X221, -LC, -AI
TECHNICAL REFERENCE MANUAL
VERSION: 1.4
Page 14 of 38
5.6
J8 - FAN
Pico blade 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.
5.7
J10 - Debug
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
5.8
J11 - HDMI
Standard pinout, connected to DP-2
5.9
J12 - CAN0
JST-GH 1.25mm
Pin
Description
Socket pin
Note
1
5V
max 500mA (with current limiting switch)
2
CAN0_H
F58
2.5V center voltage, with CAN transceiver
3
CAN0_L
D59
2.5V center voltage, with CAN transceiver
4
GND