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1. Two LEDs are used for diagnosis of the interface Page 22 User s Manual STK MBa28 UM 102 2011 by TQ Group CONTACT NO d i a I B a d a T a A CONTACT NO I Illustration 14 Wiring of X26 User s Manual STK MBa28 UM 102 2011 by TO Group Page 23 4 1 3 2 RS485 X324 Table 11 Plug connector RS485 X324 Manufacturer Description Yamaichi e Dual standard D sub connector DDP 01151 e 9 pin male connector plug each e 55 Cto 105 C The following table shows the configuration of the plug connector for RS485 Table 12 Pin assignment plug connector RS485 X324 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 Inverted input galvanically separated M DGND P Ground housing Illustration 15 Wiring of X32A Attention Destruction or malfunction Due to three physically identical 9 pin male D sub connector plugs 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 Man
2. Improper handling of your TO 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 Page4 User s Manual STK MBa28 UM 102 2011 by TQ Group 1 8 Naming of signals A hash mark 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 m
3. S e z E amp OV POWER GND 1 2 GND POWER OV out 3V3 1588 B1 1588 Eveng our EM WA 1588 Even in C1 1588 3V3 in out 3V3 1588 D1 1588_Event3_out a 1588_Event3_in E1 1588 3V3 in in 3V3 UAR C2 AUARTA RX EB BH AUARTATX A2 UART 3V3 out out 3V3 UART B2 AUART4 RTS JM ZIR AUARTACTS D2 UART 1303 in out 3V3 SPI A3 SSP2 SCK DE EP ssowso B3 SPI 3V3 in out 3V3 SPI G SSP2 MOSI Eu EB sspa sso ca SPI 3V3 out out 3V3 ENET F3 ENET FEC RESET Be BEM RE DEBUG B9 CONFIG 3V3 in 10kQT OV POWER GND EB ED GND POWER OV out 3V3 ENET G4 ENET MDC D EM EN ak 2 ENET 3V3 out bi 3V3 ENET Ha ENET MDIO I S ENET INT E3 ENET 3v3 in in 3V3 ENETO H ENETO_RXDO MEN PR ENETO TXDO F1 ENETO 3v3 out in 3V3 ENETO H2 ENETO RXDI P Ej ENETO TXDI F2 ENETO 3v3 out in 3V3 ENETO E4 ENETO RX EN yal ME ENETO TXEEN FA ENETO 3V3 out in 3V3 Ener 33 KENET RX EN ZR SYR ENETL TXEN Ja ENET 3V3 out in 3V3 ENTI Jl ENETI_RXDO fem EE ENETI_TXDO Gi ENETI 3V3 out in 33 ENE J2 ENET1_RXD1 EES fem ENETILTXD1 G2 ENETI 3V3 out ov POWER GND ES EJ GND POWER OV out 3V3 USB1 F6 USB_1_PWREN Erd e USB1DM B8 USBI 5V bi in 3V3 USBI D3 USB 1 OVERCURRENT EJ O USB1 DP Ag USBI 5V bi out 3V3 USBO F5 USB_O_PWREN XM EE USBO DM Ao USBO 5V bi in 3V3 USBO D4 USB O OVERCURRENTC EZ UsBo DP Bi0 USBO SV bi OV POWER GND as 46 GND PO
4. 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 102 2011 by TO Group Page 41 4 2 2 Electrical characteristics 4 2 2 1 Module interface X11 X17 Power supply voltage 5V USB pin voltage 5V Signal level voltage 3 3V 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 Data Im
5. ESD Electrostatic Discharge FET Field Effect Transistor FFC Flat Flex Cable GPI General Purpose Input GPIO General Purpose Input Output GPO General Purpose Output VO Input Output NS 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 102 2011 by TQ Group Table 2 Acronyms continued Meaning Liquid Crystal Display LED Light Emitting Diode LS Low Speed USB 1 5 Mbit s LSB Least Significant Bit LVDS Low Voltage Differential Signal MB Main board 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 gt Programmable Logic Controller PLC STK Starterkit THD N Total Harmonic Di
6. 2 X1A Pin Signal Type Remark 1 CANL 2 VO CAN Low Level I O of CAN 2 galvanically separated 2 CANL 1 VO CAN Low Level I O of CAN 1 galvanically separated 3 GND CAN P Ground galvanically separated 4 CANH 2 VO CAN High Level I O of CAN 2 galvanically separated 5 NC Not connected 6 NC Not connected 7 CANH 1 VO 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 X1A Attention Destruction or malfunction Due to three physically identical 9 pin male D sub connector plugs 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 102 2011 by TQ Group 4 1 3 5 GPIO X1B Table 17 Plug connector GPIO X1B Manufacturer Description Dual Standard D sub connector plug socket Top 9 pin male connector plug Bottom 15 pin female socket 55 C to 85 C Yamaichi DDPXR E9P E15S C4N CT The following table shows the configuration of the plug connector for the GPIOs Table 18 Pin assignment plug connector GPIO 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 B VEE P see Table 6 Ele
7. 29 Blue 5 Oo LCD D5 22 O in series 14 28 Blue4 Oo LCD D4 22 O in series 15 27 Blue 3 Oo LCD D3 22 O in series 16 26 DGND P Ground 17 25 Blue 2 O LCD D2 22 O 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 0 in series 22 20 Green 4 O 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 O in series 26 16 Green 1 O LCD D7 22 O in series 27 15 Green 0 Oo LCD D6 220 in series 28 14 DGND P Ground 29 13 Red 5 O LCD D17 220 in series 30 12 Red4 0 LCD D16 22 O in series 31 11 Red3 O LCD D15 22 Q in series 32 10 DGND P Ground 33 9 Red2 Oo LCD D14 22 Q in series 34 8 Red 1 0 LCD D13 22 Q in series 35 7 Red 0 O LCD D12 22 O in series 36 5 DGND P Ground 37 4 DGND P Ground 38 3 DCLK 0 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 NC Not connected 36 NC Not connected User s Manual STK MBa28 UM 102 2011 by TO Group Page 47 4 2 3 4 LCD backlight X5 X21 X24 Table41 Plug connector LCD backlight X5 Manufacturer Description Header 2 54 mm Harwin N 1 X 4 pin M20 8900405 e IN 3A 40 C to 105 C Table 42 Pin assignment plug connector LCD backlight X5 Pin Signal Type Remark 1 VCC12V P Power supply 12 V alternatively placement option 5 V 2 LC
8. 74 Further applicable documents No Name Date Company 1 i MX28 MCIMX Reference Manual MCIMX28RM 2010 Rev 1 Freescale 2 TOMa28 UM 101 pdf 03 11 2011 TQ Systems TQ Systems GmbH MuhlstraBe 2 Gut Delling 82229 Seefeld info tq systems com www tq group com Technologie in Qualitat
9. P Ground Illustration 23 Wiring of X4 Page 32 User s Manual STK MBa28 UM 102 2011 by TQ Group 4 1 3 11 Power in X6 Table 29 Plug connector power in X6 Manufacturer Description e Basic package Phoenix Contact s 5 08mm pitch MSTBA 2 5 2 G 5 08 e 2 pin e Un 250V In 12A The following table shows the configuration of the plug connector for the 15 30 V power supply Table 30 Pin assignment plug connector power in X6 Pin Signal Type Remark 1 VCC24V P Input supply voltage 2 GND P Ground Illustration 24 Wiring of X6 User s Manual STK MBa28 UM 102 2011 by TO Group Page 33 4 2 Internal interfaces 5 044 x gt s H rer Illustration 25 Internal and external interfaces top side Page 34 User s Manual STK MBa28 UM 102 2011 by TQ Group L NT INTE Illustration 26 Internal and external interfaces bottom side User s Manual STK MBa28 UM 102 2011 by TO 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 plug connectors Plug connector X11 on the STK MBa28 connects to module plug connector X2 of the TOMa28 Plug connector X17 on the STK MBa28 connects to module plug connector X1 of the TOMa28 Attention Destruction or malfunction To avoid damages caused by mechanica
10. TOMa28 Temperature sensor LM73 0x49 1 TOMa28 EEPROM M24C46 0x50 4 4 3 Internal power supply Table 72 Internal power supply Voltage Current 5V Max 4 A 3 3 V Max 6 A Illustration 35 Internal power supply block diagram User s Manual STK MBa28 UM 102 2011 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 TQMa28 RESET Illustration 36 Voltage supervision reset block diagram 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 Page 60 User s Manual STK MBa28 UM 102 2011 by TQ Group 6 MECHANICS SPECIFICATION 6 1 Construction PCB outlines including mounting holes 6 1 1 PCB outlines STK MBa28 o e el Qd Kn L Un L1 169 5 L 175 0 Illustration 37 PCB outlines STK MBa28 IU jun Attention Destruction or malfunction To avoid damages caused by mechanical stress the TOMa28 may only be extracted from the base board by using the extraction tool MOZIa28 2 5 mm should be kept free on the base board along the longitudinal edges on both sides of the module for t
11. ee AAR eek ee Rek ee Gee ee es 48 Pin assignment plug connector touchscreen X8 X20 sss 48 Plug connector LVDS display XS Pin assignment plug connector LVDS display X9 sees Plug connector power on X19 sesse seek ese eek eek AR AR eek ee eek GR ee ee ee Ge ee ee Pin assignment plug connector power on X19 iese seen seek eek ee eek Gee Reg Plug connector accumulator X7 ss Pin assignment plug connector accumulator X7 Plug connector Starterkit interface X10 i Plug connector pin assignment Starterkit interface X10 sss 51 Plug connector Starterkit interface X14 ssssssscsssecsescsssecseecsessssecseecsucesatecssecsueseateeseeess 52 Plug connector pin assignment Starterkit interface X14 sss 52 Plug connector Starterkit interface X15 cssssssecssecseecssecseecsessseecseecsecesatecseecseeseateeseeess 53 Plug connector pin assignment Starterkit interface X15 sss 53 Reset push button S2 sesssessssecseecseessscccseceseessuccesecssessuecesecsuccsseceaseesscesaeecaeecsueesseeeaeeeasesse 54 External status EDS MV niii eos eo ee PEE EPIS 55 Overview external LEDS ccccssssssssssssssssssssssssssssssssssessesscsscssesscssesscssesscsscsscscsessessesscssceseess 55 Overview internal LEDs DIP switch S1 DIP switch S3 156 Des OO 57 BE ies OE snnasssnaussaoassaqataveersnes
12. 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 TO 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 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 tqgs de Web http www tq group com Page 2 User s Manual STK MBa28 UM 102 2011 by TQ Group 1 5 Symbols and typographic conventions Table 1 Symbol Terms and conventions 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 00
13. minute e 55 C to 85 C The following table shows the configuration of the plug connector for the USB host interface Table 22 Pin assignment plug connector USB host X12B Pin Signal Type Remark 1 VBUS P 5 V supply current limitation to 0 5 A 100 uF 2 DM VO Negative differential data line 3 DP VO Positive differential data line 4 DGND P Ground M DGND P Ground housing Illustration 20 Wiring of X12B The USB OTG interface is configured as host by default and cannot be connected to a PC as device To offer OTG functionality 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 102 2011 by TO Group Page 29 4 1 3 8 Audio output right X27 left X28 Table 23 Plug connector audio output right X27 and left X28 Manufacturer Description e RCA phono jack e Umx 500 V AC for 1 minute e 25 Cto 85 C Kycon KLPX 0848A 2 B The following table shows the configuration of the plug connectors for the audio outputs Table 24 Pin assignment plug connector 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 N Illustration 21 Wiring of X27 and X28 P
14. pin LCD D03 1 kQ pull down Boot pin LCD D03 depends on TOMa28 S4 3 Boot pin LCD D02 1 kO pull up Boot pin LCD D02 depends on TOMa28 4 4 Boot pin LCD DOT 1 kQ pull up Boot pin LCD D01 depends on TOMa28 Table 69 DIP switch S5 Switch ON OFF default 5 1 Boot pin LCD_D00 1 KQ pull down Boot pin LCD D00 depends on TOMa28 5 2 LCD RS 1 kQ pull up 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 2 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 102 2011 by TQ Group 4 4 System Components 4 4 1 Temperature sensor D10 Near plug 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 4 4 2 IC address allocation Table 71 C address allocation C bus Position Device Address 1 STK MBa28 Audio codec SGTL5000 OXOA 1 STK MBa28 GPO PCA9554D 0x20 1 STK MBa28 GPI USERLED PCA9554D 0x21 1 STK MBa28 Temperature sensor LM73 Ox4A 1
15. sv3 bi OV POWER GND FB ES cross Ks GPIO 3V3 bi bi 3V3 GPIO n9 GPIOO_17 DE EX cr oo2s Pe Geo svs bi bi 3V3 SD CARD U8 SD DO FB N croo7 Te GPIO 303 bi bi 3V3 SD CARD R8 SD D2 DN Bi crioo ie N7 co ava bi bi 3V3 SD CARD N8 SD CMD C EM GPioo 5 R7 GPIO 3V3 bi in 3v3 SD CARD L9 SD_WP ET E SD DI T8 SD CARD 3V3 bi out 3V3 SD CARD P8 SD SCK E E SD D3 U7 SD CARD 3V3 bi in 3V3 UARTI La AUART1_RX COM Ei sp_DETECT Ne SD CARD 3V3 in in 3V3 UARI3 MS AUART3_RX 61 GAl AUARTI_IX Ka UARTI 3V3 out out 3V3 UART3 K6 AUART3_RTS C EH AUART3_TX LS UART3_ 3V3 out in 3V3 CANI Ma CANI RX E a AUART3 CTS L6 UART3 3V3 in out 3V3 CAN M7 CANI_TX ET cs PWM4 E10 PWM 3V3 out out 3V3 LCD PWM K8 LCD BACKLIGHT PWM ER O PWM3 E9 PWM 3V3 out out 3V3 DUART l7 DUART TX E E2 DUART Rx K7 DUART 3V3 in 10k0T bi 3V3 12c H7 I2C1 SDA E EM asco H6 BE 3V3 bi 10kaT in 3V3 UARTO G5 AUARTO RX EM EN AUARTOTX H5 UARTO 3V3 out out 3V3 UARTO J7 AUARTO_RTS a EEN AUARTO CTS J6 UARTO 3V3 in ov POWER GND LN E GND POWER OV Page 44 TO User s Manual STK MBa28 UM 102 2011 by TQ Group Table 36 Pin assignment STK MBa28 TOMa28 X11 X2 E Hd 5
16. 0 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 PPP This symbol represents important details or aspects for 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 102 2011 by TO Group Page3 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 TO 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
17. 1 Buzzer N10 54 4 3 2 dele E lt H al M 54 4 3 3 Status LEDs external V7 7 ee ee ee ee ee ee oe ee ee ee ee ee ee ee ee ee ee ee 55 4 3 4 Status LEDs internal V22 V24 V25 V46 ees see seer se en ee ee ee ee ee ee ee ee ee ee ee 56 4 3 5 DIP switches S153 94 SY essensies sees esse RR GR EG ann 56 4 4 System Components 4 4 1 Temperature sensor D10 scssssssssssssscsssssssscsscsssssssssssssssscsecsassussussucsucsucsucsucsucsecsecseeaseaseaseaeeases 58 44 2 Ra TTT 58 4 4 3 Internal power supply 58 4 4 4 Voltage supervision and reset sss 59 Page iv User s Manual STK MBa28 UM 102 2011 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 SPECIFICATION EE SEENI MECHANICS SPECIFICATION sesssssssecsesssecsscssecsecssecssessecsesssecueessecnecasecueessecueessecssesseeneesseensenses Construction esse seeks PCB outlines STK MBa28 STK MBa28 top view STK MB328 bottom VIEW M Eoee Requirements for the superior system eessesecseecsseecseeesecesseceseeesscesuscesecesucessserssecsucesatesseesseees Protection against external effects essesssesssecssecseesssesseessecesscesseesseceseeesatecseeesuessateeseesseees Thermal management cssesccsecseessessseeecseecseecsssecssecsucssucecstecssessucsesseesecsuessueecseecseeesaeeeseeeseesssees SAFETY REQUIREMENTS AND PROTE
18. 3 SD card XA ese ee ee ee oe ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee Power in Oe EE ED GE EG EG IEEE TE ee Plug connectors and pin assignments eek ee eek eek eek ee ee eek ee ee eek ee Ethernet 17 2 0 6A B inrer tette Ke ek PEE PEEPEREE PER SEE REESE FERE HERE EEWEE EE REPE PF EN eene EAr ik RS485 X324 RS232 X32B CAN 1 CAN 2 X14 i GPIO XIB ihanan USB 2 0 Hi Speed host X12A ssesssssssseecsssecseccseeesasecssecssessseecsseessessasecsucesscesaeeeseesseesaeeeseceeaeeesees USB 2 0 Hi Speed host X12B Audio output right X27 left X28 Microphone input X13 l Re XA T Power in X6 iese ese se see ee ee oe ee ee Ge ee ee ee oe oe ee ee Ge oe ee ee Ge ee ee ee ee Re ee ee ee ee ee Internal interfaces Function specification Module interfaces X11 X17 STAG X16 EE EEDE Cp Ci p N NE LCD backlight X5 X21 X24 sessssesssscssecssesssecssesseessessasecsecsscsssseeseesaeeeaeeeseesseseaeeeseesaeeeseeeass Touchscreen X2 X8 X20 ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee LVDS display X9 POWEr Om NO Ee EE N EE EE Accumulator connector XI esse ese see ee ee ee ee oe ee oe ee ee oe ee ee ee ee ee ee ee ee ee Starterkit interfaces X10 X14 XB User s Manual STK MBa28 UM 102 2011 by TO Group Page iii Table of contents continued 4 2 2 Electrical characteri
19. 4 x IN 1xSD card 2 x Audio output 1 x Microphone input 1 x Power supply Internal interfaces 1 x TOMa28 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 Temperature 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 2mm Overall dimensions W x D x H 175 x 130 x 32 mm app Weight 248g User s Manual STK MBa28 UM 102 2011 by TQ Group Page 9 4 ELECTRONICS SPECIFICATION 4 1 External interfaces X28 X13 X27 V77 X1A X12B X26B X32B S2 X6 X4 X1B X12A X26A X32A Illustration 2 External interfaces of the STK MBa28 Page 10 User s Manual STK MBa28 UM 102 2011 by TQ Group 4 1 1 Function specification 4 1 1 1 Ethernet 1 X264 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 plug connector X10 see 4 2 3 9 1 Illustration 3 Ethernet 1 block diagram The LAN8720A off
20. 5 Pin assignment STK MBa28 TOMa28 X17 X1 5 a a a ov POWER GND 1 2 GND POWER OV out 3V3 LCD NI LCD_DOTCLK 3 4 LCDVSYNC Li LCD 3V3 out OV POWER GND 5 jJ LCDHSYNC Mi LCD 343 out out 3V3 LCD K LCD WR RWN 7 3 GND POWER OV out 3V3 LCD Me LCD RESET E 10 LCD RS Ma LCD 3v3 out out 3V3 LCD pa LCD_RD_E 11 LCD ENABLE NS LCD 3V3 out out 3V3 LCD P5 LCD_CS 13 T LCDDO Ka LCD 1393 ow 10kaT 10kOl out 3V3 LCD a LCD DOT 15 I ipo e LCD 3V3 out 10kO 10kQT out 3V3 LCD L3 LCD_D03 17 JM LED Do4 m2 LCD 3V3 out 10kO L out 333 LCD Ma LCD_D05 ID EXE LoDo n2 LCD 3v3 out out 3V3 LCD P1 LCD D07 21 FM LCD Do8 P2 LCD 3V3 out out 3V3 LCD P3 LCD D09 E ET LcD Dio RI LCD 3V3 out out 3V3 LCD R2 LCD D11 EN EEN on m LCD 3V3 out out 3V3 LCD 72 LCD_D13 PE EE cpi U2 LCD 3v3 out out 3V3 LCD U3 LCD_D15 EM EOI LcD Di6 T LCD 3V3 out out 3V3 LCD R3 LCD_D17 31 E L1CDDi8 UA LCD ava out out 3V3 LCD T4 LCD_D19 cel E LeD Dag Ra LED 3V3 out out 3V3 LCD Us LCD D21 EM Ed ic Ts LCD 3V3 out out 3V3 LCD R5 LCD D23 Ey ES GPi0024 Re GPO 3V3 bi 5V POWER VCC5V EN EOI lt pio0 6 Us GPIO 3V3 bi 5V POWER VCC5V 41 FM GPIO027 P7 GPIO 3V3 bi OV POWER GND Uu ETE cpiooa 17 GPO
21. CTIVE REGULATIONS EMC requiretmefbts EA OR AE OO Operational safety and personal security asses CLIMATIC AND OPERATIONAL CONDITIONS sss Protection against external effects sees Reliability and product life DIisplays ee Environment protection ROHS compliance ARR WEEE regulation Accumulator APPENDIX sl N User s Manual STK MBa28 UM 102 2011 by TO Group 10 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 Terms and CONVENTIONS ssescsssecsseccseecseecsscessccessccssecsusecssecsucesstecssecsueesusessuecsueeeaeecssecsseesueesess 2 Le Ko 1 43 AE EE EG 5 LAN8720A modes Mapping of the GPIOs Electrical characteristics of the GPls Electrical characteristics of the GPOS sese Electrical characteristics of the power Supply asses Overview of the function groups of the power supply sss Plug connector Ethernet 1 2 X26A B eeuse seek seen eek Geek ee ee eek ee ee eek ee ee ee es Pin assignment plug connector Ethernet 1 2 X26A B Plug connector RS485 X3B2A s
22. D BKL ON O GPIO from PCA9554D to switch the backlight 3 LCD_CONTRAST O Brightness 4 DGND P Ground Table 43 Plug connector LCD backlight X21 X24 Manufacturer Description e Crimp plug connector Un 1 400 V In 1A 25 C to 85 C JST SMO2B BHSS 1 TB Table 44 Pin assignment plug connector LCD backlight X21 X24 Pin Signal Type Remark 1 VLEDA P Anode of LED backlight 2 VLEDC P Cathode of LED backlight Illustration 32 Pinout of X21 X24 Placement see Illustration 39 on page 62 Page 48 User s Manual STK MBa28 UM 102 2011 by TQ Group 4 2 3 5 Touchscreen X2 X8 X20 Table45 Plug connector touchscreen X2 Manufacturer Description e Header 2 54 mm Preferred manufacturer e 2x3pin e In 1A e 40 Cto 105 C Table46 Pin assignment plug connector touchscreen X2 Remark Type Signal X2 Signal Type Remark Wire 5 O P Touch Ref SVB 1 2 Y VP Input bottom Input right VP X 3 4 Y VP Input top Input left VP X 5 6 DGND P Ground Table 47 Plug connector touchscreen X8 Manufacturer Description s Header 2 54 mm Harwin e 1x4 pin M20 8900405 e In 3A e 40 C to 105 C Table 48 Plug connector touchscreen X20 Manufacturer Description e Plug connector FFC JST e Pitch 1 25 mm O4FFS SP TF e Un 50V In 0 5A e 25 to 85 C Table 49 Pin assignment plug connector touch
23. 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 4 Electrical fast transient BURST EMC Immunity to surge according to EN 61000 4 55 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 EMC Immunity according to EN 61000 4 65 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 4 299 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 lt 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 Thetes
24. 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 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 102 2011 by TQ Group Page 55 4 3 3 Status LEDs external V77 Table 63 External status LEDs V77 Manufacturer Description e 3 fold LED e Red yellow green e 0 to 80 C VS Optoelectronic WU 2301 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 voltage 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 102 2011 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 Fun
25. LM SV P TR In 3A N 55 C to 125 C Table 53 Pin assignment plug connector power on X19 Pin Signal Type Remark 1 WAKEUP TQMa28 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 Plug connector accumulator X7 Manufacturer Description Header 1 25 mm Moe 1 x 2 pin rn e 40 C to 85 C Table 55 Pin assignment plug connector accumulator 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 102 2011 by TO Group Page 51 4 2 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 plug 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 Plug connector Star
26. 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 User s Manual STK MBa28 UM 102 2011 by TO Group Page 1 1 ABOUT THIS MANUAL 1 1 Copyright and licence expenses Copyright protected 2011 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 any other form without the written consent of TQ 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
27. 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 102 2011 by TO Group Page 53 4 2 3 9 3 Starterkit interface X15 Table 60 Plug connector Starterkit interface X15 Manufacturer Description e Header 2 54 mm Preferred manufacturer e 2x20 pin e 55 C to 105 C Table 61 Plug connector pin assignment Starterkit interface X15 Signal X15 Signal DGND 1 2 DGND LCD DOTCLK 3 4 LCD VSYNC DGND 5 6 LCD HSYNC LCD WR RWN t 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 D02 LCD D03 17 18 LCD DO4 LCD DOS 19 20 LCD D06 LCD DO7 21 22 LCD DOS LCD D09 23 24 LCD 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 102 2011 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
28. SB OTG interface of the TOMa28 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 102 2011 by TQ Group 4 1 1 9 Audio output right X27 and left X28 microphone input X13 The audio functionality is implemented with a Freescale SGTL5000 on the STK MBa28 E 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 l C base address OxOA 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 102 2011 by TO 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 T
29. STK MBa28 User s Manual STK MBa28 UM 102 11 11 2011 User s Manual STK MBa28 UM 102 2011 by TO 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 cccccsscocsssscussovscuscosccusesstsvscsssosscsossosesosonsesossnsconsonscnnsassanssageayansceayenssezgersenaseaaiss 1 Copyright and licence ExPeNses eecsssssssessesssssecseccsscesseccnsessessseeestecsessucssatecseecsaeesatecseesseeesaees 1 Registered trademarks m Disclaimer wl Imprint nee 1 Symbols and typographic conventions sesse sesse eek eek eek ee eek eek Geek ee Gee eek ee 2 deel eat SAO Sm 3 Handling and ESD tips sese 3 Namig OF sidinale 2m EG EE EE ee Ge Ee Further applicable documents presumed knowledge ET Acronyms and definitions sss BRIEF DESCRIPTION c aan TECHNICABDATA p eeEe 7 System architecture and system functionality sese 7 Block diagram eee 7 Technical data electronics a7 External interfaces 8 TEN ed CT AE N EN 8 e es EE EE EE N Re ee Ee 8 System components 8 Technical data mechanics design ELECTRONICS SPECIFICATION 9 External Interfaces 9 Function specification eek eek ee eek GR AAR eek eek GR Rea e
30. Stl CS 5 ccn i ERR ER ER ER ERE Ee Gee ee ee ed 41 4 2 2 1 Module interface X11 X17 esse ese ee se ee ee ek ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 41 4 2 2 2 POWEI ON sesse se sesse en ee se ee ee 41 4 2 2 3 Accumulator connector X7 41 4 2 2 4 STAG X16 e 41 4 2 2 5 PCD X22 OE EE EE 41 4 2 2 6 LCD backlight X5 X21 OO 42 4 2 2 6 1 Backlight power supply X5 iis sesse eek seek eek ee Rek GAAR eek GR ee eek ee een ee ee ee 42 4 2 2 6 2 LED driver X21 X 2A een te Hee ch a ANNEE 4 2 2 7 Touchscreen X2 X8 X20 lt 4 2 2 8 LVDS display X9 ttt ttti 4 2 2 9 Starterkit interfaces X10 X14 XB 42 4 2 3 Plug connector and pin assignment ius eek ese ee ee eek ee Gee eek ee ee eek ee 42 4 2 3 1 Receptacle for module eerie tria OG eee PPR EH HR EER ER EEREN REPRE ESSERE HR bene eed 42 4 2 3 2 JTAG X16 45 4 2 3 3 LCD X22 X23 4 2 3 4 LCD backlight X5 X21 X24 A7 4 2 3 5 Touchscreen X2 X8 X20 ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 48 4 2 3 6 LVDS display X9 ttt ttti 49 4 2 3 7 Power on X19 50 4 2 3 8 Accumulator connector X7 50 4 2 3 9 Starterkit interfaces X10 X14 X15 51 4 2 3 9 1 Starterkit interface X10 esse ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 51 4 2 3 9 2 Starterkit interface XI 52 4 2 3 9 3 Starterkit interface X15 53 4 3 User s interfaces 4 3
31. WER OV in 3V3 USBO J5 USB 0 ID DA EEN CANO_RX L8 CANO 3V3 in in 3V3 CONFIG A11 PSWITCH ES Gi CANG TX M8 CANO 3V3 out 10k0T bi 3V3 mco c 12C0_SCL BH Er co sDA Ds 2C0 3V3 bi 10kat out 3V3 SPDIF D7 SPDIF a 54 GPIO2 9 DIO GPIO 3V3 bi out 3V3 I2S AUDIO E7 SAIFO_SDATAO es Gel SAIFI_SDATAO E8 I2S AUDIO 3V3 in bi 3V3 DS AUDIO F7 SAIFO_BITCLK A EEN SAIFO_LRCLK G6 D2S AUDIO 3V3 bi out 3V3 I2S AUDIO G7 saro mak E E RESET Al4 CONFIG 3V3 in 10 ko OV POWER GND 61 ET GND POWER OV in 3V3 Touch ADC C14 LRADC6 63 E HSADCO BI4 ADC 3V3 in in 3V3 Touch ADC D13 LDADC4 G EJ umo D15 Touch ADC 3V3 in in 3V3 Touch ADC C8 LRADC2 E cs LRADC3 D9 Touch ADC 3V3 in in 33 ADC CI5 LRADCO EH E LRADCI C9 ADC 3V3 in 10k0T in 313 JTAG D12 mem WU EZ oec emn mc 3v3 in 10k0T 10k0T in 3V3 JTAG E12 JTAG TDI EM Z JTAG RST Di4 JTAG 1303 in 10kat 4V2 POWER A15 Battery H J rae Rk Ela rawe 393 out 10k0 T 4V2 POWER A15 Battery 7A JTAG TDO E13 JTAG 3V3 out OV POWER GND 79 P GND POWER OV User s Manual STK MBa28 UM 102 2011 by TO Group Page 45 4 2 3 2 JTAG X16 Table 37 Plug connector JTAG X16 Manufacturer Description e Header 2 54 mm Samtec TSM 107 01 L DV e 2xf7 pin The following table shows the configuration of the JTAG plug connector Table38 Pin assignment plug c
32. age 30 User s Manual STK MBa28 UM 102 2011 by TQ Group 4 1 3 9 Microphone input X13 Table 25 Plug connector microphone X13 Manufacturer Description e 3 5mm stereo jack e 5 000 mating cycles s Umax 500 V AC for 1 minute Yamaichi AJ330 4T SMT The following table shows the configuration of the plug connector for the microphone input Table 26 Pin assignment plug connector microphone X13 Pin Signal Type Remark 1 AGND P Ground 2 AGND P 22 kO in series ground 3 MIC IN Al Analog microphone input 4 NC Not connected Illustration 22 Wiring of X13 User s Manual STK MBa28 UM 102 2011 by TO Group Page 31 4 1 3 10 SD card X4 Table 27 Plug connector SD card X4 Manufacturer Description e SD card and MMC reader e 10 000 mating cycles e Umax 500 V AC for 1 minute Yamaichi FPS009 2405 0 The following table shows the configuration of the plug connector for the SD card slot Table 28 Pin assignment plug connector SD card X4 Pin Signal Type Remark 1 DAT3 VO Data line 3 100 kO pull up 2 CMD VO Command response Signal 3 DGND P Ground 4 VCC3V3 P 3 3V supply 5 CLK Clock input 50 MHz 6 DGND P Ground 7 DATO VO Data line 0 100 kO pull up 8 DATI VO Data line 1 100 kO pull up 9 DAT2 VO Data line 2 100 kO pull up CD CD Card Detect 10 KO pull up WP WP Write Protect 10 kO pull up COM DGND
33. age FG0700K5DSSWBG01 e Admatec NLC800T70D480CTMK Page 42 User s Manual STK MBa28 UM 102 2011 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 the 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 Plug connector and pin assignment 4 2 3 1 Receptacle for module Table34 Receptacle for module Manufacturer Description Plug connector 80 pin Stack height 5 mm Umax 100 V Imax 05A 100 mating cycles Tyco X11 X17 5177986 3 The configuration of the module plug connectors is shown in the following tables The signal direction is described from the perspective of the TOMa28 User s Manual STK MBa28 UM 102 2011 by TO Group TO Page 43 Table 3
34. assignment STK MBa28 TOMa28 X17 X 43 Pin assignment STK MBa28 TOMa28 X11 X2 see see ee ee ee ee ee ee ee Re 44 Page vi User s Manual STK MBa28 UM 102 2011 by TQ Group Table directory continued Table 37 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 PlugiconnectorJTAG OC 6 isses edi eee Ei SERE N 45 Pin assignment plug connector JTAG X16 esssssccssccssscssecseessseesaseeseessscseseecseeesseeeateeneeess 45 Plug connector LCD X22 X23 esse seek seek ea eek eek ee eek eek ee ee ee ee eek ee Gee ee es 45 Pin assignment plug connector LCD X22 X23 esse seek seen seek eek ee eek ee ERA 46 Plug connector LCD backlight XS 47 Pin assignment plug connector LCD backlight X5 sess 47 Plug connector LCD backlight X21 X24 AT Pin assignment plug connector LCD backlight X21 X24 AT Plug connector touchscreen X2 sss 48 Pin assignment plug connector touchscreen X2 48 Plug connector touchscreen KB 48 Plug connector touchscreen X20 iese ees eek ese ee eek
35. ausssnidictovensedes 57 Boot mode Options 57 C address allocasion nnanet 58 Internal power SUPPLY ceesseesseccssecsessssecssecsecsscecssecsuecsatecsseesscssaeecsseesseseaeeesseesueeeseeeneenseeess 58 Reset trigger level and voltage supervision 59 Further applicable documents sss 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 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 102 2011 by TO Group Page vii STK MBa28 block diagram sesse seek seen ese eek eek ee Rae eek GR ee eek ee ee Roe ee eek 7 External interfaces of the STK MBa28 uses seen seen seek eek GR ee eek GR ee eek ee 9 Ethernet 1 block diagrams 10 Ethernet 2 block diagram essen 11 RG Si VOC Cie am ee 11 R5232bloekdiadid ss ER ER RE RR ER ee RE Re eek eek eek ee Rek i iii cea 12 CAN block diagram 12 GPIO block diagra
36. ction 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 S4 and S5 are directly connected to the module plug 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 Q CANI not terminated S1 2 Termination CAN2 120 O CAN2 not terminated S1 3 Slew rate configuration for CAN1 disabled Slew Rate can be altered by assembling R282 S1 4 Slew rate configuration for CAN2 disabled Slew Rate can be altered by assembling R281 Table 67 DIP switch S3 Switch ON OFF default 3 1 No function No function S3 2 DEBUG DGND DEBUG TOMa28 pull up 3 3 RS485 RxD terminated 120 O RS485 RxD not terminated 3 4 RS485 TxD terminated 120 O RS485 TxD not terminated User s Manual STK MBa28 UM 102 2011 by TO Group Page 57 Table 68 DIP switch S4 Switch ON OFF default S4 1 Boot pin LCD_D04 1 KQ pull up Boot pin LCD_D04 depends on TQMa28 4 2 Boot
37. ctrical characteristics of the GPOs 7 DGND P Ground 8 OUT7 O Output 7 9 OUT6 O Output 6 10 OUT5 O Output 5 11 OUT4 O Output 4 12 OUT3 0 Output 3 13 OUT2 9 Output 2 14 OUT1 O Output 1 15 OUTO O Output 0 M DGND P Ground housing Illustration 18 Wiring of 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 102 2011 by TO Group Page 27 4 1 3 6 USB 2 0 Hi Speed host X12A Table 19 Plug connector USB host X12A Manufacturer Description e Dual USB jack type A Yamaichi e Un 30VAC rms In 1A USB A 002A s Umax 500 V AC for 1 minute e 55 C to 85 C The following table shows the configuration of the plug connector for the USB host interface Table 20 Pin assignment plug connector USB host X12A Pin Signal Type Remark 1 VBUS P 5 V supply current limitation to 0 5 A 100 uF 2 DM VO Negative differential data line 3 DP VO Positive differential data line 4 DGND P Ground M DGND P Ground housing Illustration 19 Wiring of X12A Page 28 User s Manual STK MBa28 UM 102 2011 by TQ Group 4 1 3 7 USB 2 0 Hi Speed host X12B Table 21 Plug connector USB X12B Manufacturer Description e Dual USB jack type A Yamaichi e Un 30VAC rms In 1A USB A 002A s Umax 500 V AC for 1
38. e ee eek eek ee ESAE tta ee eek eek ee 10 Ethernet 1 X264 10 Ethernet 2 X26B 11 RS485 X324 11 RS232 X3B2B eens ee ee ee ee ee ee Ge ee ee oe oe ee ee Ge ee ee ee oe ee ee oe oe ee ee oe ee ee ee ee ee 12 CAN 1 CAN 2 XTA ese een ee se ee ee ee Ge oe ee ee ee oe ee ee Ge oe ee ee ee ee ee ee Ge ee ee ee ee Ge ee ee gee ee ee eie 12 GPIO X1B RE 13 USB 2 0 Hi Speed host X DA aussen een 15 USB 2 0 Hi Speed host X12B Audio output right X27 and left X28 microphone input X13 sss 16 SDcard X4 curreret IE PME MM E 16 POWet InXO nani rerit eie NW TE ese 16 Page ii User s Manual STK MBa28 UM 102 2011 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 ElectticalschaiaeteristiEs een Ethernet TTT Ethernet 2 X26B RS485 X324 RS232 X32B A CAN 1 CAN 2 X1A eene seen ee ee ER Ge ER Ge ER Ge ee ER Ge eg Ge ee ek Ge ee Ge ek Geek eek Ge ek eek Ge ek ee ee eek eres USB 2 0 Hi Speed host X124 sees sesse seek ese eek eek Gee GR ee Rek ee ee ee eek ee ee RR USB 2 0 Hi Speed host X12B tercie cris SS Ge ek eg ee aan Audio output right X27 left X28 microphone input X1
39. ers the following modes Table 3 LAN8720A modes Mode 0 2 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 sheet of the LAN8720A User s Manual STK MBa28 UM 102 2011 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 X324 The AUARTO of the TOMa28 drives the RS485 interface of the STK MBa28 The optocouplers Avago HCPLO631 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 Q 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 Ma
40. esecsesssescssscssecseecsesecssecsesssseeseecseessseesacecssecsucssatecseecseessaeeesseese Pin assignment plug connector RS485 X32A sesse seek seen ee eek eek ee ER ee ee ee eg Plug connector RS232 X32B TT Pin assignment plug connector RS232 X32B eek seen seek eek ee ER GR ee Reg Plug connector CAN 1 and CAN 2 XTA Pin assignment plug connector CAN 1 and CAN 2 X1A Plug connector GPIO X15B eek eek ese eek eek ee Pin assignment plug connector GPIO X1B ssssssccssscssecseecssessssecssecsueecatecssecsseeeateesseess Plug connector USB host X12A eee Pin assignment plug connector USB host X12A Plug connector USB X12B sss Pin assignment plug connector USB host X12B Plug connector audio output right X27 and left X28 sss Pin assignment plug connector audio output right X27 and left X28 29 Plug connector microphone X13 e ssseecseecseccssecssecssescssecseecsuceseseeseeeseeeeseeeees Pin assignment plug connector microphone X13 Plug connector SD card X4 sss Pin assignment plug connector SD card X 31 Plug connector power in X6 iese seek seek eek GR eek eek Gee ee ee eek Ge Ge ee Res 32 Pin assignment plug connector power in X6 iii seeks ee eek eek eek Ge Rek eg 32 LED bus signals X22 X23 ied nennen Touchscreen plug connector X2 X8 X20 Allocation of RGB signals on LVDS lines sse Receptacle for module sese Pin
41. he PC addresses of both lC I O 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 plug 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 LCD LVDS ON Illustration 8 GPIO block diagram Page 14 User s Manual STK MBa28 UM 102 2011 by TQ Group Table4 Mapping of the GPIOs Signal name at X1B FC base address VO port Direction OUTO 0x20 100 O OUT1 101 O OUT2 102 0 OUT3 103 0 OUT4 104 O OUT5 105 0 OUT6 106 0 OUT7 107 O INO 0x21 100 I IN1 101 l IN2 102 I IN3 103 I Signal name internally used USER LED1 104 O USER_LED2 105 O LCD_BKL_ON 106 O LCD LVDS ON 107 O User s Manual STK MBa28 UM 102 2011 by TQ Group Page 15 4 1 1 7 USB 2 0 Hi Speed host X12A The USB host interface of the TOMa28 USB1 is routed directly to the USB A jack X124 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 U
42. he extraction tool MOZIa28 User s Manual STK MBa28 UM 102 2011 by TQ Group Page 61 6 1 2 STK MBa28 top view O ad C168 2888 5255 88288 A e 919 ond NI Q zm 8 pul P xf BEES sen puis gn Ss ss Illustration 38 STK MBa28 top view Page 62 User s Manual STK MBa28 UM 102 2011 by TQ Group 6 1 3 STK MBa28 bottom view Illustration 39 STK MBa28 bottom view User s Manual STK MBa28 UM 102 2011 by TO 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 source 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 102 2011 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
43. l stress the TOMa28 may only be extracted from the base board by using the extraction tool MOZIa28 2 5 mm should be kept free on the base 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 plug 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 102 2011 by TQ Group 4 2 1 3 LCD 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 plug 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 DO1 B1 B1 LCD D02 B2 B2 LCD D03 B3 B3 LCD DO4 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 102 2011 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 disp
44. larities 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 The value depends on the software and is valid for an input voltage of 24 V User s Manual STK MBa28 UM 102 2011 by TO Group Page 21 4 1 3 Plug connectors and pin assignments 4 1 3 1 Ethernet 1 2 X26A B Table 9 Plug connector Ethernet 1 2 X26A B Manufacturer Description e Type 2x RJA5 jack Tyco e Eight contacts each 6368011 3 e LEDs green and yellow e 40 C to 80 C The following table shows the configuration of the plug connector for Ethernet 1 2 X26A B Table 10 Pin assignment plug connector Ethernet 1 2 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 LED1 Link Activity Yellow Shines when connection is established blinks if ENETX RX EN is active LED2 Speed Indicator z Green shines only at a transmission of 100 Mbit
45. lays with LED backlight A Linear Technology LT3518 is used for this purpose A 12 V supply of up to 2 A as well as the signals LCD BKL ON and LCD CONTRAST are available at another plug 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 102 2011 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 The lines of the touchscreen are equipped with protective ESD diodes as well as a CLC filter Three plug connectors are available Table 32 Touchscreen plug connector 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 102 2011 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 di
46. m 13 USB host block diagram USB OTG block diagram Audio block diagram 16 SD card block diagram an 16 Power in block diagrams 16 WTA INN P 07 TT Wiring of X32A sesse sek seek eek ee eek eek ee GR Rae eek GR ee eek tta ttt tta Gee eek ee WIIINGOFX32B OE aR memmenuen Lire be Wiring of X1B Wiring of X12A Wiring of X12B m Wiring of X27 and X28 esse seek eek seek GR Rae eek ee Roe eek ee Rek ee ee Re ek een 29 WITHIN R XIS ER EE N ie 30 WIR B 1 6 uU UN TRIES 31 tee EE RE 32 Internal and external interfaces top side sesse sense seek ee ER ee ek ee Rek ee Re 33 Internal and external interfaces bottom side see 34 ED block diagtams me ae ee LCD backlight block diagram Touchscreen block diagram LVDS display block diagram Power on block diagram Pingut Of X217 XZA EO EE WIVES Buzzer block diagram sesse seek eek ee Geek ee eek eek ee Rea eek ee ee ee ee ER ee EEDIblock diagram EE RE EE N Internal power supply block diagram sesenta 58 Voltage supervision reset block diagram eee 59 PCB outlines STK MBa28 sek eek sek eek gee tenente gee eek gee eek ek 60 STK MBa28 top VIEW 61 STK MBa28 bottom view uur ese eek ee gee Roe Rek gee eek gee eek eek gee ie 62 Page viii User s Manual STK MBa28 UM 102 2011 by TQ Group Revision history Rev Date
47. 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 s 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 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 TQ 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 102 2011 by TO Group Page 67 9 APPENDIX 9 1 References Table
48. nual STK MBa28 UM 102 2011 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 SP3222EEA 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 galvanically separated part of the CAN interface Microchip MCP2551T I SN are 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 102 2011 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 plug connector A voltage of 24 V 20 96 at the GPIO plug 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 I C bus VO port circuits generate the GPIOs This circuit offers eight bidirectional GPIO ports which can drive and sink 10 mA T
49. onnector JTAG X16 Remark Signal X16 Signal Remark VCC3V3 1 2 DGND JTAG TRST4 3 4 DGND Detachable via 0 Q JTAG TDI 5 6 NC Detachable via 0 Q JTAG TMS 7 8 NC Optional via 0 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 Positioning see Illustration 38 on page 61 4 2 3 3 LCD X22 X23 Table 39 Plug connector LCD X22 X23 Manufacturer Description FPC plug connector 0 5 mm pitch Un 50V In 0 5A Min 30 mating cycles 20 C to 85 C Yamaichi FPC 98210 4021 Page 46 lU User s Manual STK MBa28 UM 102 2011 by TQ Group Table40 Pin assignment plug connector LCD X22 X23 PowerView Data Image Remark X22 1 DGND P Ground 2 DGND P Ground 3 PowerView NC PowerView 100 kQ 1 Data Image ADJ 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 PowerView NC PowerView Not connected Data Image VCC3V3 P Data Image Supply voltage 9 35 DATA Enable Oo LCD OE 22 O in series 10 34 DGND P Ground 11 32 DGND P Ground 12 30 DGND P Ground 13
50. put 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 Type 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 Ruoad 48 Q Load inductance Vec2av_ex 24 V Road 48 O 2 H Output current of a single output 700 mA Output current of all outputs together 5 A Short circuit current Vcczav_ex 24 V Rod 10 MO 0 7 1 7 A User s Manual STK MBa28 UM 102 2011 by TO Group Page 19 4 1 2 7 USB 2 0 Hi Speed host X124 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 dB input THD N Load Power output Mic
51. ransfer 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 X1A 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 Up to 4 Mbit s full duplex AUARTO RTS used for clearing the 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 102 2011 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 Table 5 Electrical characteristics of the GPls Parameter Min Type Max Unit Input frequency hardware limitation 15 kHz Input voltage Vin 0 28 V Input current Vin 28 V 25 mA HIGH input level 6 9 Vin V LOW in
52. rophone 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 UM 102 2011 by TQ Group 4 1 2 11 Power in X6 Table 7 Electrical characteristics of the power supply Parameter Min Type 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 I 10 In 3 3 A s The specified standard power supply for the STK MBa28 is the following e IPCX86MM NT REV 100 gt 18 V 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 po
53. screen X8 X20 Pin Signal Type Remark 1 Y VP Input bottom 2 X I P Input right 3 Y VP Input top 4 X VP Input left Placement see Illustration 38 and Illustration 39 on pages 61 and 62 User s Manual STK MBa28 UM 102 2011 by TO Group Page 49 4 2 3 6 LVDS display X9 Table 50 Plug connector LVDS display X9 Manufacturer Description e Crimp plug connector e Un 150V n 1A e 35 Cto 85 C Hirose DF14 20P 1 25H 25 Table 51 Pin assignment plug connector LVDS display 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 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 102 2011 by TQ Group 4 2 3 7 Power on X19 Table 52 Plug connector power on X19 Manufacturer Description Header 2 54 mm Samtec 1 X 4 pin TSM 104 01
54. splay block diagram Table 33 Allocation of RGB signals on LVDS lines Inp VDS83B TQMa28 signal 16bitmode 18bitmode 24bitmode Remark D23 10 KO pull down CLKSEL 4 7 KO pull down CLKIN LCD DOTCLK D26 LCD ENABLE D24 LCD HSYNC D25 LCD VSYNC D15 LCD DOO BO BO BO D18 LCD DO1 B1 B1 B1 D19 LCD D02 B2 B2 B2 D20 LCD D03 B3 B3 B3 D21 LCD DO4 B4 B4 B4 D22 LCD DOS GO B5 B5 D16 LCD D06 G1 GO B6 10 kQ pull down D17 LCD D07 G2 G1 B7 10 kQ pull down D7 LCD DO8 G3 G2 GO D8 LCD DO9 G4 G3 G D9 LCD D10 G5 G4 G2 D12 LCD D11 RO G5 G3 D13 LCD D12 R1 RO G4 D14 LCD_D13 R2 R1 G5 D10 LCD D14 R3 R2 G6 10 kQ pull down D11 LCD D15 RA R3 G7 10 kQ pull down DO LCD_D16 R4 RO D1 LCD_D17 R5 R1 D2 LCD_D18 R2 D3 LCD D19 R3 D4 LCD_D20 RA D6 LCD D21 R5 D27 LCD D22 R6 10 kQ pull down D5 LCD_D23 R7 10 kQ pull down The 10 kO pull down resistors are located at the two most significant bits of RGB 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 i MX28 can be looked up Page 40 User s Manual STK MBa28 UM 102 2011 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
55. stortion 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 Protection User s Manual STK MBa28 UM 102 2011 by TQ Group Page7 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 the functionalities of the Starterkit STK MBa28 this main 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 125 201 4 S 201 VCC_BATTERY 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 Page8 3 1 2 1 w m N 3 1 23 3 1 2 4 User s Manual STK MBa28 UM 102 2011 by TQ Group External interfaces 2 x 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 1x GPIO 8 x OUT
56. tcriteria 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 102 2011 by TO 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 five years Plug 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 102 2011 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
57. terkit interface X10 Manufacturer Description Header 2 54 mm Preferred manufacturer s 2 x 20 pin 55 C to 105 C Table 57 Plug connector pin assignment Starterkit interface 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 I2CO_SDA CANO_TX 17 18 I2CO_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 LRADC4 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 102 2011 by TQ Group 4 2 3 9 2 Starterkit interface X14 Table 58 Plug connector Starterkit interface X14 Manufacturer Description e Header2 54mm Preferred manufacturer e 2x20 pin e 55 Cto 105 C Table 59 Plug connector pin assignment Starterkit interface 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_
58. ual STK MBa28 UM 102 2011 by TQ Group 4 1 3 3 RS232 X32B Table 13 Plug connector RS232 X32B Manufacturer Description Yamaichi e Dual Standard D sub connector DDP 01151 e 9 pin male connector plug each e 55 Cto 105 C The following table shows the configuration of the plug connector for RS232 Table 14 Pin assignment plug connector RS232 X32B Pin Signal Type Remark 1 NC Not connected 2 RS232_RXD Receive Data 3 RS232_TXD O Transmit Data 4 NC Not connected 5 DGND P Ground 6 NC 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 X32B Attention Destruction or malfunction Due to three physically identical 9 pin male D sub connector plugs 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 102 2011 by TO Group Page 25 4 1 3 4 CAN 1 CAN 2 X1A Table 15 Plug connector CAN 1 and CAN 2 X14 Manufacturer Description Dual Standard D sub connector plug socket Top 9 pin male connector plug Bottom 15 pin female socket 55 C to 85 C Yamaichi DDPXR E9P E15S C4N CT The following table shows the configuration of the plug connector for both CAN interfaces Table 16 Pin assignment plug connector CAN 1 and CAN
59. ust 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 and the use of the device User s Manual STK MBa28 UM 102 2011 by TO Group Page 5 1 10 Acronyms and definitions The following acronyms and abbreviations are used in this document Table2 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

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