Chapter 11. Audio; Table 11-1. Audio Pin Descriptions - Nvidia Jetson Xavier NX Design Manual

Chapter 11. Audio

Xavier supports multiple PCM and I2S audio interfaces. It also includes a flexible audio port
switching architecture.

Table 11-1. Audio Pin Descriptions

Module Pin
Pin # Xavier Signal
Name
199 I2S0_SCLK DAP5_SCLK
197 I2S0_FS DAP5_FS
193 I2S0_DOUT DAP5_DOUT
195 I2S0_DIN DAP5_DIN
226 I2S1_SCLK DAP3_SCLK
224 I2S1_FS DAP3_FS
220 I2S1_DOUT DAP3_DOUT
222 I2S1_DIN DAP3_DIN
211 GPIO09 AUD_MCLK
Notes:
1. In the Type/Dir column, Output is from Jetson Xavier NX. Input is to Jetson Xavier NX. Bidir is for Bidirectional signals.
2. The direction indicated for I2S[1:0]_DOUT and _DIN are associated with their use as I2S data lines. The direction for GPIO09 is
associated with its use as Audio Clock. The pins support GPIO functionality, so support both input and output operation
(bidirectional).
NVIDIA Jetson Xavier NX
Usage/Description
I2S Audio Port 0 Clock
I2S Audio Port 0 Left/Right Clock
I2S Audio Port 0 Data Out
I2S Audio Port 0 Data In
I2S Audio Port 1 Clock
I2S Audio Port 1 Left/Right Clock
I2S Audio Port 1 Data Out
I2S Audio Port 1 Data In
GPIO #9 or Audio Codec Clock
Recommended Directio
Pin Type
Usage n
Bidir
Bidir
Output
Audio Device
(note)
Input
(note)
Bidir CMOS –
1.8V
Bidir
Audio Device
Output
(i.e. M.2 Key E)
(note)
Input
(note)
Output
Audio Device
(note)
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