Astro Carrier for NVIDIA® Jetson™ TX2/TX2i
Users Guide
Document: CTIM-00456
Revision: 0.24
Page 27 of 47
Date: 2021-10-04
Switch 7 of SW1 MUST be in the ON position in order for USB2 port 0 to work as a host port as shown
above.
USB 3.0 – HDC
Function
USB 3.0
Location
P2
HDC Bank
A
Pins
25, 27, 31, 33
Design Instruction
No additional circuitry required
USB magnetics (ESDS/EMI) placed on Astro Carrier
Route direct to header/connector/device
System/I2C/GPIO – HDC
The System pins include a power button, two reset signals, sleep input, battery low input, optional RTC
battery input, and a force recovery input signal for the Jetson™ TX2 or TX2i module.
Function
System/I2C/GPIO
Location
P2
HDC Bank
A
P/N
53261-0471
Mating
51021-0400
Pins
Signal Name
HDC Pin
BATLOW#
3
RTC_BAT
2 and 4
RESET_IN#
5
PWRBTN#
7
SLEEP#
9
RESET_OUT#
11
GPIO8
128
GPIO9
126
