Audio - Nvidia Jetson TX2 Manual

10.0 AUDIO

Jetson TX2/TX2i brings four PCM/I2S audio interfaces to the module pins & includes a flexible audio-port sw itching architecture.
In addition, digital microphone & speaker interfaces are provided.
Table 59. Audio Pin Descriptions
Pin # Module Pin Name
F1 AUDIO_MCLK
G2 I2S0_CLK
H1 I2S0_LRCLK
G1 I2S0_SDIN
H2 I2S0_SDOUT
C15 I2S1_CLK
D13 I2S1_LRCLK
C14 I2S1_SDIN
D14 I2S1_SDOUT
G5 I2S2_CLK
H5 I2S2_LRCLK
G6 I2S2_SDIN
H6 I2S2_SDOUT
E6 I2S3_CLK
F5 I2S3_LRCLK
E5 I2S3_SDIN
F6 I2S3_SDOUT
E16 AO_DMIC_IN_CLK
D16 AO_DMIC_IN_DAT
G4 DSPK_OUT_CLK
H4 DSPK_OUT_DAT
F2 GPIO19_AUD_RST
H3 GPIO20_AUD_INT
When possible, the follow ing assignments should be used for the I2Sx interfaces.
Table 60. I2S Interface Mapping
Module Pins (Tegra Functions)
I2S0 (I2S1)
I2S1 (I2S2)
I2S2 (I2S3)
I2S3 (I2S4)
NA (I2S6)
JETSON TX2/TX2i OEM PRODUCT | DESIGN GUIDE | 20180618
Tegra Signal Usage/Description
AUD_MCLK Audio Codec Master Clock
DAP1_SCLK I2S Audio Port 0 Clock
DAP1_FS I2S Audio Port 0 Left/Right Clock
DAP1_DIN I2S Audio Port 0 Data In
DAP1_DOUT I2S Audio Port 0 Data Out
DAP2_SCLK I2S Audio Port 1 Clock
DAP2_FS I2S Audio Port 1 Left/Right Clock
DAP2_DIN I2S Audio Port 1 Data In
DAP2_DOUT I2S Audio Port 1 Data Out
DMIC2_DAT I2S Audio Port 2 Clock
DMIC1_CLK I2S Audio Port 2 Left/Right Clock
DMIC1_DAT I2S Audio Port 2 Data In
DMIC2_CLK I2S Audio Port 2 Data Out
DAP4_SCLK I2S Audio Port 3 Clock
DAP4_FS I2S Audio Port 3 Left/Right Clock
DAP4_DIN I2S Audio Port 3 Data In
DAP4_DOUT I2S Audio Port 3 Data Out
CAN_GPIO1 Digital Mic Input Clock
CAN_GPIO0 Digital Mic Input Data
GPIO_AUD3 Digital Speaker Output Clock
GPIO_AUD2 Digital Speaker Output Data
GPIO_AUD1 Audio Codec Reset or GPIO
GPIO_AUD0 Audio Codec Interrupt or GPIO
I/O Block
AUDIO
CONN
AUDIO_HV
AUDIO_HV
DMIC_HV
NVIDIA Jetson TX2/TX2i OEM Product Design Guide
Usage on the Carrier
Direction
Board
Output
Expansion Header
GPIO Expansion
Header
M.2 Key E
Camera Connector
Expansion Header Output
GPIO Expansion
Output
Header
Output
Output
Expansion Header
Typical Usage
Available (Codec)
Available (Misc)
Available (WLAN / BT, Modem)
Available (Misc)
Jetson TX2: Used for on-module WLAN / BT
Jetson TX2i: Unused – not brought to module pins.
Pin Type
CMOS – 1.8V
Bidir CMOS – 1.8V
Bidir CMOS – 1.8V
Input CMOS – 1.8V
Bidir CMOS – 1.8V
Bidir CMOS – 1.8V
Bidir CMOS – 1.8V
Input CMOS – 1.8V
Bidir CMOS – 1.8V
Bidir CMOS – 1.8V
Bidir CMOS – 1.8V
Input CMOS – 1.8V
Bidir CMOS – 1.8V
Bidir CMOS – 1.8V
Bidir CMOS – 1.8V
Input CMOS – 1.8V
Bidir CMOS – 1.8V
CMOS – 1.8V
Input CMOS – 1.8V
CMOS – 1.8V
CMOS – 1.8V
CMOS – 1.8V
Input CMOS – 1.8V
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