Nvidia JETSON NANO - Table 10-2. Interface Signal Routing Requirements; Table 10-3. Audio Signal Connections

Audio
NVIDIA Jetson Nano DG-09502-001_v2.1 | 56
Table 10-2. Interface Signal Routing Requirements
Parameter Requirement Units Notes
Configuration / device organization 1 load
Max loading 8 pF
Reference plane GND
Breakout region impedance Min width/spacing
Trace impedance 50 Ω ±20%
Via proximity (signal to reference) < 3.8 (24) mm (ps) See note
Trace spacing Microstrip or Stripline 2x dielectric
Max trace length/delay ~22 (3600) In (ps)
Max trace length/delay skew between
SCLK
and
SDATA_OUT/IN
~1.6 (250) In (ps)
Note: Up to four signal vias can share a single
GND
return via.
Table 10-3. Audio Signal Connections
Module Pin Name Type Termination Description
I2S[1:0]_SCLK I/O I2S Serial Clock: Connect to I2S/PCM CLK pin of audio device.
I2S[1:0]_FS I/O I2S Frame Select (Left/Right Clock): Connect to corresponding pin of audio
device.
I2S[1:0]_DOUT I/O I2S Data Output: Connect to data input pin of audio device.
I2S[1:0]_DIN I I2S Data Input: Connect to data output pin of audio device.
GPIO09 O Audio Codec Master Clock: Connect to clock pin of audio codec.