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6.18. SPDIF Internal Audio Header (J10) .................................................................................................................................................... 45
6.19. SPI/I2C3 (J26) .......................................................................................................................................................................................... 45
6.20. M.2 Connector (B-Key) (J1) ................................................................................................................................................................ 46
6.21. Serial COM/RS232 P3 (J19) ................................................................................................................................................................. 48
6.22. Serial COM/UART P1 (J25) .................................................................................................................................................................. 48
6.23. Camera connector (J5, J6)................................................................................................................................................................... 49
6.24. Thermal Sensor (U24) .......................................................................................................................................................................... 51
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Bootloader Operation....................................................................................................................................................................... 52
7.1. Copyrights and Licensing of U-Boot .................................................................................................................................................. 52
7.2. Bootloader Quickstart ............................................................................................................................................................................ 52
7.3. Bootloader Commands .......................................................................................................................................................................... 53
7.4. Kontron Bootloader Command Extensions .................................................................................................................................... 54
7.4.1. kboardinfo - Kontron Board Information ...................................................................................................................................... 54
7.4.2. md5sum - MD5 Message Digest .................................................................................................................................................... 54
7.4.3. Watchdog - CPU Watchdog Control .............................................................................................................................................. 55
7.5. Bootloader Environment ....................................................................................................................................................................... 55
7.6. Bootloader Environment Update ....................................................................................................................................................... 56
7.7. Kontron Bootloader Environment Extensions ................................................................................................................................ 57
7.8. Bootloader Mass Storage Support ..................................................................................................................................................... 57
7.8.1. QSPI flash ................................................................................................................................................................................................. 57
7.8.2. SD Card and eMMC Devices ............................................................................................................................................................... 57
7.8.3. USB Storage Device ............................................................................................................................................................................. 58
7.9. Bootloader File System Support ......................................................................................................................................................... 58
7.9.1. EXT4 File System Write Support ...................................................................................................................................................... 58
7.10. Bootloader Network Support............................................................................................................................................................. 58
7.11. Bootloader Boot Source Support....................................................................................................................................................... 59
7.12. Bootloader Boot Counter ..................................................................................................................................................................... 59
7.13. Bootloader Update ................................................................................................................................................................................ 59
8/
Technical Support .............................................................................................................................................................................. 61
8.1. Warranty ...................................................................................................................................................................................................... 61
8.2. Returning Defective Merchandise ...................................................................................................................................................... 61
List of Acronyms .............................................................................................................................................................................................. 63
About Kontron .................................................................................................................................................................................................. 64
List of Tables
Table 1: Component Main Data .................................................................................................................................................................... 13
Table 2: Scope of Delivery pITX-iMX8M ................................................................................................................................................... 14
Table 3: Scope of pITX-iMX8M Kit .............................................................................................................................................................. 14
Table 4: Component Main Data ................................................................................................................................................................... 18
Table 5: Environmental Conditions............................................................................................................................................................ 20
Table 6: Connector Definitions .................................................................................................................................................................... 27
Table 7: Processor Support .......................................................................................................................................................................... 28
Table 8: Pin Assignment MicroSIM Combo Socket ............................................................................................................................... 30
Table 9: Pin Assignment Dual Ethernet..................................................................................................................................................... 31
Table 10: Left LED Signal Description ....................................................................................................................................................... 32
Table 11: Right LED Signal Description ...................................................................................................................................................... 32
Table 12: Pin Assignment Dual USB ........................................................................................................................................................... 33
Table 13: Signal Description ......................................................................................................................................................................... 33
Table 14: Fan Header Mapping .................................................................................................................................................................... 35
Table 15: Signal Description ......................................................................................................................................................................... 35
pITX-iMX8M - Rev. 0.7 Preliminary
www.kontron.com
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