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X221, -LC, -AI
TECHNICAL REFERENCE MANUAL
VERSION: 1.7
Page 2 of 43
Feb.202
Contents
SECTION 1 Document revisions and changes ................................................................ 5
SECTION 2 Product revisions, changes and problems .................................................... 6
2.1 Bootproblem ................................................................................................................................................ 6
SECTION 3 Overview .................................................................................................... 8
3.1 Model comparison ....................................................................................................................................... 8
3.2 Technical specification ................................................................................................................................. 9
3.3 Model pictures ........................................................................................................................................... 10
3.4 Power consumption ................................................................................................................................... 11
SECTION 4 Features ..................................................................................................... 12
4.1 Crypto authentication chip ........................................................................................................................ 12
4.2 Safety MCU ................................................................................................................................................ 12
4.2.1 Features ............................................................................................................................................. 12
4.2.2 Block diagram of Safety MCU ............................................................................................................ 12
4.2.3 Schematic of Safety MCU section ...................................................................................................... 13
4.2.4 Pinout basic MCU .............................................................................................................................. 14
SECTION 5 Pinout description ...................................................................................... 15
5.1 J2 - POWER PORT ....................................................................................................................................... 15
5.2 J4 - Ethernet ............................................................................................................................................... 15
5.3 J5 - MCU UART ........................................................................................................................................... 15
5.4 J6 - CAN1 .................................................................................................................................................... 15
5.5 J7 - I2C ........................................................................................................................................................ 15
5.6 J8 - FAN ...................................................................................................................................................... 16
5.7 J10 - Debug ................................................................................................................................................ 16
5.8 J11 - HDMI.................................................................................................................................................. 16
5.9 J12 - CAN0 .................................................................................................................................................. 16
5.10 J14 - MCU ................................................................................................................................................... 17
5.11 J15 - 2x USB 3.1 .......................................................................................................................................... 17
5.12 J17 - MICRO USB ........................................................................................................................................ 18
5.13 J18 Wi-Fi .................................................................................................................................................. 18
5.14 J19 - SUPER CAP UPS .................................................................................................................................. 18
5.15 J20 - PCIEx4/x1/USB/UART/I2C/GPIO ........................................................................................................ 18
5.16 J21 - POWER BUTTON ................................................................................................................................ 20
5.17 J22 - ETHERNET .......................................................................................................................................... 20
5.18 J23 - I2S/I2C ............................................................................................................................................... 20
5.19 J25 - FORCE RECOVERY BUTTON................................................................................................................ 20
5.20 J26 - RESET BUTTON .................................................................................................................................. 20
5.21 J27 - MICRO SD-CARD/UFS SLOT ............................................................................................................... 21
5.22 J28 - CSI-2 ................................................................................................................................................... 21
5.23 J29 - USB 2.0 .............................................................................................................................................. 23
5.24 J31 - POWER OUT....................................................................................................................................... 23
5.25 J32 USB(3) ............................................................................................................................................... 23

Table of Contents