Connect Tech NVIDIA Jetson TX2 - System Expansion IO Connector - Detailed Signal Descriptions

Orbitty Carrier for NVIDIA® Jetson™ TX2/TX2i
Users Guide
www.connecttech.com
Document: CTIM-00471
Revision: 0.14
Page 12 of 31 Date: 2021-10-05
7
GPIO-0
8
GPIO-1
9
GPIO-2
10
GPIO-3
11
I2C CLK
12
I2C SDA
13
RECOVERY
14
RTC BAT INPUT
15
RESET
16
GND
17
POWER BUTTON
18
GND
19
GND
20
GND
System Expansion IO Connector – Detailed Signal Descriptions
Signal Name Description Type
Pin
Number(s)
+3.3V OUTPUT
+3.3V Power Output Pin
- Max output should be limited to 1A
- Please note there is no external fuse.
Output 1
+5V OUTPUT
+5V Power Output Pin
- Max output should be limited to 1A
- Please note there is no external fuse.
Output 2
UART0 TX
UART 0 Transmit Pin
- This signal is the UART port 0 output from
the TX2/TX2i/TX1 Module
- This is level shifted on the Orbitty carrier
to support 3.3V logic.
- Under L4T this port will show up as
/dev/ttyS0
Output
3.3V CMOS
3
UART0 RX
UART 0 Receive Pin
- This signal is the UART channel 0 input on
Input
3.3V CMOS
4