
User's Manual l MBa6ULxL UM 0101 l © 2018, TQ-Systems Gmb Page i
TABLE OF CONTENTS
1. ABOUT T IS MANUAL ........................................................................................................................................................................1
1.1 Copyright and license expenses .....................................................................................................................................................1
1.2 Registered trademarks.......................................................................................................................................................................1
1.3 Disclaimer ..............................................................................................................................................................................................1
1.4 Imprint ....................................................................................................................................................................................................1
1.5 Tips on safety ........................................................................................................................................................................................2
1.6 Symbols and typographic conventions........................................................................................................................................2
1.7 andling and ESD tips........................................................................................................................................................................2
1.8 Naming of signals................................................................................................................................................................................3
1.9 Further applicable documents / presumed knowledge..........................................................................................................3
2. BRIEF DESCRIPTION.............................................................................................................................................................................3
3. TEC NICAL DATA ................................................................................................................................................................................4
3.1 System architecture and functionality..........................................................................................................................................4
3.1.1 MBa6ULxL Block diagram .................................................................................................................................................................4
3.1.2 Functionality .........................................................................................................................................................................................4
4. ELECTRONICS........................................................................................................................................................................................5
4.1 System components...........................................................................................................................................................................5
4.1.1 TQMa6ULxL ...........................................................................................................................................................................................5
4.1.2 Boot-Mode configuration .................................................................................................................................................................6
4.1.3 I2C address mapping...........................................................................................................................................................................8
4.1.4 Port replicator PCA9554BS signals.................................................................................................................................................9
4.1.5 Temperature sensor / SPD EEPROM...............................................................................................................................................9
4.1.6 RTC supply .............................................................................................................................................................................................9
4.1.7 Reset and Power ............................................................................................................................................................................... 10
4.1.8 Status LED ........................................................................................................................................................................................... 10
4.2 Communication interfaces ............................................................................................................................................................ 11
4.2.1 USB 2.0 i-Speed ost .................................................................................................................................................................... 11
4.2.2 USB 2.0 i-Speed OTG..................................................................................................................................................................... 12
4.2.3 Ethernet............................................................................................................................................................................................... 13
4.2.4 CAN ....................................................................................................................................................................................................... 14
4.2.5 Display interface ............................................................................................................................................................................... 14
4.2.6 Touch controller................................................................................................................................................................................ 15
4.2.7 Backlight control............................................................................................................................................................................... 15
4.2.8 Micro SD card connector................................................................................................................................................................ 16
4.2.9 Mini PCIe and SIM card socket...................................................................................................................................................... 17
4.2.10 SIM card socket.................................................................................................................................................................................. 19
4.2.11 20-pin headers................................................................................................................................................................................... 20
4.3 Diagnostic- and user interfaces.................................................................................................................................................... 21
4.3.1 Power-On and Reset-button ......................................................................................................................................................... 21
4.3.2 CAN termination............................................................................................................................................................................... 21
4.3.3 Debug interfaces RS-232 / USB..................................................................................................................................................... 21
4.4 Power supply ..................................................................................................................................................................................... 22
4.4.1 Protective circuitry ........................................................................................................................................................................... 22
4.4.2 Power consumption ........................................................................................................................................................................ 22
4.4.3 Power supply connector ................................................................................................................................................................ 22