Chapter 10. Audio; Table 10-1. Jetson Tx2 Nx Audio Pin Description - Nvidia Jetson TX2 NX Manual

Chapter 10. Audio

Jetson TX2 NX supports multiple PCM/I2S audio interfaces and includes a flexible audio-port
switching architecture.
Table 10-1. Jetson TX2 NX Audio Pin Description
Jetson TX2 NX
Pin # Module Pin Name
Function
193 I2S0_DOUT I2S0_DOUT
195 I2S0_DIN I2S0_DIN
197 I2S0_FS I2S0_FS
199 I2S0_SCLK I2S0_SCLK
220 I2S1_DOUT I2S1_DOUT
222 I2S1_DIN I2S1_DIN
224 I2S1_FS I2S1_FS
226 I2S1_SCLK I2S1_SCLK
124 GPIO02 I2S2_DOUT
126 GPIO03 I2S2_DIN
127 GPIO04 I2S2_FS
128 GPIO05 I2S2_SCLK
112 SPI1_CS1* I2S3_DIN
218 GPIO12 I2S3_DOUT
130 GPIO06 I2S3_FS
212 GPIO10 I2S3_SCLK
211 GPIO09
Notes:
1. In the Type/Dir column, Output is from Jetson TX2 NX. Input is to Jetson TX2 NX. Bidir is for Bidirectional signals.
2. The directions for pins with I2S functions and GPIO09 are true when used for those functions. Otherwise as GPIOs, the
directions are bidirectional.
NVIDIA Jetson TX2 NX
Tegra X2 Signal Usage/Description
DAP1_DOUT I2S Audio Port 0 Data Out
DAP1_DIN I2S Audio Port 0 Data In
I2S Audio Port 0 Left/Right
DAP1_FS
Clock
DAP1_SCLK I2S Audio Port 0 Clock
DMIC2_CLK I2S Audio Port 1 Data Out
DMIC1_DAT I2S Audio Port 1 Data In
I2S Audio Port 1 Left/Right
DMIC1_CLK
Clock
DMIC2_DAT I2S Audio Port 1 Clock
GEN7_I2C_SDA I2S Audio Port 2 Data Out
GEN9_I2C_SCL I2S Audio Port 2 Data In
I2S Audio Port 2 Left/Right
GEN9_I2C_SDA
Clock
GEN7_I2C_SCL I2S Audio Port 2 Clock
DAP2_DIN I2S Audio Port 3 Data In
DAP2_DOUT I2S Audio Port 3 Data Out
DAP2_FS I2S Audio Port 3 Left/Right
Clock
DAP2_SCLK I2S Audio Port 3 Clock
AUD_MCLK GPIO #9 or Audio Codec Master
Clock
Usage on DevKit
Direction
Carrier Board
Output
Input
Expansion Header
Bidir
Bidir
Output
Input
Bidir
M.2 Key E
Bidir
Output
Input
Power LED control Bidir
Bidir
M.2 Key E
Input
Expansion Header Output
Camera mux select Bidir
M.2 Key E Bidir
Expansion Header Output
DG-10141-001_v1.1 | 54
Pin Type
CMOS – 1.8V
CMOS – 1.8V
CMOS – 1.8V
CMOS – 1.8V