Auvidea X221D, Справочное руководство

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X221D & X221D-AI TECHNICAL REFERENCE MANUAL
VERSION: 0.3 Page 13 of 40 AUG.2022
5.7 J6 – CAN1
JST-GH 1.25mm
Pin Description Socket pin Note
1 NC Not powered
2 CAN1_TX H61 2.5V center voltage, with CAN transceiver
3 CAN1_RX B61 2.5V center voltage, with CAN transceiver
4 GND
CAN1 is RX/TX only and is not outputting power
5.8 J7 – I2C
PicoBlade 1.25mm
Pin Description Socket pin Note
1
3.3V
2 SCL J61 3.3V, open drain
3 SDA K61 3.3V, open drain
4 GND
5.9 J8 – FAN
PicoBlade 1.25mm
Pin Description Socket pin Note
1
GND
2 12V 1A
3 TACH E54 1.8V input 100K pull up to 1.8V, fan speed tacho
4 PWM K62 open drain output with 10k pullup to 12V
For the use of a 5V fan there is an option to resolder a component appropriately.
5.10 J10 – Debug port
JST-GH 1.25mm
Pin Description Socket pin Note
1 3.3V
2
UART3_TX
H62
3.3V, AGX Xavier debug console transmit
3 UART3_RX K60 3.3V, AGX Xavier debug console receive
4 GPIO13_OUT G7 3.3V, G7 (AGX Xavier ball), output from Jetson
5 GPIO4_IN B59 3.3V, B59 (AGX Xavier ball), input to Jetson
6 GND