Nvidia JETSON TX2 User Manual page 9

Optional
SPDIF OUT
or GPIO
SPDIF IN
or GPIO
Jetson TX2 Developer Kit
Signal
Default Pin
voltage
Ground 21 22
I2S1 CLK 1.8V 23 24
I2S1
1.8V 25 26
SDIN
DSPK
1.8V 27 28
OUT CLK
DSPK
1.8V 29 30
OUT DAT
Signal
Default Optional
voltage
1.8V GPIO
I2S1
1.8V
SDOUT
I2S1
1.8V
LRCLK
Ground
Not Used
DA_09452-003 | 9