytes of SDRAM This is don
82. witching from master to slave Calling address identification interrupt Start and stop signal generation and detection Repeated start signal generation Acknowledge bit generation and detection Bus busy detection Please see the MCF5275 Reference Manual for more detail The 2 signals from the MCF5275 device are brought out to a connector J10 Chapter 1 M5275EVB Introduction 1 15 Connectors and User Components 145 QSPI The QSPI Queued Serial Peripheral Interface module provides a serial peripheral interface with queued transfer capability It will support up to 16 stacked transfers at one time minimizing CPU intervention between transfers Transfer RAMs in the QSPI are indirectly accessible using address and data registers Functionality is very similar but not identical to the QSPI portion of the QSM Queued Serial Module implemented in the MC68332 processor Programmable queue to support up to 16 transfers without user intervention Supports transfer sizes of 8 to 16 bits in 1 bit increments Four peripheral chip select lines for control of up to 15 devices Baud rates from 147 1 Kbps to 18 75 Mbps at 75MHz Programmable delays before and after transfers Programmable QSPI clock phase and polarity Supports wrap around mode for continuous transfers Please see the MCF5275 Reference Manual for more detail The QSPI signals from the MCF5275 device are brought out to a header J9 1 5 Connectors and
83. ype This is the default file type to be used for network download if no type is provided to the DN command Valid values are coff and elf mac This is the ethernet Media Access Control MAC address a k a hardware address for the evaluation board This should be set to a unique value and the most significant nibble should always be even Examples To set the baud rate of the board to be 19200 the command is set baud 19200 NOTE See the SHOW command for a display containing the correct formatting of these options Chapter 3 Using the Monitor Debug Firmware 3 33 Commands SHOW Show Configurations Usage SHOW lt option gt The SHOW command displays the settings of the user configurable options within dBUG When no option is provided SHOW displays all options and values Examples To display all options and settings the command is show To display the current baud rate of the board the command is show _ baud Here is an example of the output from a show command dBUG show base 16 baud 19200 server 0 0 0 0 client 0 0 0 0 gateway 0 0 0 0 netmask 255 255 255 0 filename test s19 filetype S Record ethaddr 00 CF 52 82 CF 01 3 34 M5275EVB User s Manual Commands STEP Step Over Usage STEP The STEP command can be used to step over a subroutine call rather than tracing every instruction in the subroutine The ST command sets a temporary breakpoint o

M5271EVB User`s Manual

Contents

Download Pdf Manuals

Related Search

Related Contents