Flash Programmer Model TFP2 User Manual
Contents
1. TFP2 HyperTerminal dle x File Edit View Call Transfer Help Di al 3 alal eel gt gt TSC Flash Programmer 1 36 Apr 13 2097 c 2007 Teridian SemiConductor Corp All rights reserved Memory Size setting 32KB Preserve target parameters ON TFP2 EEPROM Checksum 1C2E Stored Checksum 1C2E gt 4 Connected 3 04 58 ANSIW 38400 8 N 1 SCROLL CAPS Num Capture Print echo Ui Figure 2 18 Parameter Mode Status Revision 2 3 17 of 36 Flash Programmer Model TFP2 User s Manual Revision 2 3 18 of 36 Flash Programmer Model TFP2 User s Manual 3 TARGET CODE INITIALIZATION Before the target s FLASH memory can be programmed the target code must be transferred to the TFP2 for internal storage First configure the TFP2 for the proper memory size of the target s code Rotate the internal Memory Size rotary switch to the appropriate position There is a black arrow on top of the rotary switch shaft denoting the switch position Only six of the eight switch positions are used The other two positions are not used A blinking red LED after applying power to the TFP2 indicates one of these unused positions is currently selected Rotate the Memory Size Switch to a proper setting and re apply power to the TFP2 to update the Memory Size setting Figure 3 1 Memory Size Configuration Figure 2 2 shows the basic RS 232 connection of the TFP2 to a PC Invoking a terminal emulator program such as2. 7 SEMICONDUCTOR CORP A Maxim Integrated Products Brand Flash Programmer Model TFP2 USER S MANUAL TE EE 32 KB i D Memory 192 gm 64 KE Size BKB 128 KB m Power ileal Programming Pass August 8 2011 Revision 2 3 Revision History Revision Date Description 1 0 4 27 2007 Initial release 2 1 2 4 2009 Added note for ICE enable pin 2 2 10 20 2010 Added Order Number 2 3 8 8 2011 Added troubleshooting tips Replaced TFP2 photos Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product No circuit patent licenses are implied Maxim reserves the right to change the circuitry and specifications without notice at any time Maxim Integrated Products 120 San Gabriel Drive Sunnyvale CA 94086 408 737 7600 2011 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products Table of Contents 1 GETTING STARTED ASer HE 5 1 1 General EE 5 1 2 Safety and ESD Notes ee Gee EE ER Ee Gee irre ener Pe ee EE Ee Deeg oe AK ERGE ee ee Ke 5 T3 Kit ee EER EE EE EE EE EE teie 6 1 4 Compatibility ES Ee Se GE ER Gee EE WE Ee Dee ie et WE De ee Denies De EDGE EE SR Ge EDE DAN ER Dee Ee EN 6 1 5 Suggested Equipment not Included rnnnsvvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnneennnnnnnnr 6 PG USER INTEREAGCE ee de ee ee ee ee e
3. Inixi File Edit View Cal Transfer Help Di amp 3 alal gt gt h I IET bytes written 0000 8000 durs EEPROM Checksum 1C2E Stored Checksum 1C2E PA gt gt vv L Connected 2 16 21 ANSIW s8400 8 N 1 SCROLL CAPS NUM Capture Print echo Z Figure 2 8 TFP2 Download Complete Possible reasons for a FAIL indication upon downloading a file to the TFP2 1 ou fF N Downloaded file not Intel Hex format USB to RS 232 dongle communication problem increase Line delay to 10 msec USB to RS 232 dongle does not support XON OFF XON XOFF protocol failure close and restart Hyper Terminal Hex file not converted using the CHKSUM EXE utility The following messages appear when the Memory Size Switch setting is too small for the downloaded file inixi File Edit View Call Transfer Help gt gt h Total bytes written 0000 8000 ee EEPROM Checksum 1C2E Stored Checksum 1C2E gt h Error Addr 00 4020 Address out of range Error 8 Addr 00 4040 Address out of range Error 8 Addr 00 4060 of range Error Addr 00 4080 Address out of range Error 8 Addr 00 40A Address out of range Error Addr 00 40C0 Address out of range Error 8 Addr 00 40E0 Address out of range Error 8 Addr 00 4100 Address out of range Error Addr 00 4120 Address out of range Error 8 Addr 00 4140 Address out of range Address out Too many errors Total bytes written 0000 8000
4. tee EEPROM Checksum 5D00 Stored Checksum 004E Connected 2 19 58 JANSTW 38400 8 N 1 SCROLL cars uum Capture Print echo Figure 2 9 TFP2 Download Fail due to Incorrect Memory Size Setting Flash Programmer Model TFP2 User s Manual 2 3 TARGET FLASH MEMORY PROGRAMMING Programming of the target s FLASH memory begins with typing P followed by the Enter key The green LED on the TFP2 s front panel blinks while the target FLASH memory is being mass erased programmed and verified The red LED will momentarily flash on at the start of programming Upon completion of the target FLASH memory programming the following display appears Additionally the green or red LED is illuminated upon completion of the target FLASH memory programming TFP2 HyperTerminal E slalx File Edit View Call Transfer Help DIe e 8 aal El gt gt p Programming Target Flash veri tving Target Flash Connected 2 30 32 ANSIW 38400 8 N 1 SCROLL CAPS NUM Capture Print echo Ui Figure 2 10 TFP2 Target Mass Erase and Program Command If the existing device s security bit is set the TFP2 prompts for confirmation that programming is to continue TFP2 HyperTerminal a lolx File Edit View Call Transfer Help nia e ale el gt gt p Programming Target Flash Target Flash Secure Target Flash to be Erased Are you sure Y or N Jur ES Connected 2 39 00 ANSIW 384008 N 1 SCROL
5. 3 3 DS gt TSC Flash Programmer 1 36 Apr 13 2007 c 2007 Teridian SemiConductor Corp All rights reserved Memory Size setting 64KB Preserve target parameters OFF TFP2 EEPROM Checksum C9E8 Stored Checksum C9E8 gt F Connected 1 01 12 ANSIW 584008 N 1 SCROLL caes NUM Capture Print echo Figure 2 3 TFP2 Power Up Information Display The Memory Size Switch setting and the checksum of the current target file stored in the TFP2 s internal EEPROM are displayed An Invalid Memory Size setting message appears if the Memory Size Switch is set to one of the invalid positions Rotate the Memory Size Switch to a proper setting and re apply power to the TFP2 to update the Memory Size setting If the target hex file has non FF values in any of the last four bytes the above power on screen may display a TFP2 EEPROM verification error message The displayed TFP2 EEPROM Checksum value and Stored Checksum value will be different This occurs when the stored checksum value from user s target file is derived from a different checksum calculation from what the TFP2 uses Therefore the TFP2 cannot confirm the EEPROM s contents However the checksum verification error will not prevent the TFP2 from programming a target board The TFP2 EEPROM Checksum value is recalculated upon every power on or system reset Manual verification of the EEPROM s contents requires comparing the TFP2 EEPROM Chec
6. I9 o Figure 4 4 Target HS Connector Pin Locations looking at TFP2 endplate The TFP2 does not supply power at the Target HS connector Power must be supplied to the target board separately The TFP2 must be powered first before connecting the target board to the TFP2 Cable length must not exceed 12 inches Target HS ribbon cable part numbers 1 20 pin flat ribbon cable connector 0 050 AMP 111194 4 Digi Key A29133 ND 2 20 conductor flat ribbon cable 0 025 Temp Flex F30007S 20 025 85 4 1 STANDALONE PROGRAMMING With the TFP2 s internal EEPROM initialized with the target s code as described in Section 3 and the target board connected to the TFP2 via the Target LS connector or the Target HS connector pro gramming of the target s flash memory may begin e MAXIM s www maxirr 4 08 32 KB o Memory SKB 64 KB d gt mory akp 128 KB a al ned 256 KB o m Power m e Programming Pass D HEN Figure 4 5 Standalone Configuration shown with Target HS cable When power is applied at the DC IN connector the yellow power indicator LED is illuminated Programming of the target FLASH Memory begins upon pressing the Program button A momentary push button press of 100 msec not to exceed 1 second is required to commence programming Mass erase of the target s FLASH memory is performed first before programming of the code begins The green Programming Pass LED blinks while programming is in progress Upon comple
7. Try to use the original ribbon cable with an adapter to the target programming connector if necessary e If the TFP2 and the PC connected to it have a different ground potential than the target ground loops can occur In that case try to use an isolated supply for the target e Termination in line resistors pull up resistors if used and bypass capacitors should be in cluded in the target schematics in the same way as implemented on the Teridian Demo Boards Consult the Demo Board schematics for comparison e Target board power 3 3 VDC must be supplied to the target IC e Target oscillator ensure that the crystal is oscillating at 32 768 kHz using an oscilloscope In many cases board contamination or moisture can prevent the oscillator from functioning properly e ICE E not pulled high this pin if available on the target IC must be pulled high e V1 pin for 71M651x target ICs for this IC family the V1 pin must be pulled up to 3 3 VDC to dis able the internal watchdog timer e Stuck RESET pin the communication link will fail if this pin is tied to the active potential e Some older TFP2 units may have timing issues when programming 78M66xx devices See Section 2 3 8 2 VERIFICATION ERRORS A typical dialog involving a verification error is shown below In this case the communication between TFP2 and the target IC was established but the programmed target image had at least one error which was dis
8. a resistor of 10 KO between E RXTX and V3P3 8 4 FILE LOAD ERRORS File load errors can occur when attempting to load the target image file into the TFP2 using HyperTerminal USB to serial converters sometimes misinterpret the XON XOFF control sequences used for flow control These cases manifest themselves in stuck file loads or corrupted target images The solution is to move to a PC with a true serial interface COM port 9 ORDERING INFORMATION The following table lists the order number used to identify the TFP2 Flash Programmer Table 9 1 Order Number Part Description Order Number Flash Programmer Model TFP2 80515 FPBM TFP2 Flash Programmer Model TFP2 User s Manual Revision 2 3 36 of 36
9. ed dd ee 8 Figure 2 3 TFP2 Power Up Information Display iese esse esse ee ed ee de ee de de ee ke de ee ed ee ee ee ee 8 Figure 2 4 TFP2 Help MeNU iese esse see ee ee ee ee ek ee ee ed de ee ek ee de de Re ee ee ee de ee ee ee ee de eke ee de 9 Figure 2 5 TFP2 Intel Hex File Download to Internal EEPROM Command sesse sesse esse esse ee ee ee ede ee 11 Figure 2 6 TFP2 Select Target Intel Hex File iese ees ees ee ee de ee ee ee ee dd ee ee ke ee ee dd ee ee ek ee ee de ee 11 Figure 2 7 TFP2 Download in Progress iss ee ee ee ee ee ee ee ee ee ee ed de ee RR ke ee ee ed ee ee ee kke ee 11 Figure 2 8 TFP2 Download Complete iis kke RA ee ee Re ee ee ke ee ee de ee de ee nnns 12 Figure 2 9 TFP2 Download Fail due to Incorrect Memory Size Setting 12 Figure 2 10 TFP2 Target Mass Erase and Program Command sesse sesse sesse ee ee ee ee ee eke ee ee dd ee 13 Figure 2 11 Existing Device s Security Bit Set ees ee ee de de ee RA ee ee AR ke ee ee ed ee ek ee nns 13 Figure 2 12 Programming Overrides Security BI ed Re ee ee eek ee ee dd ee 13 Figure 2 13 Previously Programmed Device Check ese ee Ad ee ee ee ee ee ek ee ee ee 14 Figure 2 14 Previously Programmed Device Check with Security Bit Set see ee ke de 14 Figure 2 15 Device Checksum and Security Bit StatuS sees AA RA ee ee ee ek ee ee ee 15 Figure 2 16 Device Checksum and Security Bit Status with Security Bit Set sees ee 15 Figure
10. the same instructions of Section 2 2 regarding selecting Send Text File menu option after typing the D command Use the P command or the PROGRAM button to program the target board s FLASH memory with the updated TFP2 EEPROM contents The TFP2 Power Up checksum verification expects to read the original Teridian checksum The Power Up checksum verification may fail due to the code change A Power Up Verify fail does not prevent correct device memory programming these messages are informational only Use the T command to verify the current device checksum 2 7 PARAMETER PRESERVATION PROGRAMMING The TFP2 firmware typically performs a block erase prior to programming the device s flash memory Additionally the TFP2 programs the entire address space of the flash memory Optionally the TFP2 can reserve 4KB of flash memory for code or parameter tables Use the E command to toggle whether the 4KB is preserved or erased over written during the P programming operation The Parameter Mode status change is displayed as shown below amp TFP2 HyperTerminal E lol x Fie Edit View Call Transfer Help ole S 3 si gt gt e Preserve target parameters ON Connected 3 02 17 ANSIW 884008 n 1 SCROLL caes mum Capture Print echo 7 Figure 2 17 Parameter Mode Selection After setting the Parameter Mode using the E command programming can be initiated using the P command or by pressing th
11. using the CHKSUM EXE utility 1 If the last four bytes of the target hex file are unused OxFF the CHKSUM EXE utility will insert its own calculated two byte CRC and two byte checksum 2 If any of the last four bytes of the target hex file are non OxFF values the CHKSUM EXE utility will NOT overwrite the four original values The CHKSUM EXE utility displays the following warning when it encounters non OxFF values nix TFP2 ChkSum gt chksum 64 lt 6513 cksm hex gt 6513_cksm2 hex kSum Version 1 5 22 Mar 2006 arning Keeping existing file CRC Checksum TFP2 ChkSum gt Figure 2 2 CHKSUM EXE Warning Display When programming the target FLASH memory these last four bytes of the target hex file are transferred intact Either the CHKSUM EXE calculated CRC and checksum bytes are copied or the original target s hex data are copied If the last two bytes of the target hex file are OxFF CHKSUM not used the TFP2 overwrites the last two OxFF bytes with its calculated checksum during the Hyper Terminal file Download operation With HyperTerminal configured for serial COM port 38400 baud 1 stop bit no parity XON XOFF refer to Section 3 3 for serial communication setup information the following information is displayed upon applying power to the TFP2 Any generic terminal emulation program will work However the target hex file download instructions presented apply to HyperTerminal File Edit View Call Transfer Help D
12. 2 17 Parameter Mode SelectiON eek AA ee RA ee ee RR Re ee ed ee ee ee ke ee 16 Figure 2 18 Parameter Mode Status esse ee de Re Ad ee Ad AR ee de de ek ee 17 Figure 3 1 Memory Size Configuration iese RR RA ee Re ee ed nennen nnns 19 Figure 3 2 TFP2 RS 232 Connection to PC esse ee ee RA ee ee RR AA ee ee ke nnns 19 Figure 3 3 Port Speed Port Bit Setup and Flow Control sesse ee Re ed eke ee ee 20 Figure 4 1 Target LS ConnecHON sesse AA AR AA AA a a Eaa aA ee ee 21 Figure 4 2 Target HS Connection sesse AA AR AA ee AA AR ee dd ek ee 21 Figure 4 3 Target LS Connector Pin Locations looking at TFP2 endplate 22 Figure 4 4 Target HS Connector Pin Locations looking at TFP2 endplate sees ee ee 23 Figure 4 5 Standalone Configuration shown with Target HS cable ke ee ee 23 Figure 4 6 PC User Interface Configuration shown with Target HS cable for example 24 Figure 4 7 ATE Connector Pin Locations looking at TFP2 endplate iis ee ee ee ee ee ee ee 25 Figure 4 8 Program Flow Chart sesse seed see ee AA RA ee de de ee ke n ee ek ee ee ee ee ed ee nnn nnns 26 Figure 5 1 TFP2 Reprogram TFP2 Program MemOF esse esse ee dee ees ee ee ee ee de ee ee ke ee ee de ee ee ee ee ee 27 Figure 5 2 TFP2 Boot Completion iss esse seek ien AA RR ee ke ee ek ke ee 28 Tables Table 2 1 CHKSUM Utility Addresses 00 0 0 ss see ee de ee ee ee ee de ee ee ee ke ee
13. 2 Program Memory 4 To proceed with reprogramming the TFP2 type an upper case Y The green PASS led blinks during the reprogramming process The TFP2 restarts itself once reprogramming is complete Flash Programmer Model TFP2 User s Manual TFP2 HyperTerminal oO x File Edit Yiew Call Transfer Help D amp S 3 DI gt gt BOOT Are you sure V or N V TSC Flash Programmer V1 36 Apr 13 2007 c 2007 Teridian SemiConductor Corp All rights reserved Memory Size setting 64KB Preserve target parameters OFF TFP2 EEPROM Checksum C9E8 Stored Checksum C9E8 gt 4 gt Connected 3 23 41 ANSIW 38400 8 N 1 SCROLL CAPS NUM Capture Print echo Ui Figure 5 2 TFP2 Boot Completion If the internal TFP2 EEPROM contents are corrupted checksum comparison failure or if the EEPROM contents do not represent a TFP2 code file user s target code the BOOT command will NOT reprogram the TFP2 The current power on screen is immediately displayed with no flashing PASS led when a problem is encountered with the EEPROM contents Revision 2 3 28 of 36 6 STATUS INDICATIONS 6 1 NORMAL OPERATION Normal front panel LED operation 5 Green LED blinks during target FLASH memory programming and verification 6 Green LED on 100 when target FLASH memory verified as good 7 Red LED never on during normal operation Normal ATE status signal operation 1 ProgramActive pin high during target FLASH memory programming and ve
14. 56 KB x 8 Flash PROM EEPROM A RS 232 interface is provided for connection to a PC allowing for downloading of the target s program code to the TFP2 s internal EEPROM This downloading utility along with target programming and additional status information is provided via a simple text based user interface The TFP2 supports target flash memory sizes of 8KB 16KB 32KB 64KB 128KB and 256KB Once the TFP2 s internal EEPROM is programmed the PC may be removed for standalone operation Standalone operation only performs the target FLASH memory programming Once programmed the target s FLASH memory contents are verified and a PASS or FAIL indication is reported The TFP2 front panel incorporates two status LEDs These status indications are also provided at the ATE connector and displayed by the PC User Interface Two target connectors are provided to facilitate custom target connections The standard ADM 51 ribbon cable connector is provided along with a discrete wire connector The discrete wire connector accommodates low cost custom cable harnesses These two cable connector interfaces are hardwired together and are not two separate interfaces 1 2 SAFETY AND ESD NOTES Standard ESD handling precautions should be employed whenever handling electronic equipment The TFP2 Flash Programmer utilizes ESD protection devices on its cable interfaces Potential equipment damage and or malfunction is possible if work surface grounding procedures are not
15. L Cars NUM Capture Print echo Z Figure 2 11 Existing Device s Security Bit Set Type an uppercase Y to continue device programming Pressing the Program Button on the front panel of the TFP2 automatically proceeds with device programming regardless of the security bit setting TFP2 HyperTerminal E o x File Edit View Call Transfer Help Dle es wiel gt gt p Programming Target Flash Target Flash Secure Target Flash to be Erased Are you sure V or N V Target Flash Erased Programming Target peri tying Target Flash Connected 2 41 37 JANSTW 38400 8 N 1 SCROLL caps Num Capture Print echo A Figure 2 12 Programming Overrides Security Bit 13 of 36 If the TFP2 cannot communicate with the target board a Command Timeout message appears Possible reasons for a Command Timeout indication upon programming the target board 1 Power not provided to target board preventing TFP2 communication with target board 2 Bad cable connecting TFP2 to target board preventing TFP2 communication with target board 3 Malfunctioning target board preventing TFP2 communication with target board 4 TFP2 Programmers built before June 2011 may have timing issues with some 78M66xx devices Contact Teridian for further information NOTE The TFP2 must be powered first before connecting the target board to the TFP2 NOTE The target s watchdog timer must be enabled V1 pin not connected to V3P3 and the targe
16. Microsoft s Windows 2000 HyperTerminal displays a simple text based user interface for controlling the TFP2 Refer to Section 2 for instructions on using the user interface Figure 3 2 TFP2 RS 232 Connection to PC Revision 2 3 19 of 36 3 1 POWER SUPPLY CONNECTION The TFP2 is supplied with a universal AC DC wall transformer Alternatively the TFP2 can be powered by another external power supply The TFP2 s power connector requires a 2 5 mm inner diameter power plug The center conductor is the VDC and the outer conductor is Ground External power supply voltage range is 5VDC 10 regulated Maximum required power supply current is 200 mA NOTE The TFP2 does not supply power at the Target LS and Target HS connectors Power must be supplied to the target board separately The TFP2 must be powered first before connecting the target board to the TFP2 3 2 RS 232 SERIAL CONNECTION For connection of the DB9 serial port to a PC a straight cable must be used PC Pin TFP2 Pin Male Pd aH Female Connector Connector 2 RX 2 3 TX 3 5 Grend 5 Table 3 1 RS 232 Straight Cable Connections 3 3 SERIAL CONNECTION SETUP After connecting the DB9 serial port to a PC start the HyperTerminal application and create a session using 38400 baud 8 bits no parity 1 stop bit and XON XOFF flow control HyperTerminal can be found by selecting Programs gt Accessories gt Communications from the Windows st
17. SUM EXE as follows chksum kb lt infile hex outfile hex where kb desired file size Memory Size Switch setting to be used during TFP2 downloading and target programming infile target code hex file to be processed outfile processed target code hex file to be downloaded to TFP2 The following figure shows a typical invocation of CHKSUM EXE TFP2 ChkSum gt chksum 64 lt 6513 hex 26513 demo hex hkSum Version 1 5 22 Mar 2006 NIFP2NGhkSum gt dir Volume in drive C has no label Volume Serial Number is 48ED F Y Directory of C TFPi ChkSum 43 19 2607 lt DIR gt 5 lt DIR gt 155 529 6513 hex 157 709 6513 demo hex 188 461 chksum exe 3 File lt s gt 561 699 bytes 2 Dir s gt 524 771 328 bytes free TFP2 ChkSum gt _ The purpose of the CHKSUM utility is to organize the individual hex records into a contiguous sequential address increasing structure Some compliers produce non sequential hex files The TFP2 assumes a sequential file structure A non sequential hex file downloaded to the TFP2 results in missing bytes the missing bytes are the out of sequence hex records in the target flash memory when the target is then programmed with the TFP2 The CHKSUM EXE utility may or may not overwrite the last four bytes of the downloaded target hex file depending on whether these locations are used or not Revision 2 3 7 of 36 Flash Programmer Model TFP2 User s Manual The following cases apply to
18. Sum v1p5 7 Ft F r cal B 6521 chksum hex 5 6521 demo hex 4 History chksum exe Connected 2 10 15 ANSIW G Desktop Ee My Documents p My Computer was File name he pen My Network P Fies of ype Cancel A Figure 2 6 TFP2 Select Target Intel Hex File Upon clicking on Open a rotating prompt is displayed indicating the file download is in progress TFP2 HyperTerminal File Edit Yiew Call Transfer Help Die e sole gt 4 Connected 2 14 31 ANSIW 38400 8 N 1 SCROLL CAPS NUM Capture Print echo A Figure 2 7 TFP2 Download in Progress When the file download completes the number of bytes transferred is displayed A running CRC is calculated during the file download for each byte received for programming into the TFP2 internal Revision 2 3 11 of 36 Flash 1 Programmer Model TFP2 User s Manual EERPOM The running CRC calculated during the file download is compared to the embedded CRCs of the individual byte records within the hex file for appropriate PASS and FAIL indication Additionally the appropriate green or red LED is illuminated The TFP2 EEPROM checksum calculation value is based on the memory size switch setting and is displayed for future reference The download transfer times may vary from 15 minutes to 1 minute for a 64 KB file size The Microsoft Windows 2000 Service Pak 4 or later affords the faster download time TFP2 HyperTerminal y
19. age Lo Output Voltage Hi TCLK Frequency 6 0 x 2 5 x 1 5 0 35 Ibs 109 450 40 C 85 C 5VDC 10 regulated 200 mA max 2 5 mm Diameter 0 0V to 0 5V 2 0V to 3 3V 0 45V max 8 mA 12 AV min 2 mA 0 0V to 0 5V 2 0V to 3 3V 0 45V max 8mA 2 4V min 2mA 10 MHz to 48 MHz Flash Programmer Model TFP2 User s Manual Revision 2 3 32 of 36 8 TROUBLESHOOTING Proper function of the TFP2 with the target IC depends on many factors These factors are Cable length and cable quality Signal termination Target board and target IC function Match between selected flash program size and target flash size When the programming process seems to fail it is useful to watch the feedback messages from the TFP2 via HyperTerminal Using the C and or T commands it can be determined quickly if the issue is with the communication link or somewhere else 8 1 COMMUNICATION ERRORS The typical response of the TFP2 to a communication error when issuing the C command looks as follows gt C Comparing Target Flash to TFP2 EEPROM image Command timeout Command timeout FAIL gt The response to the T command will look as follows when the communication link is interrupted T Command timeout gt Likely causes for communication link issues are e Cable length try to keep the cable length below 25 cm 10 inches e Cable quality proper multiple grounding and straight cables without loops are preferred
20. ait for program sequence to HI start Set PROGRAM pin 3 LO No wait for programmer to complete PASS pin toggles during program sequence Is FAIL pin toggles if the TFP2 cannot communicate AE pin 5 with the target board Is END PASS pin 7 Target FLASH Memory HI Failed Verification END Target FLASH Memory Programmed and Verified Figure 4 8 Program Flow Chart 5 BOOT LOADER The TFP2 Boot Loader enables the TFP2 firmware to be upgraded in the field remote location The Teridian Semiconductor provided TFP2 firmware file is first downloaded to the TFP2 s EEPROM Transfer of this revised firmware file from the TFP2 s EEPROM to its local program memory is performed by typing BOOT at the command prompt Detailed Boot Loader instructions are provided in the following section 5 1 BOOT LOADER OPERATION Reprogramming upgrading of the TFP2 s program memory is accomplished with the following steps 1 Set front panel Memory Size switch to 64 KB position 2 Download the new TFP2 firmware file using the H command Follow the instructions described in Section 2 2 3 Update the TFP2 program memory using the BOOT command The BOOT characters must be upper case TFP2 HyperTerminal gt Jo x File Edit View Call Transfer Help gt gt BOOT Are you sure Y or N 7 Caps NUM Capture Print echo Z Connected 3 19 21 ANSIW 38400 8 N 1 SCROLL Figure 5 1 TFP2 Reprogram TFP
21. art menu The connection parameters are configured by selecting File gt Properties and then by pressing the Configure button If the Configure button is not active select Call gt Disconnect Port speed and flow control are configured under the General tab and bit settings are configured after pressing the Configure button as shown in Figure 3 3 Port Settings Bits per second Data bits e Parity oe H Stop bits fi Flow control Xon Xoff Restore Defaults Cancel Figure 3 3 Port Speed Port Bit Setup and Flow Control Once communication to the TFP2 is established press the Enter key and the TFP2 program prompt gt should appear Typing displays the TFP2 program help menu Type v to verify that the TFP2 program version is revision 1 00 or later Refer to Section 2 for instructions on using the PC User Interface Flash Programmer Model TFP2 User s Manual 4 TARGET FLASH MEMORY PROGRAMMING The TFP2 Flash Programmer connects to the target board via one of two connectors 1 The Target LS connector provides connection using discrete wires Only use this interface for TCLK frequencies of 10 MHz or less Figure 4 1 Target LS Connection 2 The Target HS connector utilizes the ADM 1 ribbon cable connector Must use this interface for TCLK frequencies of 10 MHz or faster Figure 4 2 Target HS Connection These two connector
22. covered during the verify process gt P Programming Target Flash Verifying Target Flash Verification error FAIL gt Likely causes for verification issues are e Communication issues can look like a verification error if the signal quality and timing is marginal check the items listed above under Communication Errors See the hints given in Section 8 3 e An emulator port signal is also connected to an LCD pin on the target board resulting in a corrupted signal provide a jumper that can isolate the LCD pin from the emulator signal s during the flash programming process e Mismatch between selected target flash size and actual target flash size check the setting of the Memory Size Selection Switch and compare the file size with the flash size given in the target IC data sheet For example the 71M6534 has a flash size of 128 KB whereas the 71M6534H has a flash size of 256 KB e Mismatch between linked target file size and actual target flash size check the linker settings and linker report files e File error check the target file loaded into the TFP2 Reload the file if necessary 8 3 CABLE ISSUES AND MARGINAL TIMING Cable issues and marginal timing can manifest themselves as intermittent communication errors and or verification errors If the methods listed in the previous section Verification Errors do not help a few un conventional fixes can be tried e Raising the board voltage to 3 6 VDC e Adding
23. ctive HI signal indicates target FLASH Memory failed 9 FAIL verification FAIL goes low when PROGRAM is re asserted high FAIL toggles HI and LO if the TFP2 cannot communicate with the target board 10 Ground Table 4 3 ATE Connector Pins Figure 4 7 ATE Connector Pin Locations looking at TFP2 endplate ATE Connector part numbers 1 Connector Housing 10 pin 0 100 AMP 3 87977 0 Digi Key A25835 2 Connector Pins Crimp AMP 102348 2 Digi Key A25943 ND ATE interface Logic Level Specifications are given below Parameter Min Max Description Vih 2 0V 3 3V Input high voltage Vil 0 0V 0 5V Input low voltage Table 4 4 ATE Connector Pin Input Voltage Thresholds The RESET pin incorporates a 1kQ pull up resistor to 3 3V The PROGRAM pin incorporates a 1kQ pull down resistor to Ground Parameter Min Max Description Voh 2 4V 2 3 3V Output high ma voltage Vol 0 0V 0 45V 8ma Output low voltage Table 4 5 ATE Connector Pin Output Voltage Levels The PROGRAM ACTIVE PASS and FAIL outputs incorporate 620 series resistors The flow chart shown in Figure 3 9 details the programming sequence required of the ATE must apply power to TFP2 Flash Programmer before the sequence below begins Turn on power to target board BEGIN Target FLASH Memory Is ProgAct pin 5 Yes HI No verify programmer inactive Set PROGRAM pin 3 HI Is PROGACT pin 5 No w
24. e de ees ee ke ee ee ee ee Ke ee aa aaa aaa Run ere GES Re 7 2 1 TFP2 CHKSUM EXE Utility rrnnnnnnnnvennnnnnnnnnnnnnvennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnner 7 2 2 TFP2 EEPROM Download esse diese dee de eed ese se ee ee ee a Y X NE EE N N Ke ok 11 2 3 TARGET FLASH Memory Programming saaaaannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 13 2 4 Previously Programmed Device Verification rrrrrnnnnnnnnnvvnnnnnnnnnnnnnnnvvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnner 14 2 5 Device Status Check EERS EES eed ed ede ee oe ee oe se E ee N ee we ee Ee 15 2 6 Code Or Parameter Update rrrnnnnnnnvvvnnnnnnnnnnnnnnvvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnneennnnnnnnnnn 15 2 7 Parameter Preservation Programming rrrrnnnsnnnvvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnner 15 TARGET CODEiINITIALIZATION 42 19 3 1 Power Supply CONNECTION rnnnnnnnnvvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnennnennnnnnnnnnnn 20 3 2 RS 232 serial Connection EE EE EE EE EE EE Ee be Ee beid 20 3 3 Serial Connection Setup iiis aiiai eaea ataie uain aiaiai adau aaa 20 TARGET FLASH MEMORY PROGRAMMING munnnnnvvvvnnrnnnnnnnnnnvvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnner 21 4 1 Standalone Programming rrrnnnnnnnnnvvnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnn 23 4 2 PC User Interface Programming sssvvnnnnnnnnnnnnnn
25. e front panel Program button When Parameter Mode preservation is enabled the TFP2 programming operation copies the existing parameter data from the target device A bulk erase and reprogramming of the targets FLASH memory is performed The TFP2 then restores the previously copied parameter data starting at its highest address location Parameter data is re written to decreasing address locations until all parameter data locations have been restored If new code non OxFF data is encountered above the lowest reserved parameter address location the message No parameters preserved is displayed during the programming operation The location of the 4KB parameter space depends on the target device s FLASH memory size The TFP2 determines the target FLASH memory size from the front panel Memory Size switch The following table shows the reserved address locations of parameter space for different memory sizes Memory Size Parameter Parameter Switch Space Start Space End i Address Address 8KB Not Used Not Used 16KB 0x2000 Ox2FFF 32KB 0x5000 Ox5FFF 64KB OXDOOO OxDFFF 128KB 0x0001 D000 0x0001 DFFF 256KB 0x0003 D000 0x0003 DFFF Table 2 4 Parameter Space Address Location Usage of the above parameter space assumes new program code does not exist at the previous parameter s address locations The TFP2 also assumes that the parameters are stored as a contiguous block This block of
26. ed de ee ee ee ee de ek ee ee ee ee 9 Table 2 2 CHKSUM Utility Output Data sesse esse ee ee ke ee Re ee ee Re ee Re ee ee Re ee RA ee nnn ee ee ee ee nnn 10 Table 2 3 CHKSUM Utility Data DependenCY iese ss ee ee dd ee ee ee ed ee ee ke ee ee ee ee ee ee ee ee nnns 10 Table 2 4 Parameter Space Address Location ie ee RA AA Re RA ee ee ee ee 16 Table 3 1 RS 232 Straight Cable Connections Re ee ee ee 20 Table 4 1 Target LS Connector Pins see RA AA Re dd ee AA AA ee ee ek ee ee 22 Table 4 2 Target HS Connector Pins ee ee AA ee ed ee ee ke ee ee ee nnn nnn nennen de ee 23 Table 4 3 ATE Gonnectot PINS ss rrr rrr REP KEER EER EO RE etr RE Fre exec due iex rox gees 25 Table 4 4 ATE Connector Pin Input Voltage Thresholds ssssssennnennnn 25 Table 4 5 ATE Connector Pin Output Voltage Levels sesde sees ss ee ee ee de ee ee ed ee ee dee ed ee ee nn 25 1 GETTING STARTED 1 1 GENERAL The TFP2 Flash Programmer Model TFP2 provides a stand alone FLASH memory programming tool for Teridian Semiconductor s embedded controllers The TFP2 facilitates FLASH programming in a manufacturing production environment requiring minimum ancillary equipment Once the TFP2 has been initialized with the target s program code the target s FLASH memory can be programmed either manually via operator push button or controlled via a factory automation computer ATE The target s program code is stored in a standard 32 pin PLCC 2
27. incorporated handling procedures and proper work area grounding minimizes damage to all The TFP2 ESD protection devices do not protect the target s hardware Correct equipment 1 3 KIT CONTENTS Model TFP2 Flash Programmer 5VDC 1 000mA universal wall transformer with 2 5mm plug Serial cable DB9 Male Female straight cable 2m length Digi Key AE1020 ND ATE cable housing and crimp pins Target LS cable housing and crimp pins CHKSUM EXE Utility Diskette or CD ROM Model TFP2 User Manual TFP2 Quick Start Guide 1 4 COMPATIBILITY This manual applies to the following hardware and software revisions TFP2 firmware revision 1 53 or later TFP2 hardware revision 1 1 5 SUGGESTED EQUIPMENT NOT INCLUDED For use with optional text user interface operation terminal emulation software PC w MS Windows versions XT ME 2000 or Windows 7 equipped with RS 232 port COM port via DB9 connector Flash Programmer Model TFP2 User s Manual 2 PC USER INTERFACE 2 1 TFP2 CHKSUM EXE UTILITY Prior to downloading the target s hex file to the TFP2 the target s hex file must be pre processed using the CHKSUM EXE utility provided with the enclosed diskette A hex file not processed with CHKSUM EXE will result in incomplete programming of the target s FLASH memory The target s code must be of the Extended Intel ASCII HEX 80 format for processing by CHKSUM EXE From the DOS Command prompt invoke CHK
28. ksum value derived after the file download to subsequent power on recalculated checksum values See Figure 2 8 for an example of a displayed checksum value after a file download Upon pressing the Enter key the gt character is displayed indicating the TFP2 acknowledges the PC s keyboard Typing followed by the Enter key displays the Help Menu Revision 2 3 8 of 36 Flash Programmer Model TFP2 User s Manual TFP2 HyperTerminal E File Edit View Call Transfer Help lo x gt gt Reset SNITT IMON Command Line Help Usage lt char gt lt EnterKey gt Where lt char gt is one of the following command letters BOOT Boot load programmer from internal TFP2 EEPROM Compare target flash to TFP2 EEPROM image Download target Intel HEX file patch to internal TFP2 EEPRO Enable Disable target flash parameter preservation Download target Intel HEX file to internal TFP2 EEPROM Select Transfer Send Text File from HyperTerminal toolbar Mass erase and program target Flash from internal TFP2 EEPR Display Target Checksum and Mode Display TFP2 Version Information Display this help menu Figure 2 4 TFP2 Help Menu 4 Connected 1 03 02 ANSIW 38400 8 N 1 SCROLL CAPS NUM Capture Print echo F Commands C E T V Z and are single keystroke events no further user action required until the TFP2 completes the intended task The D H and P commands require additional user action and are de
29. ls Power Up Verify Fails Hex File with non OxFF CRC and non 0xFF Checksum Hex File with non OxFF CRC and non 0xFF Checksum after CHKSUM v1 5 Table 2 3 CHKSUM Utility Data Dependency Revision 2 3 10 of 36 Flash Programmer Model TFP2 User s Manual 2 2 TFP2 EEPROM DOWNLOAD Transfer of the target s code from a PC to the TFP2 begins with the H command The target code file must have been preprocessed using the CHKSUM EXE utility provided on the enclosed diskette Refer to Section 2 1 for instructions on using CHKSUM EXE Use of any other format results in malfunction and download checksum errors After typing H followed by the Enter key the cursor moves to the following line Next click on the Transfer button and scroll down to Send Text File to select the desired file to be downloaded TFP2 HyperTerminal Ini xi File Edit View Call Transfer Help DI 3 3 E Send File gt Receive File Capture Text gt h Send Text File Capture to Printer sends a text file to the remote system Figure 2 5 TFP2 Intel Hex File Download to Internal EEPROM Command Enable the All files for file type and select your desired target Intel Hex code file from the appropriate sub directory TFP2 HyperTerminal E Jo x File Edit View Call Transfer Help Dle 213 sole cl Send Text File als gt gt h Look in C Chk
30. nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnn 24 4 3 ATE Factory Automation Programming rrrnnnnnnnvvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnner 24 BOOT LOADER se se ee ed Ee de ee ee ee ee ee ee ee Se ee ee ee n ee Se Se Ke Ge ONS ORE ED ER ee 27 5 1 Boot Loader Operation iis isdie sei dei sei ei sei de se do soe se se EE A KG NG es 27 SEAT bo ele ie EE EE EE N ebanak Naaa uakai 29 XM neci TEE nme 29 6 2 Error Conditioris ee eed ee ee ee ee ee sve eo de ed sie a a e E v o ERN ava 29 TFP2 HARDWARE SPECIFICATIONS ennnnnnnnnnnnnnnnnnnvvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnn 31 TROUBLESHOOTING EE EE EE EE OE OE EE OE EE OE EE OE N N 33 8 1 Communication Errors 2 2 2 222212 22072222 52222222522 222 aaa aa ER ENE NEE ENE EEN EEN NE 33 8 2 Verification ag de Eek 34 8 3 Cable Issues and Marginal Timing ernnnnnnnnnnnnnvvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnvennnnnnnnnnnnnnn 34 8 4 File Load Errors centri n Ron 34 ORDERING INFORMATION eene ee ee REGEER RR RR KERE ERGER AR AR RR KERE Rae RR RARR RR EER nite EE Gee RARR R RR KERE Ee ee 35 Figures Figure 2 1 CHKSUM EXE Hex File Processing iese esse ee ee ede ee ee ee ee ee ee ee ed ee ee ee eed ee ee de ee ee ee ee ee ee ee 7 Figure 2 2 CHKSUM EXE Warning Display sesse ee ee ese ese ee ee ede de ee ee ee ee ee ee ed ee ee ee ke ee dd de ee ek ee ee ee
31. nt correct target memory programming these messages are informational only The Teridian checksum insertion over writing may only occur when using CHKSUM or during the TFP2 download if OxFF values are encountered The TFP2 programs into the target memory what was previously downloaded once downloaded the last two words do not change during programming The TFP2 then verifies the target memory to its internal memory resulting in the correct PASS indication even when user data is present Program Verify Passes Hex File with OxFF OxFFFF Tengan Download Verify Passes Checksum Power Up Verify Passes Teridian Program Verify Passes Hex File with OxFF after CHKSUM v1 5 OxFFFF Download Verify Passes Checksum Power Up Verify Passes Teridi Program Verify Passes Hex File with non OXFF CRC UserData Ped Download Verify Fails Power Up Verify Fails Hex File with non OxFF CRC after Teridian Program Verify Passes CHKSUM v1 5 includes UserData into its UserData Download Verify Passes Checksum Checksum Power Up Verify Passes Program Verify Passes Hex File with non OxFF Checksum OxFFFF UserData Download Verify Fails Power Up Verify Fails Program Verify Passes UserData Download Verify Fails Power Up Verify Fails Hex File with non OxFF Checksum after CHKSUM v1 5 DEEL Program Verify Passes UserData UserData Download Verify Fails Power Up Verify Fails Program Verify Passes UserData UserData Download Verify Fai
32. parameters can be located anywhere within the reserved memory locations Locating the parameters at the end of the Parameter Space allows for the program code to grow into the lower addresses of the parameter space The location of the contiguous parameter block is determined by searching for a non OxFF data byte beginning at the Parameter Space End Address of the TFP2 s EEPROM image The address counter is decremented until a non OxFF value is found This locates the lowest address of the parameter data the End Address being the highest address The TFP2 Power Up checksum verification expects to read the original Teridian checksum The Power Up checksum verification may fail due to the code change A Power Up Verify fail does not prevent correct device memory programming these messages are informational only Use the T command to verify the current device checksum The T command always includes the Parameter Space addresses in its checksum calculation regardless of the Parameter Preservation Mode setting However the C command operation varies with the Parameter Preservation Mode setting The Parameter Space addresses are included in the comparison when Parameter Preservation Mode is OFF Otherwise the Parameter Space addresses are ignored if Parameter Preservation Mode is ON The Parameter Mode status is also displayed in the power up initialization messages Flash Programmer Model TFP2 User s Manual
33. read back to display its current security bit setting and checksum Use the T command to perform this read back amp TFP2 HyperTerminal l0 x File Edit View Call Transfer Help DI 3 3 alal gt gt t Target Flash Unsecured Target Flash Checksum 1C78 gt 7 Connected 2 58 21 ANSIW 38400 8 N 1 SCROLL caes NUM Capture Print echo 7 Figure 2 15 Device Checksum and Security Bit Status If the security bit is set the target s FLASH memory cannot be read Therefore the Status results cannot be displayed as shown below amp TFP2 HyperTerminal 2 j nix File Edit View Cal Transfer Help Dae 3 3 2 gt gt t Target Flash Secure gt Connected 2 50 44 ANSIW Beqooe n 1 SCROLL caes NUM capture Print echo Figure 2 16 Device Checksum and Security Bit Status with Security Bit Set 2 6 CODE OR PARAMETER UPDATE The TFP2 firmware typically performs a block erase prior to programming the device s flash memory Additionally the TFP2 programs the entire address space of the flash memory The D command allows for programming only a small portion of the target s FLASH memory i e code patch or parameters Use the D command to download a code patch or a parameter table to the TFP2 EEPROM without erasing and reprogramming the entire TFP2 EEPROM memory The memory locations to be reprogrammed are read from the downloaded Hex File Follow
34. rification 2 PASS pin toggles HI and LO during target FLASH memory programming and verification 3 ProgramActive pin low upon completion of target FLASH memory verification 4 PASS pin high when target FLASH memory verified as good 5 FAIL pin never high during normal operation 6 2 ERROR CONDITIONS Front panel Red LED error codes 1 Red LED blinks after power on Incorrect Memory Switch setting either position 6 or 7 selected 2 Red LED on 100 after TFP2 download TFP2 download CRC failed 3 Red LED on 100 immediately upon Target programming Target not responding upon attempted programming 4 Red LED on 100 after power on TFP2 does not power up correctly Red LED on 100 after programming Target FLASH memory fails verification ATE FAIL status signal error codes ProgramActive pin LO and FAIL pin HI immediately Target not responding upon attempted programming ProgramActive pin LO and FAIL pin HI after ProgramActive was HI Target FLASH memory fails verification Flash Programmer Model TFP2 User s Manual Revision 2 3 30 of 36 7 TFP2 HARDWARE SPECIFICATIONS Case Dimensions Dimensions Weight Environmental e Operating Temperature e Storage Temperature Power Supply Supply Voltage Supply Current Cable Plug ATE Connector Input Voltage Lo Input Voltage Hi Output Voltage Lo Output Voltage Hi Target Connector Input Voltage Lo Input Voltage Hi Output Volt
35. s are hard wired together They are not two separate interfaces two different target boards cannot be programmed concurrently V The Target HS interface must be used when programming 73S12xxF and 78M66xx devices regardless of the TCLK speed Revision 2 3 21 of 36 Flash Programmer Model TFP2 User s Manual The target connector pin assignments are as follows 1 Ground 2 TCLK Input 3 Ground 4 RESET Output 5 ICE Enable Output 6 RXTX Bi Directional Table 4 1 Target LS Connector Pins Figure 4 3 Target LS Connector Pin Locations looking at TFP2 endplate The TFP2 does not supply power at the Target LS connector Power must be supplied to the target board separately The TFP2 must be powered first before connecting the target board to the TFP2 Target LS Connector part numbers 1 Connector Housing 6 pin 0 100 AMP 2 87977 8 Digi Key A25831 2 Connector Pins Crimp AMP 102348 2 Digi Key A25943 ND Revision 2 3 22 of 36 Target HS pin Function TFP2V0 TAr9etHS pin Function TFP21 O 1 Ground 11 11 Ground 2 ICE Enable Output 12 12 Not Used 3 Ground 13 13 Ground 4 RESET Output 14 14 Not Used 5 Ground 15 15 Ground 6 TCLK Input 16 16 Not Used 7 Ground 17 17 Ground 8 RXTX Bi Directional 18 18 Not Used 9 Ground 19 19 Ground 10 Not Used 20 20 Not Used Table 4 2 Target HS Connector Pins 905509659 TG b 6 R5
36. scribed in Section 2 6 Section 2 2 and Section 2 3 respectively The BOOT command is a special user action and is described in Section 5 The following tables show the results of the last two words of the hex file after using CHKSUM and after downloading and programming using the TFP2 The referenced addresses assume use of a 64KB flash memory configuration Hex File with OxFF OxFFFF OxFFFF Hex File with non OxFF CRC UserData OxFFFF Hex File with non OxFF OxFFFF UserData Checksum Hex File with non OxFF CRC UserData UserData and non OxFF Checksum Table 2 1 CHKSUM Utility Addresses Upon executing CHKSUM the first line displayed contains the CHKSUM version Table 2 2 shows the results of processing the above hex files with CHKSUM Revision 2 3 9 of 36 Flash Programmer Model TFP2 User s Manual Hex File with OxFF OxFFFF Teridian Checksum Hex File with non OxFF CRC UserData Teridian Checksum Hex File with non OxFF OxFFFF UserData Checksum Hex File with non OxFF CRC UserData UserData and non OxFF Checksum Table 2 2 CHKSUM Utility Output Data The TFP2 Download Verify and Power Up Verify expects to read the Teridian checksum For the following examples shown below a Download Verify fail and Power Up Verify fail occurs because the user data is preserved rather than over writing with the Teridian values A Download Verify fail and Power Up Verify fail does not preve
37. t s ICE_E pin must be connected to the appropriate TFP2 connector pin for target flash re programming if the target s security bit is set NOTE Wrong Memory Size switch setting will result in a Verification Error FAIL message 2 4 PREVIOUSLY PROGRAMMED DEVICE VERIFICATION A previously programmed device can be checked against the currently loaded image contained in the TFP2 Use the C command to perform this comparison The green LEDs are illuminated if the flash contents of the device in the socket match the contents of the TFP2 EEPROMs TFP2 HyperTerminal E inix File Edit View Cal Transfer Help ols sl elm gt c Comparing Target Flash to TFP2 EEPROM image Torget Flash UnSecure Compare Connected 2 56 06 ANSIW fa84008 n 1 SCROLL caes NUM Capture Print echo p Figure 2 13 Previously Programmed Device Check If the security bit is set the target s FLASH memory cannot be read Therefore the Compare results will fail as shown below The red LEDs are illuminated indicating this condition TFP2 HyperTerminal E nixj File Edit View Call Transfer Help DI amp e 5 dia gt c Comparing larget Flash to TFP2 EEPROM image TES Flash Secure Compare Connected 2 52 32 ANSIW f384008 N 1 SCROLL CAPS NUM Capture Print echo Z Figure 2 14 Previously Programmed Device Check with Security Bit Set 2 5 DEVICE STATUS CHECK The contents of a device may be
38. t HS cable for example NOTE The TFP2 must be powered first before connecting the target board to the TFP2 Do not connect a PC to the TFP2 AND connect the TFP2 to a target board with any connection to Line or Neutral Equipment damage will occur due to a Ground signal disparity or live voltages 4 3 ATE FACTORY AUTOMATION PROGRAMMING Automated programming of the target s FLASH Memory may be performed using the ATE connector The interface signals provided at the ATE connector allow a factory automation computer to commence programming and monitor the status of the programming results The ATE interface cannot download target code to the TFP2 s internal EEPROM The TFP2 must be powered first before connecting the target board to the TFP2 The ATE connector pin assignments are as shown in Table 4 3 ATE Pin Pin Function TFP21 O Description 1 RESETB Input Active LO reset to TFP2 processor 2 Ground Input Active HI signal starts target FLASH Memory programming A PROGRAM minimum 200 ms pulse is required 4 Ground PROGRAM Output Active Hi signal indicates target FLASH Memory programming 5 in progress De assert PROGRAM upon PROGRAM ACTIVE ACTIVE going high 6 Ground Output Active HI signal indicates target FLASH Memory verified to be 7 PASS correct PASS goes low when PROGRAM is re asserted high PASS toggles Hi and LO during programming sequence 8 Ground Output A
39. tion of programming the target s FLASH Memory contents are read back for verification The green Programming Pass LED stops blinking and turns on solid if the target s FLASH Memory contents are verified as good If verification fails the red Fail LED turns on solid If the TFP2 cannot communicate with the target the red Fail LED turns on immediately Communications failure may result from no target power bad cable or faulty target board No target FLASH Memory programming will have occurred when communication has not been established Either LED indication is cleared upon re pressing the Program button NOTE The TFP2 must be powered first before connecting the target board to the TFP2 NOTE The target s watchdog timer must be enabled V1 pin not connected to V3P3 and the target s ICE_E pin if available on target device must be connected to the appropriate TFP2 connector pin for target flash re programming if the target s security bit is set 4 2 PC USER INTERFACE PROGRAMMING Alternatively manual programming may be performed using the PC User Interface The green and red LED indicators function as described above The operational status information is also duplicated on the PC s screen Refer to Section 2 for instructions on using the PC User Interface 32 KB 7 Memory SKB 64 KB J id 8KB 128 KB 9 m Power 5 ProgrammingiPass OD av vi EE e Figure 4 6 PC User Interface Configuration shown with Targe
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