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STK-MBa28 User`s Manual - TQ

1. LCD Liquid Crystal Display LED Light Emitting Diode LS Low Speed USB 1 5 Mbit s LSB Least Significant Bit LVDS Low Voltage Differential Signal MMC Multimedia Card MOZI Module extractor Modulzieher NC Not Connected O P Output Power OTG On The Go PCB Printed Circuit Board PD Pull Down Resistor PHY Physical Interface PU Pull Up Resistor PWM Pulse Width Modulation RCA Radio Corporation of America RFU Reserved for Future Use RGB Red Green Blue RJ Registered Jack RS232 Recommended Standard serielle Schnittstelle RTC Real Time Clock RoHS Restriction of the use of certain Hazardous Substances SD Secure Digital SDHC Secure Digital High Capacity SPDIF Sony Philips Digital Interface Format SPS Speicherprogrammierbare Steuerung Programmable Logic Controller PLC STK Starterkit THD N Total Harmonic Distortion Noise UART Universal Asynchronous Receiver Transmitter USB Universal Serial Bus VGA Video Graphics Array 640 x 480 WEEE Waste Electrical and Electronic Equipment WP Write Protect User s Manual STK MBa28 UM 104 2013 by TQ Group Page 7 2 BRIEF DESCRIPTION The STK MBa28 is designed to be driven by the TO module TOMa28 which is based on the Freescale ARM CPU MCIMX287 i MX28 In combination with a module and a display with touchscreen it offers PC core functionalities and standard interfaces By using t
2. Table 67 DIP switch S3 Switch ON OFF default S3 1 No function No function 3 2 DEBUG DGND DEBUG TOMa28 PU S3 3 RS485 RxD terminated 120 Q RS485 RxD not terminated S3 4 RS485 TxD terminated 120 Q RS485 TxD not terminated User s Manual STK MBa28 UM 104 2013 by TQ Group Page 57 Table 68 DIP switch S4 Switch ON OFF default S4 1 Boot pin LCD D04 1 kQ PU Boot pin LCD D04 depends on TOMa28 4 2 Boot pin LCD D03 1 kQ PD Boot pin LCD D03 depends on TOMa28 54 3 Boot pin LCD D02 1 kO PU Boot pin LCD D02 depends on TOMa28 4 4 Boot pin LCD D01 1 kQ PU Boot pin LCD D01 depends on TOMa28 Table 69 DIP switch S5 Switch ON OFF default S5 1 Boot pin LCD_D00 1 kN PD Boot pin LCD_D00 depends on TQMa28 5 2 LCD RS 1 kQ PU see 1 LCD RS undefined 5 3 No function No function 5 4 No function No function Table 70 Boot mode options DIP switch S4 DIP switch S5 Boot from p 3 2 3 OFF OFF OFF OFF OFF OFF OFF OFF eMMC flash on TOMa28 OFF OFF OFF ON ON OFF OFF OFF SD card on STK MBa28 OFF ON OFF OFF ON OFF OFF OFF Rescue mode 4 Activates boot mode configuration by resistors only necessary when HW OCOTP ROM7 0x8002C210 0 1 Page 58 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 4 System components 4 4 1 Temperature sensor D10 Near
3. at the end of the signal name indicates a low active signal Example RESET If a signal can switch between two functions and if this is noted in the name of the signal the low active function is marked with a hash mark and shown at the end Example C D If a signal has multiple functions the individual functions are separated by slashes when they are important for the wiring The identification of the individual functions follows the above conventions Example WE2 OE 1 9 Further applicable documents presumed knowledge e Specifications and manual of the used modules These documents describe the service functionality and special characteristics of the used module incl BIOS e Specifications of the used components The manufacturer s specifications of the used components for example CompactFlash cards are to be taken note of They contain if applicable additional information that must be taken note of for safe and reliable operation These documents are stored at TQ Systems e Chip errata It is the user s responsibility to make sure all errata published by the manufacturer of each component are taken note of The manufacturer s advice should be followed e Software behaviour No warranty can be given nor responsibility taken for any unexpected software behaviour due to deficient components e General expertise Expertise in electrical engineering computer engineering is required for the installation a
4. Illustration 25 Illustration 26 Illustration 27 Illustration 28 Illustration 29 Illustration 30 Illustration 31 Illustration 32 Illustration 33 Illustration 34 Illustration 35 Illustration 36 Illustration 37 Illustration 38 Illustration 39 User s Manual STK MBa28 UM 104 O 2013 by TO Group Page vii STK MBa28 block diagram eege 7 External interfaces of the STK MBa28 EEN 9 Ethernet 1 block diagram EEN Ethernet 2 block diagram EEN KEEN Ee NANA E RS232 block diagram sisimizi CAN block diagram GPIO block diagram USB host block diagram USB OTG block diagram Audio block diagram ne SDicard de ee EE Power In block diagram EEN Wiring of connector X26 e sesecsescsssecssecseesssescssecssecsuceessecsseesucesssecsecsucesscesstersucesseeesserse Wiring of connector X324 ENEE Wiring of connector32B een Wiring of connector XA Wiring of connector X1B Wiring of connector X12A Wiring of connector X12B er Wiring of connectors X27 and VD EEN 29 Wiring of connector X13 u esecssesssessssecssecseessscecssecssecsucecssecsucessesssseeseecsuecsucesseecsueeseeessseess 30 Wining Of DEET 31 Wiring of connector M 32 Internal and external interfaces top side EEN 33 Internal and external interfaces bottom side ee 34 LEB Block Hiii iia ee Ts LCD backlight block diagram Touchscreen block diagram LVDS display block diagram Power On b
5. Not connected 7 RS232 RTS O Request To Send 8 RS232_CTS Clear To Send 9 NC Not connected M DGND P Ground Illustration 16 Wiring of connector X32B Attention Destruction or malfunction Due to three physically identical 9 pin male D sub connectors there is the danger of confusion between RS232 RS485 and CAN The exact arrangement of the interfaces is shown in Illustration 2 on page 9 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 25 4 1 3 4 CAN 1 CAN 2 X1A Table 15 CAN 1 and CAN 2 connector KIA Manufacturer number Description Dual Standard D sub connector socket Top 9 pin male connector Bottom 15 pin female socket 55 C to 85 C Yamaichi DDPXR E9P E15S C4N CT The following table shows the configuration of the connector for both CAN interfaces Table 16 Pin assignment CAN 1 and CAN 2 connector X1A Pin Signal Type Remark 1 CANL_2 I O CAN Low Level I O of CAN 2 galvanically separated 2 CANL_1 WO CAN Low Level I O of CAN 1 galvanically separated 3 GND CAN P Ground galvanically separated 4 CANH 2 I O CAN High Level I O of CAN 2 galvanically separated 5 NC Not connected 6 NC Not connected 7 CANH 1 I O CAN High Level I O of CAN 1 galvanically separated 8 NC Not connected 9 NC Not connected M DGND P Ground housing Illustration 17 Wiring of connector X1A Atte
6. EMC Immunity according to EN 61000 4 6 Immunity to conducted disturbances induced by radio frequency fields EMC Immunity according to EN 61000 4 1 15 Immunity to voltage dips voltage variation and short interruptions in the mains supply VOLTAGE DIPS EMC Immunity according to EN 61000 4 296 Immunity to voltage dips and short interruptions on the DC input power supply 7 2 Operational safety and personal security Due to the occurring voltages 36 V DC tests with respect to the operational and personal safety have not been carried out 5 Thetestlevel and test criteria are taken from the generic standards EN 61000 6 1 and EN 61000 6 2 6 Thetestcriteria are not fixed here yet because there are still no generic standards or product standards on which to base this standard When required the test criteria have to be defined with the customer User s Manual STK MBa28 UM 104 2013 by TQ Group Page 65 8 CLIMATIC AND OPERATIONAL CONDITIONS Permitted environmental temperature of all components 0 C to 70 C Permitted component temperature except SN75LVDS83 25 C to 85 C Permitted storage temperature 40 C to 85 C Relative air humidity operation storing 10 to 90 not condensing Protection class IPOO if not mounted in a case 8 1 Protection against external effects See section 6 2 1 on page 63 8 2 Reliability and product life The device is designed for a typical product life of fiv
7. The lines of the touchscreen are equipped with protective ESD diodes as well as a CLC filter Three connectors are available Table 32 Touchscreen connectors X2 X8 X20 Connector Type Pitch mm Remark X2 Header 2 x 3 pin 2 54 Component side 4 wire or 5 wire touchscreen X8 Header 1 x 4 pin 2 54 Soldering side 4 wire touchscreen optional X20 FFC 1 x 4 pin 1 25 Soldering side 4 wire touchscreen Illustration 29 Touchscreen block diagram User s Manual STK MBa28 UM 104 2013 by TQ Group Page 39 4 2 1 6 LVDS display X9 An LVDS transmitter which transforms the data signals of the LCD bus to LVDS level is implemented on the STK MBa28 as a placement option A Texas Instruments SN75LVDS83B is used for this LCD_LVDS ON Illustration 30 LVDS display block diagram Table 33 Allocation of RGB signals on LVDS lines TQMaz28 signal 24 bit mode Remark D23 10kQ PD CLKSEL 4 7 KQ PD CLKIN LCD DOTCLK D26 LCD_ENABLE D24 LCD HSYNC D25 LCD VSYNC D15 LCD DOO BO BO BO D18 LCD DO B1 B1 B1 D19 LCD D02 B2 B2 B2 D20 LCD D03 B3 B3 B3 D21 LCD_D04 B4 B4 B4 D22 LCD DO5 GO B5 B5 D16 LCD_D06 G1 GO B6 10 kQ PD D17 LCD D07 G2 G1 B7 10 kQ PD D7 LCD DOS G3 G2 GO D8 LCD_D09 G4 G3 G1 D9 LCD_D10 G5 G4 G2 D12 LCD_D11 RO G5 G3 D13
8. Up to 4 Mbit s full duplex AUARTO RTS used for determination of transmission direction Compatible with the EIA TIA 485 standard galvanically separated 15 kV human body model Up to 120 Kbit s AUART3 RTS CTS via AUART3 Compatible with the EIA TIA 232 standard 15 kV human body model Up to 1 Mbit s CANI resp CAN2 Compatible with the ISO 11898 standard CAN 2 0B galvanically separated 6 kV human body model Page 18 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 2 6 GPIO X1B Type of media 24 V GPIOs according to the SPS standard Interface on module 12C1 Signal characteristic See Table 5 not galvanically separated ESD protection 600 W pulse power 10 1 ms 0 01 96 duty cycle Table5 Electrical characteristics of the GPls Parameter Min Typical Max Unit Input frequency hardware limitation 15 kHz Input voltage Vin 0 28 V Input current Vin 28 V 2 5 mA HIGH input level 6 9 Vin V LOW input level 0 1 8 V Depending on the operating system and its workload the maximum input frequency can be significantly lower than the value specified by the hardware Table6 Electrical characteristics of the GPOs Parameter Min Typical Max Unit Output frequency 3 kHz Supply voltage Vcc2av_ex 12 24 30 V Output voltage depending on R oad lt Veczav_EX V Load resistance Road 48 Q Load inductance Vccw ex 24 V Riesa 48 Q 2 H Output
9. D10 LCD D11 25 26 LCD D12 LCD D13 27 28 LCD D14 LCD D15 29 30 LCD D16 LCD D17 31 32 LCD D18 LCD D19 33 34 LCD D20 LCD D21 35 36 LCD D22 LCD D23 37 38 LCD BACKLIGHT PWM VCC5V 39 40 VCC3V3 Placement see Illustration 38 on page 61 Page 54 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 3 User s interfaces 4 3 1 Buzzer N10 A GPIO output of the TOMa28 controls the buzzer The buzzer is self excited and does not require a PWM signal Illustration 33 Buzzer block diagram 4 3 2 Reset push button S2 The reset push button resets the CPU on the TOMa28 As a result the CPU reinitializes all external components Table 62 Reset push button S2 Manufacturer number Description Miniature push button Minimum 100 000 operations Operating force 3 N 1 N Max 1 27 mm path 55 C to 125 C Knitter Switch TMSE 10 J RA User s Manual STK MBa28 UM 104 2013 by TQ Group Page 55 4 3 3 Status LEDs external V77 Table 63 External status LEDs V77 Manufacturer number Description e 3 fold LED VS Optoelectronic WU 2301 e Red yellow green e 0 Cto 80 C Three LEDs are implemented in addition to the status LEDs of both Ethernet jacks Their function can be taken from the following table Table 64 Overview external LEDs LED Colour Function display V77A Red User defined function V77B Yellow User defined function V77C Green Power On vol
10. Input right P X 3 4 Y VP Input top Input left VP X 5 6 DGND P Ground Table 47 Touchscreen connector X8 Manufacturer number Description e Header 2 54 mm Harwin M20 8900405 e 1x4 pin e 6INn 3A e 40 C to 105 C Table 48 Touchscreen connector X20 Manufacturer number Description e Connector FFC e Pitch 1 25 mm JST O4FFS SP TF e Un 50V N 0 5A e 25 C to 85 C Table 49 Pin assignment touchscreen connectors X8 X20 Pin Signal Type Remark 1 Y VP Input bottom 2 X I P Input right 3 Y VP Input top 4 X I P Input left Placement see Illustration 38 and Illustration 39 on pages 61 and 62 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 49 4 2 3 6 LVDS display X9 Table 50 LVDS display connector X9 Manufacturer number Description e Crimp connector Hirose DF14 20P 1 25H 25 e Un 150V In 1A e 35 C to 85 C Table 51 Pin assignment LVDS display connector X9 Pin Signal Type Remark 1 DGND P Ground 2 DGND P Ground 3 LVDS3 O Data pair 3 positive 4 LVDS3 O Data pair 3 negative 5 DGND P Ground 6 LVDSCLK O Clock pair positive 7 LVDSCLK O Clock pair negative 8 DGND P Ground 9 LVDS2 O Data pair 2 positive 10 LVDS2 O Data pair 2 negative 11 DGND P Ground 12 LVDS1 O Data pair 1 positive 13 LVDS1 O
11. STK MBa28 top view d STK MBa28 bottom VIBW vitaiorisesasinasosaonssonasssonsasenasssonnssanasosvanssenasosvanssannsosvanssanasosvanssannsosvanasanasoonan Requirements for the superior system ENEE Protection against external effects ENEE Thermal management ea SAFETY REQUIREMENTS AND PROTECTIVE REGULATIONS ah Gl CT DT CST TS I CR Operational safety and personal security ENEE CLIMATIC AND OPERATIONAL CONDITIONS ee Protection against external effects EEN Reliability and product life Displays sss Environment protection A tele Een WEEE regulation Accumulator APPENDIX i References E G User s Manual STK MBa28 UM 104 2013 by TQ Group Ta Page v Table directory Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 Table 37 Terms amd CONVEN OAS zer 2 AGONY IIS EEN 5 LAN8720A modes 10 Mapping of the GPIOs 14 Electrical characteristics of the GPls 18 Electrical characteristics of the GPOs ee 18 Electrical characteristics of the power supply esent 20 Ove
12. UM 104 2013 by TQ Group 4 1 2 11 Power In X6 Table7 Electrical characteristics of the power supply Parameter Min Typical Max Unit Input voltage 15 24 30 V Input current 190 mA Power consumption 4 56 Rated current of the fuse 3 5 A Voltage drop in the fuse 0 13 V Melting time of the fuse t 10 ms 3 9 A s Melting time of the fuse l 10 In 3 3 As The specified standard power supply for the STK MBa28 is the following e PCX86MM NT REV 100 18V max 3 9 A With the abovementioned power supply the low voltage directives according to EN 60950 are met In the case where another power supply is used or if the device is supplied from a 24 V power grid it is the customer s responsibility to make sure the specified maximum ratings and standards are met Table8 Overview of the function groups of the power supply Parameter Remark Yes Actively via serial FET max 30 V for both polarities allowed Yes voltage limitation to 30 V With lasting excess voltage the assembly can be damaged Yes Passive over current protection by soldered ceramic fuse Reverse voltage protection Excess voltage protection Short circuit protection Filter Integrated filter for the power supply input 2 Thevalue depends on the software and is valid for an input voltage of 24 V User s Manual STK MBa28 UM 104 2013 by TQ Group Page 21 4 1 3 Connectors
13. connector X17 on the top side of the STK MBa28 is a National Semiconductor LM73 temperature sensor It can be read out via I2C1 The base address can be taken from the following table 44 2 l Caddress allocation Table 71 C address allocation l C bus Position Device Address 1 STK MBa28 Audio codec SGTL5000 OKOA 1 STK MBa28 GPO PCA9554D 0x20 1 STK MBa28 GPI USERLED PCA9554D 0x21 1 STK MBa28 Temperature sensor LM73 Ox4A 1 TOMa28 Temperature sensor LM73 0x49 1 TQMa28 EEPROM M24C46 0x50 4 4 3 Internal power supply Table 72 Internal power supply Voltage Current 5V Max 4A 3 3V Max 6A Illustration 35 Internal power supply block diagram User s Manual STK MBa28 UM 104 2013 by TQ Group Page 59 444 Voltage supervision and reset The system reset has four sources Power On Reset push button 5 V undervoltage 3 3 V undervoltage Illustration 36 Voltage supervision reset block diagram TQMa28 RESET Table 73 Reset trigger level and voltage supervision Voltage Reset trigger level typical 5V 4 58 V 3 3 V 3 14 V 5 SOFTWARE SPECIFICATION No software is required for the STK MBa28 Suitable software is only required on the module TQMa28 and is not a part of this specification More information can be found in the Support Wiki for the TQMa28 Page 60 User s Manual STK MBa28 UM 104 2013 by TQ Group 6 MECHANICS SP
14. current of a single output 700 mA Output current of all outputs together 5 A Short circuit current Vec2av_ex 24 V Rioad 10 MO 0 7 1 7 A User s Manual STK MBa28 UM 104 2013 by TQ Group Page 19 4 1 2 7 USB 2 0 Hi Speed host X12A Type of media Interface on module Signal characteristic ESD protection USB 2 0 Hi Speed 5 V bus voltage limited to 500 mA USB host physical Compatible with the Universal Serial Bus Specification Rev 2 0 15 kV human body model 4 1 2 8 USB 2 0 Hi Speed host X12B Type of media Interface on module Signal characteristic ESD protection USB 2 0 Hi Speed 5 V bus voltage limited to 500 mA USB OTG physically only host cannot be used as device Compatible with the Universal Serial Bus Specification Rev 2 0 15 kV human body model 4 1 2 9 Audio output right X27 left X28 microphone input X13 Audio outputs SNR 60 GB input THD N Load Power output Microphone input Input Gain Interface 4 1 2 10 SD card X4 Type of media Interface on module Signal characteristic 98 dB 86 dB 160 58mW Mono Programmable 0 20 30 40 dB PS SD SDHC card SD 4 bit Compatible with the SD Host Controller Standard Specification version 2 0 support for high capacity SD memory cards 1 For the default assembly the following values are valid but not for the optional line out assembly Page 20 User s Manual STK MBa28
15. e 47 4 2 3 5 Touchscreen X2 X8 X20 4 2 3 6 LVDS display X9 4 2 3 7 Power On X19 450 4 2 3 8 Accumulator connector KZI 50 4 2 3 9 Starterkgtinterfaces OC10 oC T4 X 5 EEN 51 4 2 3 9 1 State nA a EE ERE esaye 51 42392 Starterkatinterface C14 uiii ERE ob s tob s obsstvosssoosssobsssvosssv sisobsisvsssvoasivolkisa 52 4 2 3 9 3 St rterkie EE 53 4 3 User s E E 54 4 3 1 DK KUNI E 54 4 3 2 Reset push b tton ua e e ke astesatasasosssosadiaataosssossenasasnssosan et posaossaensesastdosssospespsLaosssonyes AA 54 4 3 3 Status LEDs external V77 55 434 Status LEDs internal V22 V24 V25 V46 56 4 3 5 DIP switches S1 S3 S4 Sp 56 4 4 System COM PON ENS casissscissdsscissasscissansdassannabssansabssansdsossontsonssassnsssazsnssaassnsasazsassoassassonasanssiauinsonasiaads 58 4 4 1 Temperature sensor D10 u avsrteterreeoteteastensaassensasnoonsoonoonsoonoonsoonoossosnoonsosnoosnoonooaoannoanoon 58 44 2 address allocation waa 58 4 4 3 liternal DOWer SUpply iain aaa 58 4 4 4 Voltage supervision and reset EEN 59 Page iv User s Manual STK MBa28 UM 104 2013 by TQ Group Table of contents continued 6 1 6 1 1 6 1 2 6 1 3 6 2 6 2 1 6 2 2 7 1 7 2 8 1 8 2 8 3 8 4 8 5 8 6 8 7 9 1 SOFTWARE SPEEIFICATION assessment MECHANICS SPEGIFICATION 2 2 anna Construction een PCB outlines STK MBa28
16. of erroneous or incomplete information are exempted as long as there is no proven intentional or negligent fault of TQ Systems GmbH TQ Systems GmbH explicitly reserves the rights to change or add to the contents of this manual or parts of it without special notification 1 4 Imprint TQ Systems GmbH Gut Delling M hlstra e 2 82229 Seefeld Tel 49 0 8153 9308 0 Fax 49 0 8153 9308 134 Email info tqs de Web http www tq group com Page 2 User s Manual STK MBa28 UM 104 2013 by TQ Group 1 5 Symbols and typographic conventions Table 1 Terms and conventions Symbol Meaning This symbol represents the handling of electrostatic sensitive modules and or components These components are often damaged destroyed by the transmission of a voltage higher than about 50 V A human body usually only experiences electrostatic discharges above approximately 3 000 V This symbol indicates the possible use of voltages higher than 24 V Please note the relevant statutory regulations in this regard Non compliance with these regulations can lead to serious damage to your health and also cause damage destruction of the component This symbol indicates a possible source of danger Acting against the procedure described can lead to possible damage to your health and or cause damage destruction of the material used gt gt gt b gt This symbol represents important details or aspects for
17. working with TQ products Command A font with fixed width is used to denote commands file names or menu items User s Manual STK MBa28 UM 104 2013 by TQ Group Page 3 1 6 Tips on safety Improper or incorrect handling of the product can substantially reduce its life span 1 7 Handling and ESD tips General handling of your TQ products The TQ product may only be used and serviced by certified personnel who have taken note of the information the safety regulations in this document and all related rules and regulations A general rule is do not touch the TQ product during operation This is especially important when switching on changing jumper settings or connecting other devices without ensuring beforehand that the power supply of the system has been switched off Violation of this guideline may result in damage destruction of the module and be dangerous to your health Improper handling of your TQ product would render the guarantee invalid Proper ESD handling The electronic components of your TQ product are sensitive to electrostatic discharge ESD Always wear antistatic clothing use ESD safe tools packing materials etc and operate your TQ product in an ESD safe environment Especially when you switch modules on change jumper settings or connect other devices Page 4 User s Manual STK MBa28 UM 104 2013 by TQ Group 1 8 Naming of signals A hash mark
18. 11 RS232 X3B2B vccccccsssssssssscscsssssssscscscsssssssscscscssssssscscscsssssssscscscsssssssssscscssssesesscsesesessesscscsesessesscsesessees 12 CBE PALA 12 elef ATC 13 USB 2 0 Hi Speed host X12A een 15 USB 2 0 Hi Speed host X12B Audio output right X27 and left X28 microphone input X13 sss 16 SCAN EE EEN 16 le UE Tt d 16 Page ii User s Manual STK MBa28 UM 104 2013 by TQ Group Table of contents continued 4 1 2 4 1 2 1 4 1 2 2 4 1 2 3 4 1 2 4 4 1 2 5 4 1 2 6 4 1 2 7 4 1 2 8 4 1 2 9 4 1 2 10 4 1 2 11 4 1 3 4 1 3 1 4 1 3 2 4 1 3 3 4 1 3 4 4 1 3 5 4 1 3 6 4 1 3 7 4 1 3 8 4 1 3 9 4 1 3 10 4 1 3 11 4 2 4 2 1 4 2 1 1 4 2 1 2 4 2 1 3 4 2 1 4 4 2 1 5 4 2 1 6 4 2 1 7 4 2 1 8 4 2 1 9 El ctrical chiaracteliSliCs NAA Ehe Ethernet 2 X26B RS485 X324 RS232 X32B d ed TCKIKAT NN GPIO XTB aiiin aaa USB 2 0 Hi Speed host KIZA EEN USB 2 0 Hi Speed host X12B sscssssssssessssssessscsscsssssscssscsscsssssscssscsscssscsscsasceucsascsucsecesuceseeaseessees Audio output right X27 left X28 microphone input X13 A SD card IA EN Eeer Connectors and pin assignments EENEG EES EE tee RS485 X32A RS232 X32B CAN 1 CAN 2 KIA ej exp USB 2 0 Hi Speed host KIZA EEN USB 2 0 Hi Speed host X12B Audio output right X27 left X28 Microphone input X13 SD cat X4 Us e o e RR RR RER
19. 29 30 ENET1_TX_EN J4 ENET1 3V3 out in 3V3 ENET1 Ji ENET1_RXDO 31 32 ENET1_TXDO G1 ENET1 3V3 out in 3V3 ENET1 J2 ENET1_RXD1 33 34 ENET1_TXD1 G2 ENET1 3V3 out ov POWER GND 35 36 GND POWER ov out 3V3 USB1 F6 USB_1_PWR_EN 37 38 USB_1_DM B8 USB1 5V bi in 3V3 USB1 D3 USB 1 OVERCURRENT i 40 USB_1_DP A8 USB1 5V bi out 3V3 USBO F5 USB 0 PWR EN 41 42 USB 0 DM A10 USBO 5V bi in 3V3 USBO D4 USB 0 OVERCURRENT C 44 USB 0 DP B10 USBO 5V bi ov POWER GND 45 46 GND POWER ov in 3V3 USBO J5 USB 0 ID 47 48 CANO RX L8 CANO 3V3 in in 3V3 CONFIG A11 PSWITCH 49 50 CANO_TX M8 CANO 3V3 out 10kQT bi 3V3 12C0 C7 12CO_SCL 51 52 I2C0 SDA D8 12C0 3V3 bi 10kQT out 3V3 SPDIF D7 SPDIF 53 54 GPIO2 9 D10 GPIO 3V3 bi out 3V3 I2S AUDIO E7 SAIFO_SDATAO 55 SJE SAIF1 SDATAO E8 I2S AUDIO 3V3 in bi 3V3 12S AUDIO F7 SAIFO BITCLK 57 58 SAIFO_LRCLK G6 I2S AUDIO 3V3 bi out 3V3 I2S AUDIO G7 SAIFO_MCLK 59 60 RESET A14 CONFIG 3V3 in 10kQT ov POWER GND 61 sy GND POWER ov in 3V3 Touch ADC C14 LRADC6 63 64 HSADCO B14 ADC 3V3 in in 3V3 Touch ADC D13 LRADC4 65 66 LRADC5 D15 Touch ADC 3V3 in in 3V3 Touch ADC C8 LRADC2 E E LRADC3 D9 Touch ADC 3V3 in in 3V3 ADC C15 LRADCO 69 70 LRADC1 C9 ADC 3V3 in 10kAT in 3v3 JTAG D12 JTAG TMS 71 72 JTAG TCK E11 JTAG 3V3 in 10kQT 10kQT in 3V3 JTAG E12 JTAG TDI 73 74 JTAG_TRST D14 JTAG 3V3 in 10kQT 4V2 POWER A15 Battery 75 76 JTAG RTCK E14 JT
20. 3 9 Starterkit interfaces X10 X14 X15 Almost every signal of the i MX28 has two or more functions at the Starterkit interfaces These can be taken from the i MX28 Reference Manual Attention TOMa28 pull up pull down resistors The signals at the Starterkit interfaces X10 X14 X15 are directly connected to the module connectors of the TOMa28 The pull up and pull down resistors on the TOMa28 are shown in Table 35 and Table 36 4 2 3 9 1 Starterkit interface X10 Table 56 Starterkit interface connector X10 Manufacturer Description e _ Header 2 54 mm Preferred manufacturer e 2x 20 pin e 55 Cto 105 C Table 57 Pin assignment Starterkit interface connector X10 Signal X10 Signal DGND 1 2 DGND 1588 EVENT2 OUT 3 4 1588 EVENT2 IN 1588 EVENT3 OUT 5 6 1588 EVENT3 IN AUART4 RX 7 8 AUART4 TX AUART4_RTS 9 10 AUART4_CTS SSP2_SCK 11 12 SSP2_MISO SSP2_MOSI 13 14 SSP2_SSO CANO_RX 15 16 12CO SDA CANO TX 17 18 12CO SCL SPDIF 19 20 SAIF1_SDATAO SAIFO_SDATAO 21 22 SAIFO_LRCLK SAIFO_BITCLK 23 24 SAIFO_MCLK VCC3V3 25 26 DGND LRADC6 27 28 HSADCO LRADCA 29 30 LRADC5 LRADC2 31 32 LRADC3 LRADCO 33 34 LRADC1 VCC5V 35 36 VCC12V VCC5V 37 38 VCC12V DGND 39 40 DGND Placement see Illustration 38 on page 61 Page 52 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 2 3 9 2 Starterkit interface X14 Table 58 Starterkit interfa
21. AG 3V3 out 10kQT 4V2 POWER A15 Battery 77 78 JTAG TDO E13 JTAG 3V3 out ov POWER GND 79 80 GND POWER ov User s Manual STK MBa28 UM 104 2013 by TQ Group Page 45 4 2 3 2 JTAG X16 Table 37 JTAG connector X16 Manufacturer number Description e Header2 54mm Samtec TSM 107 01 L DV e 2x7 pin The following table shows the configuration of the JTAG connector Table 38 Pin assignment JTAG connector X16 Remark Signal X16 Signal Remark VCC3V3 1 2 DGND JTAG_TRST 3 4 DGND Detachable via 0Q JTAG_TDI 5 6 NC Detachable via 0 Q JTAG_TMS 7 8 NC Optional via 0 O at MR_RESET Detachable via 0 Q JTAG TCK 9 10 NC JTAG TDO 11 12 NC DEBUG 13 14 NC Optional via 0 O at JTAG_RTCK Placement see Illustration 38 on page 61 4 2 3 3 LCD X22 X23 Table 39 LCD connectors X22 X23 Manufacturer number Description FPC connector 0 5 mm pitch Uu 50V IN 0 5 A Min 30 mating cycles 20 C to 85 C Yamaichi FPC 98210 4021 Page 46 m User s Manual STK MBa28 UM 104 2013 by TQ Group Table 40 Pin assignment LCD connectors X22 X23 PowerView Data Image Remark K22 1 DGND P Ground 2 DGND P Ground 3 _ PowerView NC PowerView 100 kQ 4 Data Image AD
22. C Not connected 36 NC Not connected User s Manual STK MBa28 UM 104 2013 by TQ Group Page 47 4 2 3 4 LCD backlight X5 X21 X24 Table 41 LCD backlight connector X5 Manufacturer number Description e Header 2 54 mm Harwin M20 8900405 EEN IN 3A 40 C to 105 C Table 42 Pin assignment LCD backlight connector X5 Pin Signal Type Remark 1 VCC12V P Power supply 12 V alternatively placement option 5 V 2 LCD_BKL_ON O GPIO from PCA9554D to switch the backlight 3 LCD_CONTRAST e Brightness 4 DGND P Ground Table 43 LCD backlight connectors X21 X24 Manufacturer number Description Crimp connector JST SMO2B BHSS 1 TB e Un 1400V In 1A e 25 C to 85 C Table 44 Pin assignment LCD backlight connectors X21 X24 Pin Signal Type Remark 1 VLEDA P Anode of LED backlight 2 VLEDC P Cathode of LED backlight 1 2 Illustration 32 Pinout of connectors X21 X24 Placement see Illustration 39 on page 62 Page 48 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 2 3 5 Touchscreen X2 X8 X20 Table 45 Touchscreen connector X2 Manufacturer Description e Header 2 54 mm Preferred manufacturer e 2x3 pin e In 1A e 40 C to 105 C Table 46 Pin assignment touchscreen connector X2 Remark Type Signal X2 Signal Type Remark Wire 5 O P Touch Ref SVB 1 2 Y VP Input bottom
23. D D06 N2 LCD 3V3 out out 3V3 LCD P1 LCD D07 LCD D08 P2 LCD 3V3 out out 3V3 LCD P3 LCD D09 4 LCD D10 R1 LCD 3V3 out out 3V3 LCD R2 LCD D11 6 LCD D12 TI LCD 3V3 out out 3V3 LCD m LCD_D13 8 LCD_D14 U2 LCD 3V3 out out 3V3 LCD U3 LCD D15 0 LCD D16 T3 LCD 3V3 out out 3V3 LCD R3 LCD D17 LCD D18 U4 LCD 3V3 out out 3V3 LCD T4 LCD_D19 4 LCD_D20 R4 LCD 3V3 out out 3V3 LCD u5 LCD_D21 6 LCD_D22 T5 LCD 3V3 out out 3V3 LCD R5 LCD_D23 8 GPIOO 24 R6 GPIO 3V3 bi 5V POWER VCC5V 40 GPIOO 6 U6 GPIO 3V3 bi 5V POWER VCC5V 4 GPIOO 27 P7 GPIO 3V3 bi ov POWER GND 44 GPIOO 4 T GPIO 3V3 bi ov POWER GND 46 GPIO3 6 K5 GPIO 3V3 bi bi 3V3 GPIO N9 GPIOO_17 48 GPIOO 26 P6 GPIO 3V3 bi bi 3V3 SD CARD U8 SD DO 0 GPIOO 7 T6 GPIO 3V3 bi bi 3V3 SD CARD R8 SD D2 GPIOO_16 N7 GPIO 3V3 bi bi 3V3 SD_CARD N8 SD_CMD 4 GPIOO 5 R7 GPIO 3V3 bi in 3v3 SD CARD L9 SD WP 6 SD DI T8 SD CARD 3V3 bi out 3V3 SD CARD P8 SD SCK 8 SD D3 U7 SD CARD 3V3 bi in 33 UART L4 AUART1_RX dM SD DETECT N6 SD CARD 3V3 in in 3V3 UART3 M5 AUART3 RX 6 AUARTI_TX K4 UART1 3V3 out out 3V3 UART3 K6 AUART3_RTS SA AUART3 TX L5 UART3 3V3 out in 3V3 CANI M9 CAN1 RX Jal AUART3 CTS amp L6 UART3 3V3 in out 3V3 CANT M7 CAN1 TX 68 PWM4 E10 PWM 3V3 out out 3V3 LCD PWM K8 LCD_BACKLIGHT_PWM 0 PWM3 E9 PWM 3V3 out out 3V3 DUART L7 DUART_T
24. Data pair 1 negative 14 DGND P Ground 15 LVDSO O Data pair 0 positive 16 LVDSO O Data pair 0 negative 17 DGND P Ground 18 DGND P Ground 19 VCC3V3 P Supply voltage 3 3 V alternatively 5 V 20 VCC3V3 P Supply voltage 3 3 V alternatively 5 V Placement see Illustration 39 on page 62 Page 50 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 2 3 7 Power On X19 Table 52 Power On connector X19 Manufacturer number Description Header 2 54 mm 1x 4 pin In 3A 55 C to 125 C Samtec TSM 104 01 LM SV P TR Table 53 Pin assignment power on connector X19 Pin Signal Type Remark 1 WAKEUP TOMa28 GPIO1 4 2 NC RFU 3 NC RFU 4 RFU P Ground Placement see Illustration 38 on page 61 4 2 3 8 Accumulator connector X7 Attention Destruction or malfunction Do not connect a battery only use lithium accumulators Reverse polarity of the accumulator can damage or destroy the device Attention must be paid to the correct polarity of the accumulator Table 54 Accumulator connector X7 Manufacturer number Description Header 1 25 mm Molex 53398 0271 e 1x2 pin 40 C to 85 C Table 55 Pin assignment accumulator connector X7 Pin Signal Type Remark 1 VCC_Battery P Accumulator VCC max 4 2 V 2 DGND P Accumulator Ground User s Manual STK MBa28 UM 104 2013 by TQ Group Page 51 4 2
25. ECIFICATION 6 1 Construction PCB outlines including mounting holes 6 1 1 PCB outlines STK MBa28 in au ssl 169 5 175 0 PCB outlines STK MBa28 Illustration 37 Attention Destruction or malfunction To avoid damages caused by mechanical stress the TOMa28 may only be extracted from the carrier board by using the extraction tool MOZIa28 2 5 mm should be kept free on the carrier board along the longitudinal edges on both sides of the module for the extraction tool MOZIa28 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 61 6 1 2 STK MBa28 top view Ehe mza ee oc r NAI HUEN la ZEZES 5555 BBBES bvso bviz o k gasie EL um BEES GO ai RUS pm 8 pr m E Sri Ra a a an ig 835 58 85 m EGO A x tuy Hs ons 8 o Illustration 38 STK MBa28 top view Page 62 User s Manual STK MBa28 UM 104 2013 by TQ Group 6 1 3 STK MBa28 bottom view D mag BBS mo wo SSS 8 Illustration 39 STK MBa28 bottom view User s Manual STK MBa28 UM 104 2013 by TQ Group Page 63 6 2 Requirements for the superior system 6 2 1 Protection against external effects The STK MBa28 is not protected against dust external impact and contact IPOO An adequate protection has to be guaranteed by the surrounding system 6 2 2 Thermal management The main heat sourc
26. J O Data Image LCD_CONTRAST PWM 4 40 PowerView Admatec VCC3V3 P Supply voltage Data Image VCC5V P 5 39 PowerView Admatec VCC3V3 P Supply voltage Data Image VCC5V P 6 38 PowerView Admatec VCC3V3 P Supply voltage Data Image VCC5V P 7 37 VCC3V3 P Supply voltage 8 H PowerView NC PowerView Not connected Data Image VCC3V3 P Data Image Supply voltage 9 35 DATA Enable Oo LCD OE 22 Q in series 10 34 DGND P Ground 11 32 DGND P Ground 12 30 DGND P Ground 13 29 Blue 5 Oo LCD D5 220 in series 14 28 Blue4 Oo LCD D4 220 in series 15 27 Blue 3 Oo LCD D3 22 Q in series 16 26 DGND P Ground 17 25 Blue 2 Oo LCD D2 22 Q in series 18 24 Blue 1 Oo LCD D1 220 in series 19 23 Blue 0 Oo LCD DO 220 in series 20 22 DGND P Ground 21 21 Green 5 O LCD_D11 22 O in series 22 20 Green 4 Oo LCD D10 22 O in series 23 19 Green 3 Oo LCD D9 220 in series 24 18 DGND P Ground 25 17 Green 2 Oo LCD D8 22 Q in series 26 16 Green 1 Oo LCD D7 22 Q in series 27 15 Green 0 Oo LCD D6 220 in series 28 14 DGND P Ground 29 13 Red 5 e LCD D17 22 Q in series 30 12 Red 4 Oo LCD D16 220 in series 31 11 Red 3 e LCD D15 22 Q in series 32 10 DGND P Ground 33 9 Red 2 e LCD_D14 22 Q in series 34 8 Red 1 e LCD D13 22 Qinseries 35 7 Red 0 e LCD D12 22 Q in series 36 5 DGND P Ground 37 4 DGND P Ground 38 3 DCLK e LCD SCLK 22 Q in series 10 pF 4 39 2 DGND P Ground 40 1 DGND P Ground 6 NC Not connected 31 NC Not connected 33 N
27. LCD LVDS ON Illustration 8 GPIO block diagram Page 14 User s Manual STK MBa28 UM 104 2013 by TQ Group Table 4 Mapping of the GPIOs Signal name at X1B l C base address O port Direction OUTO 0x20 100 0 OUT1 101 0 OUT2 102 O OUT3 103 0 OUT4 104 0 OUT5 105 0 OUT6 106 0 OUT7 107 0 INO 0x21 100 l IN1 101 l IN2 102 l IN3 103 l Signal name internally used USER_LED1 104 e USER LED2 105 0 LCD_BKL_ON 106 0 LCD_LVDS ON 107 O User s Manual STK MBa28 UM 104 2013 by TQ Group Page 15 4 1 1 7 USB 2 0 Hi Speed host X12A The USB host interface of the TQMa28 USB1 is routed directly to the USB A jack X12A including the protection circuit The over current protection is implemented with a Texas Instruments TPS2042B Illustration 9 USB host block diagram 4 1 1 8 USB 2 0 Hi Speed host X12B The USB OTG interface of the TQMa28 USBO is configured as host by default and cannot be connected to a PC as device To offer OTG functionality it is possible to assemble a USB Mini AB jack as a placement option However as a result both USB 2 0 Hi Speed interfaces fall away Illustration 10 USB OTG block diagram Page 16 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 1 9 Audio output right X27 and left X28 microphone input X13 The a
28. LCD_D12 R1 RO G4 D14 LCD_D13 R2 R1 G5 x D10 LCD D14 R3 R2 G6 10 kQ PD D11 LCD D15 R4 R3 G7 10 kQ PD DO LCD_D16 RA RO D1 LCD_D17 R5 R1 D2 LCD_D18 R2 D3 LCD D19 R3 D4 LCD_D20 R4 D6 LCD_D21 R5 D27 LCD_D22 R6 10 kQ PD D5 LCD_D23 R7 10 kQ PD The 10 kQ pull down resistors are located at the two most significant bits of RGB i MX28 can be looked up By that they are determined in 18 bit mode In the i MX28 Reference Manual the assignment of the RGB signals on the LCD bus of the Page 40 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 2 1 7 Power On X19 The PSWITCH pin of the CPU can be accessed via the power on interface Illustration 31 Power On block diagram 4 2 1 8 Accumulator connector X7 A lithium accumulator can be connected at this connector A battery may not be used The TOMa28 contains a charging circuit which charges the accumulator when the standard power supply 5 V is connected The accumulator buffers the TOMa28 4 2 1 9 Starterkit interfaces X10 X14 X15 In order to be able to use all applicable processor signals several headers are assembled on the STK MBa28 when it is used as a Starterkit Attention Destruction or malfunction The signals on the Starterkit interfaces are directly routed to the CPU No ESD measures are taken as these are internal interfaces User s Manual STK MBa28 UM 104 2013 by TQ Group Page 41 4 2 2 Elec
29. RR ee Power In X6 a eteeterererereetesesenesesesaosonenososooaososonouoseooononououosoononononouesoonononououoonononououooononononononoaonsn Internal interfaces Function specification Module interfaces X11 X17 DICHT AT EPI Cp X23 EH LCD backlight X5 X21 e Touchscreen X2 X8 X20 nini i 0003 seats saute eats eats nats eats nats nats eats nats eats eaten LVDS display X9 POWE OMO TI Accumulator connector X7 vereereeeereeneseenosoonosoonosoouosoouosoonosoonosnonosoououoonosoonosoonosoonouoonosoonoaoanoann Starterkit interfaces X10 X14 SIE User s Manual STK MBa28 UM 104 2013 by TQ Group Page iii Table of contents continued 4 2 2 Electricalcharac El 41 4 2 2 1 Module interface X11 X127 i EROR LEE 41 4 2 2 2 POWER EIDEM 41 4 2 2 3 Accumulator connector X7 ccccsccscsscscssesssscscssescsssscssesssscssssssssssssssessssssssscsssscssssssssscssssessssssssesesses 41 4 2 2 4 BEER 41 4 2 2 5 LCD X22 SEU 41 4 2 2 6 LCD backlight X5 X21 X24 4 2 2 6 1 Backlight power supply X5 4 2 2 6 2 LED driver X21 X24 42 4 2 2 7 Touchscreen X2 X8 X20 442 4 2 2 8 LVDS display DO eneen 42 4 2 2 9 Starterkit interfaces X10 X14 SIE 42 4 2 3 Connectors and pin assignment EENEG 42 4 2 3 1 REGED LACIE FON NO DU 42 4 2 3 2 nr cos om 45 4 2 3 3 E CD X22 CR 45 4 2 3 4 LCD backlight X5 X21
30. STK MBa28 User s Manual STK MBa28 UM 104 28 03 2013 User s Manual STK MBa28 UM 104 2013 by TQ Group Page i Table of contents 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 3 1 3 1 1 3 1 2 3 1 2 1 3 1 2 2 3 1 2 3 3 1 2 4 3 1 3 4 1 4 1 1 4 1 1 1 4 1 1 2 4 1 1 3 4 1 1 4 4 1 1 5 4 1 1 6 4 1 1 7 4 1 1 8 4 1 1 9 4 1 1 10 4 1 1 11 ABOUT THIS MANUAL 1 Copyright and licence expenses EEN 1 Registered trademarks m Disclaimer id Imprint n1 Symbols and typographic conventions ENEE 2 TIDS ON riis 3 Handling and ESD tips ENEE 3 NAMING os wai Further applicable documents presumed knowledge u Acronyms and definltons EEN BRIEF DESCRIPTION e m TECHNICAE DATA inire ERE re HREROM GME PHSHY HH VEHEHYRHEHVEHEHTPHEHTHHUHTPHEHTPHEH TER ER TERT saa 7 System architecture and system functionality EEN 7 Block diagram ees m Technical data electronics a7 External interfaces 8 Juge E 8 SOR S IMLETTACES cM EM 8 System components 8 Technical data mechanics design ELECTRONICS SPECIFICATION 9 External interfaces cccscssssssssessesssssesessessssssssssssssssessessesscssessessesscsecsecsessecseeseesessesaesacsaceseeseesesseeseeees 9 Function specification ENEE 10 Ethernet 1 X264 10 Ethernet 2 X26B 11 RS485 X324
31. TK MBa28 TQMa28 X17 DI 43 Pin assignment STK MBa28 TOMa28 X11 DO 44 JTAG connector E AT 45 Page vi User s Manual STK MBa28 UM 104 2013 by TQ Group Table directory continued Table 38 Table 39 Table 40 Table 41 Table 42 Table 43 Table 44 Table 45 Table 46 Table 47 Table 48 Table 49 Table 50 Table 51 Table 52 Table 53 Table 54 Table 55 Table 56 Table 57 Table 58 Table 59 Table 60 Table 61 Table 62 Table 63 Table 64 Table 65 Table 66 Table 67 Table 68 Table 69 Table 70 Table 71 Table 72 Table 73 Table 74 Pin assignment JTAG connector DIE eneen 45 EE lB continiectors X22 OE EEE ESEE E 45 Pin assignment LCD connectors X22 M23 46 LCD backlight connector DS 47 Pin assignment LCD backlight connector DS 47 LCD backlight connectors X21 NA 47 Pin assignment LCD backlight connectors X21 X24 47 Touchscreen connector X2 48 Pin assignment touchscreen connector X2 48 Touchscreen connector X8 48 Touchscreen connector X20 EE 48 Pin assignment touchscreen connectors X8 X20 essere 48 LVDS display connector DO EENEG 49 Pin assignment LVDS display connector X9 esssessescssecssecseccssecseecsscssesecstecsessueeesseess 49 Power On connector X19 eccccccsssssssscscscsssssssssscssssssssssssscssssssssscscsssssssesssscsssesssesscscsssssssss
32. X DUART_RX K7 DUART 3V3 in 10kQT bi 3V3 DCH H7 I2C1 SDA 4 I2C1 SCL H6 DC 3V3 bi 10kaT in 33 UARTO G5 AUARTO RX 34 AUARTO TX H5 UARTO 3V3 out out 3V3 UARTO J7 AUARTO_RTS SM AUARTO_CTS J6 UARTO 3V3 in ov POWER GND 80 GND POWER OV Page 44 m User s Manual STK MBa28 UM 104 2013 by TQ Group Table 36 Pin assignment STK MBa28 TOMa28 X11 X2 6 6 3 e 5 ov POWER GND 1 ya GND POWER ov out 3V3 1588 B1 1588 Event2 out 3 CaS 1588 Event2 in C1 1588 3V3 in out 3V3 1588 D1 1588_Event3_out 5 SM 1588 Event3 in E1 1588 3V3 in in 3V3 UART c2 AUART4 RX Tal Bi AUART4 TX A2 UART 3V3 out out 3V3 UART B2 AUART4 RTS 9 10 AUART4 CTS D2 UART 3V3 in out 3V3 SPI A3 SSP2 SCK 11 12 SSP2_MISO B3 SPI 3V3 in out 3V3 SPI c3 SSP2_MOSI 13 14 SSP2_SSO CA SPI 3V3 out out 3V3 ENET F3 ENET_FEC_RESET_B GE 16 DEBUG B9 CONFIG 3V3 in 10kQT ov POWER GND Ji 18 GND POWER ov out 3V3 ENET G4 ENET_MDC 19 20 ENET CLK E2 ENET 3V3 out bi 3V3 ENET H4 ENET MDIO 21 22 ENET_INT E3 ENET 3v3 in in 3V3 ENETO H1 ENETO RXDO 23 24 ENETO TXDO F1 ENETO 3v3 out in 3V3 ENETO H2 ENETO RXD1 25 26 ENETO_TXD1 F2 ENETO 3v3 out in 3V3 ENETO E4 ENETO RX EN ECH EE ENETO TX EN F4 ENETO 3V3 out in 3V3 ENET1 J3 ENET1_RX_EN
33. X22 X23 On the STK MBa28 the LCD bus of the TOMa28 is conditioned by a Texas Instruments driver 74LVC541 and routed to two FFC connectors placement option For EMC reasons every signal of the LCD bus is terminated with 22 O Illustration 27 LCD block diagram Table 31 LCD bus signals X22 X23 LCD bus 16 bit mode 18 bit mode LCD DOO BO BO LCD DO B1 B1 LCD D02 B2 B2 LCD D03 B3 B3 LCD D04 B4 B4 LCD D05 GO B5 LCD D06 G1 GO LCD D07 G2 G1 LCD_D08 G3 G2 LCD_D09 G4 G3 LCD_D10 G5 G4 LCD_D11 RO G5 LCD_D12 R1 RO LCD_D13 R2 R1 LCD_D14 R3 R2 LCD_D15 R4 R3 LCD_D16 R4 LCD_D17 R5 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 37 4 2 1 4 LCD backlight X5 X21 X24 As a placement option the STK MBa28 offers a driver for displays with LED backlight A Linear Technology LT3518 is used for this purpose A 12V supply of up to 2 A as well as the signals LCD BKL ON and LCD CONTRAST are available at another connector LCD BKL ON Illustration 28 LCD backlight block diagram In Table 4 on page 14 the mapping of the signal LCD BKL ON is described Page 38 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 2 1 5 Touchscreen X2 X8 X20 A touchscreen controller integrated in the i MX28 which uses the ADC inputs is made available on the STK MBa28 This allows connecting 4 or 5 wire touchscreens at the STK MBa28
34. and pin assignments 4 1 3 1 Ethernet 1 2 X26A B Table9 Ethernet connector 1 2 X26A B Manufacturer number Description Type 2 x RJ45 jack Eight contacts each LEDs green and yellow 40 C to 80 C Tyco 6368011 3 The following table shows the configuration of the Ethernet 1 2 connectors X26A B Table 10 Pin assignment Ethernet 1 2 connectors X26A B Pin Signal Type Remark 1 TX O Galvanically separated 2 TX O Galvanically separated 3 RX Galvanically separated 4 Termplane 75 Qin series AC coupled to DGND 5 Termplane Connected to pin 4 6 RX Galvanically separated 7 Termplane 75 Qin series AC coupled to DGND 8 Termplane Connected to pin 7 M DGND P Ground housing LED Link Activity Yellow shines when connection is established _ blinks if ENETX RX EN is active LED2 Speed Indicator Green shines only at a transmission of 100 Mbit Two LEDs are used for diagnosis of the interface Page 22 User s Manual STK MBa28 UM 104 2013 by TQ Group CONTACT NO CONTACT NO Illustration 14 Wiring of connector X26 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 23 4 1 3 2 RS485 X32A Table 11 RS485 connector X32A Manufacturer number Description e Dual standard D sub connector Yamaichi DDP 01151 e 9 pin male connector each e 55 Cto 105 C The following table sho
35. ce connector X14 Manufacturer Description e Header 2 54 mm Preferred manufacturer e 2x 20 pin e 55 C to 105 C Table 59 Pin assignment Starterkit interface connector X14 Signal X14 Signal DGND 1 2 DGND GPIOO 24 3 4 GPIOO 6 GPIOO 27 5 6 GPIOO 4 GPIO3 6 7 8 GPIOO 26 GPIOO 7 9 10 GPIOO 16 LM73 Alarm GPIOO 5 11 12 GPIO OVER TEMP GPIOO 17 GND 13 14 GPIO2 9 VCC3V3 15 16 VCC3V3 AUART1_RX 17 18 AUART1_TX AUART3_RX 19 20 AUART3_TX AUART3_RTS 21 22 AUART3_CTS CAN1_RX 23 24 CAN1_TX DGND 25 26 DGND PWM3 27 28 PWM4 DUART_TX 29 30 LCD_BACKLIGHT_PWM DGND 31 32 DUART_RX I2C1 SDA 33 34 I2C1 SCL VCC3V3 35 36 VCC3V3 DGND 37 38 DGND DGND 39 40 DGND Placement see Illustration 38 on page 61 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 53 4 2 3 9 3 Starterkit interface X15 Table 60 Starterkit interface connector X15 Manufacturer Description e Header254mm Preferred manufacturer e 2x20 pin e 55 Cto 105 C Table 61 Pin assignment Starterkit interface connector X15 Signal X Signal DGND 1 2 DGND LCD_DOTCLK B 4 LCD VSYNC DGND 5 6 LCD_HSYNC LCD_WR_RWN 7 8 DGND LCD_RESET 9 10 LCD_RS LCD_RD_E 11 12 LCD_ENABLE LCD_CS 13 14 LCD DOO LCD Do 15 16 LCD DO2 LCD D03 17 18 LCD D04 LCD D05 19 20 LCD D06 LCD D07 21 22 LCD DO8 LCD D09 23 24 LCD
36. e is the TOMa28 Information to the cooling of the TOMa28 is to be taken from his specification Page 64 User s Manual STK MBa28 UM 104 2013 by TQ Group 7 SAFETY REQUIREMENTS AND PROTECTIVE REGULATIONS 7 1 EMC requirements The assembly TOMa28 STK MBa28 is EMC tested in a TQ Blue IPC Current technical concepts were taken into consideration during the development to avoid or reduce EMC interference The STK MBa28 meets the following EMC rules and EMC standards EMC Interference radiation Measurement of the electrically radiated emission for standard residential commercial and light industrial environments in the range of 30 MHz to 1 GHz according to DIN EN 61000 6 3 respective DIN EN 55022 EMC Interference radiation Measurement of the electrically radiated emission for industrial environments in the range of 30 MHz to 1 GHz according to DIN EN 61000 6 4 respective DIN EN 55011 EMC Immunity according to EN 61000 4 2 Electrostatic discharge immunity ESD EMC Immunity according to EN 61000 4 35 Radiated radio frequency electromagnetic field immunity EMC Immunity to fast transients according to EN 61000 4 45 Electrical fast transient BURST EMC Immunity to surge according to EN 61000 4 5 Surge immunity test SURGE In DC networks an inlet length of less than 10 m is assumed For the audit a reference power supply has to be defined supplied Signal and I O lines gt 30 m must be checked for SURGE
37. e years Connectors of middle grade are used which guarantee at least 100 mating cycles 8 3 Displays The display manufacturers permit a number of pixel defects These vary depending on the manufacturer and type of display The permissible error of the pixel display manufacturers warranty claims are usually set very high Pixel errors in the display are allowed by TQ Systems GmbH Page 66 User s Manual STK MBa28 UM 104 2013 by TQ Group 8 4 Environment protection By environmentally friendly processes production equipment and products we contribute to the protection of our environment To be able to reuse the product it is produced in such a way a modular construction that it can be easily repaired and disassembled No use of PCB containing capacitors and transformers polychlorinated biphenyls These points are an essential part of the following laws e The law to encourage the circular flow economy and assurance of the environmentally acceptable removal of waste as at 27 9 94 source of information BGBI 1994 2705 e Regulation with respect to the utilization and proof of removal as at 1 9 96 source of information BGBI 1996 1382 1997 2860 e Regulation with respect to the avoidance and utilization of packaging waste as at 21 8 98 source of information BGBI 1998 2379 e Regulation with respect to the European Waste Directory as at 1 12 01 source of information BGBI 2001 3379 This information is
38. ees 50 Pin assignment power on connector X19 eene 50 Accumulator connector X7 vrreereeeereeseneonosoooonoooosoooonoooonoooonoooouoonosoonosoooosoonosooosooosoonosoonsun 50 Pin assignment accumulator connector X7 450 Starterkit interface connector DO 451 Pin assignment Starterkit interface connector X10 451 Starterkit interface connector DIANA 52 Pin assignment Starterkit interface connector X14 ees 52 Starterkit interface connector DIS 53 Pin assignment Starterkit interface connector X15 sees 53 Reset push button S2 sseessesssssecssecssecsssecssecssessucecssecssecsssecssecsuccssecsasecssecsucesaceeaeecsueeseeessseess 54 External status LEDs NZ 55 Overview exteinalil EID St oom PEE E 55 Overview internal LEDS ENEE 56 DIP switch S1 DIP switch S3 DIP switch S4 ged NIE E Boot mode OPTIONS EEN 57 hee E EE 58 tential power EE 58 Reset trigger level and voltage supervlslon EEN 59 Further applicable documents 67 Illustration directory Illustration 1 Illustration 2 Illustration 3 Illustration 4 Illustration 5 Illustration 6 Illustration 7 Illustration 8 Illustration 9 Illustration 10 Illustration 11 Illustration 12 Illustration 13 Illustration 14 Illustration 15 Illustration 16 Illustration 17 Illustration 18 Illustration 19 Illustration 20 Illustration 21 Illustration 22 Illustration 23 Illustration 24
39. he LCD interface can be looked up in the i MX28 Reference Manual ESD protection 5 kV human body model 4 2 2 9 Starterkit interfaces X10 X14 X15 All signals at the Starterkit interfaces are 3 3 V compatible More information can be found in 2 4 2 3 Connectors and pin assignment 4 2 3 1 Receptacle for module Table 34 Receptacle for module Manufacturer number Description Connector 80 pin Stack height 5 mm Umax 100 V Imax 0 5 A 100 mating cycles Tyco X11 X17 5177986 3 The configuration of the module connectors is shown in the following tables The signal direction is described from the perspective of the TOMa28 User s Manual STK MBa28 UM 104 2013 by TQ Group Ta Page 43 Table 35 Pin assignment STK MBa28 TQMa28 X17 X1 e le Q O 00 O e d S a e CH ov POWER GND GND POWER OV out 3V3 LCD N1 LCD DOTCLK 7 LCD VSYNC LI LCD 3V3 out ov POWER GND JM LCD HSYNC Mi LCD 3V3 out out 3V3 LCD Ki LCD WR RWN 8 GND POWER OV out 3V3 LCD M6 LCD RESET 0 LCD RS M4 LCD 3V3 out out 3V3 LCD P4 LCD RD E LCD ENABLE N5 LCD 3V3 out out 3V3 LCD P5 LCD CS 4 LCD DOO K2 LCD 3V3 out 10kQ T 10kOl out 3V3 LCD K3 LCD DO1 6 LCD D02 L2 LCD 3V3 out 10kQL 10kQT out 3V3 LCD 13 LCD D03 8 LCD D04 M2 LCD 3V3 out 10kO 1 out 3V3 LCD M3 LCD D05 0 LC
40. he functionalities of the Starterkit STK MBa28 this carrier board forms together with the TOMa28 a modular system to develop own product ideas 3 TECHNICAL DATA 3 1 System architecture and system functionality 3 1 1 Block diagram LCD Bus VCC BATTERY dass ain aio Illustration 1 STK MBa28 block diagram 3 1 2 Technical data electronics The interfaces and system components listed in the following are implemented on the STK MBa28 Due to the fact that the STK MBa28 can be installed in a casing the interfaces are divided into external and internal interfaces Page 8 3 L 3 1 2 4 User s Manual STK MBa28 UM 104 O 2013 by TO Group External interfaces 2x Ethernet 10 100 Mbit 1 x RS485 1 x RS232 2x CAN 1 x USB 2 0 Hi Speed host interface 1 x USB 2 0 Hi Speed host interface On the Go capable 1 x GPIO 8 x OUT 4 x IN 1x SD card 2 x Audio output 1 x Microphone input 1 x Power supply Internal interfaces 1 x TQMa28 1x JTAG 2 x LCD model dependent 2 x LCD backlight model dependent 3 x touchscreen model dependent 1 x LCD via LVDS optional 1 x Power On push button 3 x Headers for specific extensions Connector for accumulator User s interfaces 1 x Reset push button 3 x Status LED external User LED 1 User LED 2 Power LED 4 x Status LED internal Reset LED USB_OC LED 1 USB_OC LED 2 front Power LED 4 x DIP switch Buzzer System components Te
41. ically separated part of the CAN interface Microchip MCP2551T I SN is used as CAN transceivers Illustration 7 CAN block diagram The pinout of D sub connector X1A can be found in section 4 1 3 4 on page 25 The CAN signals can be terminated with 120 O by using DIP switch S1 see Table 66 on page 56 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 13 4 1 1 6 GPIO X1B Eight GPIO outputs are made available via a high side driver VN808CM E and four GPIO inputs are directly made available at an external connector A voltage of 24 V 20 96 at the GPIO connector serves as the power supply As placement option the supply voltage of the STK MBa28 can alternatively be used as the power supply In this case the user has to ensure the correct level of the input voltage Two NXP PCA9554D 8 bit FC bus I O port circuits generate the GPIOs This circuit offers eight bidirectional GPIO ports which can drive and sink 10 mA The PC addresses of both lC UO ports are listed in section 4 4 2 on page 58 The basic circuit of the GPIO connection on the STK MBa28 is shown in Illustration 8 The remaining four I O ports are used to drive two user LEDs yellow and red at V77 to switch on the backlight via connector X5 and to switch on the LVDS transmitter LVDS display The pinout of D sub connector X1B can be found in section 4 1 3 5 on page 26 USER LED1 USER LED2 LCD BKL ON
42. le 19 USB host connector X12A Manufacturer number Description Dual USB jack type A Un 30V AC rms In 1A Umax 500 V AC for 1 minute 55 C to 85 C Yamaichi USB A 002A The following table shows the configuration of the USB host interface connector Table 20 Pin assignment USB host connector X12A Pin Signal Type Remark 1 VBUS P 5 V supply current limitation to 0 5 A 100 uF 2 DM 1 0 Negative differential data line 3 DP 1 0 Positive differential data line 4 DGND P Ground M DGND P Ground housing Illustration 19 Wiring of connector X12A Page 28 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 3 7 USB 2 0 Hi Speed host X12B Table 21 USB connector X12B Manufacturer number Description Dual USB jack type A Un 30V AC rms In 1A Umax 500 V AC for 1 minute 55 C to 85 C Yamaichi USB A 002A The following table shows the configuration of the USB host interface connector Table 22 Pin assignment USB host connector X12B Pin Signal Type Remark 1 VBUS P 5 V supply current limitation to 0 5 A 100 uF 2 DM WO Negative differential data line 3 DP 1 0 Positive differential data line 4 DGND P Ground M DGND P Ground housing Illustration 20 Wiring of connector X12B The USB OTG interface is configured as host by default and cannot be connected to a PC as device To offer OTG functi
43. llustration 22 Wiring of connector X13 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 31 4 1 3 10 SD card X4 Table 27 SD card connector X4 Manufacturer number Description e SDcard and MMC reader Yamaichi FPS009 2405 0 e 10 000 mating cycles e Umax 500 V AC for 1 minute The following table shows the configuration of the SD card connector Table 28 Pin assignment SD card connector X4 Pin Signal Type Remark 1 DAT3 1 0 Data line 3 100 kO PU 2 CMD 1 0 Command response Signal 3 DGND P Ground 4 VCC3V3 P 3 3 V supply 5 CLK Clock input 50 MHz 6 DGND P Ground 7 DATO 1 0 Data line 0 100 kO PU 8 DAT1 1 0 Data line 1 100 kO PU 9 DAT2 1 0 Data line 2 100 kO PU CD CD Card Detect 10 kO PU WP WP Write Protect 10 kO PU COM DGND P Ground Illustration 23 Wiring of connector X4 Page 32 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 3 11 Power In X6 Table 29 Power In connector X6 Manufacturer number Description Basic package 5 08 mm pitch 2 pin Un 250V In 12A Phoenix Contact MSTBA 2 5 2 G 5 08 The following table shows the configuration of the 15 30 V power supply connector Table 30 Pin assignment power in connector X6 Pin Signal Type Remark 1 VCC24V P Input supply voltage 2 GND P Ground Illu
44. lock diagram m Pinout of connectors X21 NA 47 Buzzer block diagram ENEE 54 LED block diagram ENEE 55 Internal power supply block dagram EEN 58 Voltage supervision reset block diagram see 59 PCB outlines STK MBa328 eene tenente tenen ttnnntennnttnnntennnn 60 STKsSMBa28 RI CMRU 61 STIGMBa28 bottom VIEW isiikasseiesssoosasasasssvonasasossavasosasosoooasoooosososasoooosssossssoonssosoasasasosss 62 Page viii User s Manual STK MBa28 UM 104 2013 by TQ Group Revision history Rev Date Name Pos Modification 100 23 05 2011 Petz Document created 101 14 07 2011 Petz Illustration 34 Replaced Table 33 Order code revised Table 35 Pin assignment revised 102 11 11 2011 Petz All Completely revised 103 24 05 2012 Petz Table 36 Typo corrected LDADC4 LRADC4 Table 36 Negation removed USB 0 PWR EN USB 1 PWR EN Section 5 Link to Wiki added 104 28 03 2013 Petz 4 1 1 1 Info concerning pull up and pull down resistors added All Signal description of SD_WP and SD_DETECT corrected User s Manual STK MBa28 UM 104 2013 by TQ Group Page 1 1 ABOUT THIS MANUAL 1 1 Copyright and licence expenses Copyright protected 2013 by TQ Systems GmbH This User s Manual may not be copied reproduced translated changed or distributed completely or partially in electronic machine readable or in an
45. mperature sensor Internal power supply Voltage supervision and reset concept PC bus 3 1 3 Technical data mechanics design Dimensions PCB W x D x H 175 x 120 x 2 mm Overall dimensions W x D x H 175 x 130 x 32 mm app Weight 248g User s Manual STK MBa28 UM 104 2013 by TQ Group Page 9 4 ELECTRONICS SPECIFICATION 4 1 External interfaces X28 X13 X27 V77 X1A X12B X26B X32B 2 X6 X4 X1B X12A X26A X32A Illustration 2 External interfaces of the STK MBa28 Page 10 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 1 Function specification 4 1 1 1 Ethernet 1 X26A The TOMa28 directly drives the Ethernet 1 interface The SMSC LAN8720A is used as PHY IEEE1588 frames are supported The 1588 signals are accessible at connector X10 see 4 2 3 9 1 Illustration 3 Ethernet 1 block diagram The LAN8720A offers the following modes Table 3 LAN8720A modes Function Remark 000 10BASE T Half duplex autonegotiation off 001 10BASE T Full duplex autonegotiation off 010 10BASE TX Half duplex autonegotiation off 011 100BASE TX Full duplex autonegotiation off 100 100BASE TX Half duplex start autonegotiation on 101 100BASE TX Repeater mode half duplex start autonegotiation on 110 Power down Information in data sheet 111 ALLcapable No determination autonegotiation on mode is preset in hardware This table does not replace the data shee
46. nd the use of the device User s Manual STK MBa28 UM 104 2013 by TQ Group Page 5 1 10 Acronyms and definitions The following acronyms and abbreviations are used in this document Table 2 Acronyms Acronym Meaning AC Alternating Current AD Address Data AD Air Discharge ADC Analog Digital Converter ARM Advanced RISC Machine BIOS Basic Input Output System CAN Controller Area Network CD Card Detect CD Contact Discharge CPU Central Processing Unit DC Direct Current DIN Deutsche Industrie Norm DIP Dual In line Package DUART Dual Universal Asynchronous Receiver Transmitter EEPROM Electrically Erasable Programmable Read Only Memory Byte wise re writable EGB Elektrostatisch Gef hrdete Bauelemente EMC Electromagnetic Compatibility eMMC Embedded MultiMediaCard Flash EN Europ ische Norm ESD Electrostatic Discharge FET Field Effect Transistor FFC Flat Flex Cable GPI General Purpose Input GPIO General Purpose Input Output GPO General Purpose Output 1 0 Input Output VP Input Power IEEE Institute of Electrical and Electronics Engineers IPOO Ingress Protection 00 PC Inter Integrated Circuit PS Inter Integrated Circuit Sound JTAG Joint Test Action Group Page 6 User s Manual STK MBa28 UM 104 2013 by TQ Group Table 2 Acronyms continued Acronym Meaning
47. ntion Destruction or malfunction Due to three physically identical 9 pin male D sub connectors there is the danger of confusion between RS232 RS485 and CAN The exact arrangement of the interfaces is shown in Illustration 2 on page 9 Page 26 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 3 5 GPIO X1B Table 17 GPIO connector X1B Manufacturer number Description Dual Standard D sub connector socket Top 9 pin male connector Bottom 15 pin female socket 55 C to 85 C Yamaichi DDPXR E9P E15S C4N CT The following table shows the configuration of the GPIO connector Table 18 Pin assignment GPIO connector X1B Pin Signal Type Remark 1 INO Input 0 2 IN1 Input 1 3 IN2 l Input 2 4 IN3 Input 3 5 DGND P Ground Supply input for the outputs Kate ji see Table 6 Electrical characteristics of the GPOs 7 DGND P Ground 8 OUT7 e Output 7 9 OUT6 e Output 6 10 OUT5 e Output 5 11 OUT4 e Output 4 12 OUT3 e Output 3 13 OUT2 e Output 2 14 OUTI e Output 1 15 OUTO e Output 0 M DGND P Ground housing Illustration 18 Wiring of connector X1B Attention Destruction or malfunction The 15 pin HD D sub female socket for GPIO X1B looks like a VGA monitor output No monitor may be connected there User s Manual STK MBa28 UM 104 2013 by TQ Group Page 27 4 1 3 6 USB 2 0 Hi Speed host X12A Tab
48. onality it is possible to provide a USB Mini AB jack or Mini B as a placement option However as a result the USB 2 0 Hi Speed interface falls away 3 Itis possible to offer OTG functionality by placement option The 2 USB then falls away User s Manual STK MBa28 UM 104 2013 by TQ Group Page 29 4 1 3 8 Audio output right X27 left X28 Table 23 Audio output right X27 and left X28 Manufacturer number Description e RCA phono jack Kycon KLPX 0848A 2 B e Umax 500 V AC for 1 minute e 25 C to 85 C The following table shows the configuration of the audio output connectors Table 24 Pin assignment audio output right X27 and left X28 Pin Signal Type Remark 1 AGND P Ground 2 OUT R L AO Analog audio output right left AO Illustration 21 Wiring of connectors X27 and X28 Page 30 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 3 9 Microphone input X13 Table 25 Microphone connector X13 Manufacturer number Description e 35mm stereo jack Yamaichi AJ330 4T SMT e 5 000 mating cycles e Umax 500 V AC for 1 minute The following table shows the configuration of the microphone input connector Table 26 Pin assignment microphone connector X13 Pin Signal Type Remark 1 AGND P Ground 2 AGND P 22 kQ in series ground 3 MIC IN Al Analog microphone input 4 NC Not connected 1 3 eee n 5 2 I
49. rview of the function groups of the power supply EE 20 Ethernet connector 1 2 X2GA B ssssssssssessessessessessessessessessessesscsscsscsessessesseeseescesessesseeseeeeeses Pin assignment Ethernet 1 2 connectors X26A B p RS485 connector X32A vetereeseroneorosoooonononosouoooouononososoooonononososoaoooonononososoooononosososooooonosonone Pin assignment RS485 connector D32A EEN RS232 ll geld ERIC Pin assignment RS232 connector X32B EEN CAN 1 and CAN 2 connector DAIN Pin assignment CAN 1 and CAN 2 connector X14 GPIO connector X1B see Pin assignment GPIO connector X1B avarierersereresasssonsasnoonsassonsassonsasnsonsasoonnoann USB host connector X12A aveteereesonoasonoasonoasonoaoonoaoonoaoonoaoonoanonoaonoaoonoanonoaonoaonoanasoananoansn Pin assignment USB host connector X124 USB connector X12B eene Pin assignment USB host connector X12B Audio output right X27 and left NO ENEE Pin assignment audio output right X27 and left X28 een 29 Microphone connector X13 sse 30 Pin assignment microphone connector X13 30 SD card connector DA 31 Pin assignment SD card connector DA 31 Power In connector D een 32 Pin assignment power in connector X6 een 32 LED bussignalii A2 AII oen E N aaa nana anan 36 Touchscreen connectors X2 X8 X20 Allocation of RGB signals on LVDS Ines EEN 39 Receptacle for module EENEG 42 Pin assignment S
50. stration 24 Wiring of connector X6 User s Manual STK MBa28 UM 104 2013 by TQ Group Page 33 4 2 Internal interfaces jou Pa arn Illustration 25 Internal and external interfaces top side Page 34 User s Manual STK MBa28 UM 104 2013 by TQ Group eae a ee Py LN og Illustration 26 Internal and external interfaces bottom side User s Manual STK MBa28 UM 104 2013 by TQ Group Page 35 4 2 1 Function specification 4 2 1 1 Module interfaces X11 X17 The module interface of the TOMa28 on which the module is plugged consists of two connectors Connector X11 on the STK MBa28 connects to module connector X2 of the TOMa28 Connector X17 on the STK MBa28 connects to module connector X1 of the TOMa28 Attention Destruction or malfunction To avoid damages caused by mechanical stress the TQMa28 may only be extracted from the carrier board by using the extraction tool MOZIa28 2 5 mm should be kept free on the carrier board along the longitudinal edges on both sides of the module for the extraction tool MOZIa28 4 2 1 2 JTAG X16 The CPUs JTAG interface on the TOMa28 is routed directly to a 2 54 mm pitch header on the STK MBa28 Attention Destruction or malfunction The JTAG signals at the connector are directly routed to the CPU No ESD measures are taken as it is an internal interface Page 36 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 2 1 3 LCD
51. t of the LAN8720A Suitable 10 kO pull up or pull down resistors at the mode pins have to be placed on the carrier board User s Manual STK MBa28 UM 104 2013 by TQ Group Page 11 4 1 1 2 Ethernet 2 X26B The TOMa28 directly drives the Ethernet 2 interface The SMSC LAN8720A is used as PHY Illustration 4 Ethernet 2 block diagram 4 1 1 3 RS485 X32A The AUARTO of the TOMa28 drives the RS485 interface of the STK MBa28 The optocouplers Avago HCPL0631 and HCPL0601 are used for galvanic separation The Recom RSS 0505 HP serves as the power supply for the galvanically separated part of the RS485 interface The Exar SP491EEN L is used as RS485 transceiver Illustration 5 RS485 block diagram The RS485 signals can be terminated with 120 O with either DIP switch S3 or cable sided by bridging pins 8 9 RxD and 1 7 TxD Details can be found in Table 67 on page 56 Page 12 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 1 4 RS232 X32B The AUART3 interface of the TOMa28 drives the RS232 interface of the STK MBa28 by default The Exar SP3222bEA L is used as a driver Illustration 6 RS232 block diagram 4 1 1 5 CAN 1 CAN 2 X1A The two CAN ports of the TOMa28 directly drive both CAN interfaces on the STK MBa28 Optocouplers of type Avago HCPL0601 are used for galvanic separation The Recom RTS 0505 P serves as the power supply for the galvan
52. tage regulator indicates power good USER_LED1 USER_LED2 POWER Illustration 34 LED block diagram For the control of the LEDs see Table 4 on page 14 Page 56 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 3 4 Status LEDs internal V22 V24 V25 V46 Internal LEDs are available to display other functions or status messages The functions of the LED displays are listed in the following table Table 65 Overview internal LEDs LED Colour Function display V22 Blue Power On Voltage VCC5V is OK V24 Red Over current at the USB host interface V25 Red Over current at the USB host interface V46 Green Reset to module is active 4 3 5 DIP switches S1 S3 S4 S5 Attention TOMa28 pull up pull down resistors Some signals at the DIP switches S3 4 and S5 are directly connected to the module connectors of the TOMa28 The pull up and pull down resistors on the TOMa28 are shown in Table 35 and Table 36 The STK MBa28 possesses four DIP switches The respective functions are listed in the following tables Table 66 DIP switch S1 Switch ON OFF default S1 1 Termination CANT 120 0 CAN1 not terminated S1 2 Termination CAN2 120 0 CAN2 not terminated 1 3 Slew rate configuration for CAN1 disabled Slew Rate can be altered by assembling R282 51 4 Slew rate configuration for CAN2 disabled Slew Rate can be altered by assembling R281
53. to be seen as notes Tests or certifications were not carried out with respect to that 8 5 RoHS compliance The STK MBa28 is manufactured RoHS compliant TO Systems GmbH issues the RoHS conformity declaration 8 6 WEEE regulation TQ Systems GmbH which markets the product is responsible for the observance of the WEEE regulation 8 7 Accumulator The lithium accumulator which is necessary to buffer the RTC is not in the scope of delivery and must be purchased by the user For this accumulator the environmental regulations are to be applied accordingly User s Manual STK MBa28 UM 104 2013 by TQ Group Page 67 9 APPENDIX 9 1 References Table 74 Further applicable documents No Wu Date Company 1 i MX28 MCIMX Reference Manual MCIMX28RM 2010 Rev 1 Freescale 2 TQMa28 UM 104 pdf 28 03 2013 TO Systems TQ Systems GmbH MuhlstraBe 2 Gut Delling 82229 Seefeld info tq group com www tq group com Technology in Quality
54. trical characteristics 4 2 2 1 Module interface X11 X17 Power supply voltage 5V USB pin voltage 5V Signal level voltage 3 3 V 4 2 2 2 Power On PSWITCH See 2 4 2 2 3 Accumulator connector X7 Final charging voltage Max 4 2 V Charging current Max 400 mA Preferred type of accumulator Lithium accumulator Module power consumption See 2 4 2 2 4 JTAG X16 Signal level voltage 3 3V More information can be found in 2 4 2 2 5 LCD X22 X23 Type of interface RGB 18 bit Control signals Clock Data enable Configuration The configuration of the LCD interface can be looked up in the i MX28 Reference Manual The following displays are supported by the STK MBa28 e PowerView TO70W2D2 e Datalmage FG0700K5DSSWBGO01 e Admatec NLC800T70D480CTMK Page 42 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 2 2 6 LCD backlight X5 X21 X24 4 2 2 6 1 Backlight power supply X5 Type Buck regulator Voltage 12V Currentmac 2A 4 2 2 6 2 LED driver X21 X24 Output current 200 mA app 10 V The LED driver is designed for the supported displays Admatec PowerView 4 2 2 7 Touchscreen X2 X8 X20 Interface on module LADC Interface touchscreen 4 wire 5 wire ESD protection 15 kV AD 8 kV CD 4 2 2 8 LVDS display X9 Type of interface LVDS 18 bit 24 bit Differential pairs 3 x data 1 x clock Control signals Clock HSYNC VSYNC and DRDY Configuration The configuration of t
55. udio functionality is implemented with a Freescale SGTL5000 on the STK MBa28 Illustration 11 Audio block diagram The headphone signals HP_L R can be switched off and the line out signals can be switched on at the cinch sockets as a placement option The SGTL5000 can be accessed via lC base address OKOA 4 1 1 10 SD card X4 The external SD card is connected to the SD CARD bus of the TOMa28 Illustration 12 SD card block diagram 4 1 1 11 Power In X6 For protective and EMC reasons the supply input of the STK MBa28 is designed very robustly Illustration 13 Power In block diagram User s Manual STK MBa28 UM 104 2013 by TQ Group Page 17 4 1 2 Electrical characteristics 4 1 2 1 Ethernet 1 X26A Type of media Signal characteristic Status LEDs Modes Interface on module 4 1 2 2 Ethernet 2 X26B Type of media Signal characteristic Status LEDs Modes Interface on module 4 1 2 3 RS485 X32A Transfer rate Interface on module Handshake Signal characteristic ESD protection 4 1 2 4 RS232 X32B Transfer rate Interface on module Handshake Signal characteristic ESD protection 4 1 2 5 CAN 1 CAN 2 X14 Transfer rate Interface on module Signal characteristic ESD protection 10 100 Mbit Compatible with the IEEE 802 3 standard 2 MDI Auto MDIX RMII ENETO 10 100 Mbit Compatible with the IEEE 802 3 standard 2 MDI Auto MDIX RMII ENET1
56. ws the configuration of the RS485 connector Table 12 Pin assignment RS485 connector X32A Pin Signal Type Remark 1 RS485_Y O Non inverted output galvanically separated 2 NC Not connected 3 NC Not connected 4 RS485 A Non inverted input galvanically separated 5 GND_S2 P Ground galvanically separated 6 RS485_Z O Inverted output galvanically separated 7 120R_TX Bridge to pin 1 for 120 Q termination 8 120R_RX Bridge to pin 9 for 120 Q termination 9 RS485_B l Inverted input galvanically separated M DGND P Ground housing Illustration 15 Wiring of connector X32A Attention Destruction or malfunction Due to three physically identical 9 pin male D sub connectors there is the danger of confusion between RS232 RS485 and CAN The exact arrangement of the interfaces is shown in Illustration 2 on page 9 Page 24 User s Manual STK MBa28 UM 104 2013 by TQ Group 4 1 3 3 RS232 X32B Table 13 RS232 connector X32B Manufacturer number Description e Dual Standard D sub connector Yamaichi DDP 01151 e 9 pin male connector each e 55 Cto 105 C The following table shows the configuration of the RS232 connector Table 14 Pin assignment RS232 connector X32B Pin Signal Type Remark 1 NC Not connected 2 RS232 RXD l Receive Data 3 RS232_TXD O Transmit Data 4 NC Not connected 5 DGND P Ground 6 NC
57. y other form without the written consent of TO Systems GmbH The drivers and utilities for the used components as well as the BIOS are subject to the copyrights of the respective manufacturers The licence conditions of the respective manufacturer are to be adhered to Bootloader licence expenses are paid by TQ Systems and are included in the price Licence expenses for the operating system and applications are not taken into consideration and must be separately calculated declared 1 2 Registered trademarks TQ Systems GmbH aims to adhere to the copyrights of all the graphics and texts used in all publications and strives to use original or license free graphics and texts All the brand names and trademarks mentioned in the publication including those protected by a third party unless specified otherwise in writing are subjected to the specifications of the current copyright laws and the proprietary laws of the present registered proprietor without any limitation One should conclude that brand and trademarks are rightly protected by of a third party 1 3 Disclaimer TQ Systems GmbH does not guarantee that the information in this manual is up to date correct complete or of good quality Nor does TQ Systems assume guarantee for further usage of the information Liability claims against TQ Systems GmbH referring to material or non material related damages caused due to usage or non usage of the information given in the manual or due to usage

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