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Table 18: Pins Description of I2S Interfaces
Pin Name
I2S3_SCLK
I2S3_LRCK
I2S3_DOUT
I2S3_DIN
I2S3_MCLK
4.7. PDM Interface
The module supports 1 group of digital audio interface. The interface supports up to 6-lane PDM audio
input. The sampling rate is up to 192 kHz and the bit rate is from 16 bits to 32 bits.
Table 19: Pins Description of PDM Interface
Pin Name
PDM_CLK1
PDM_DIN1
PDM_DIN2
PDM_DIN3
4.8. Analog Audio Interfaces
The module provides 1 analog input channels and 2 analog output channels:
Table 20: Pins Description of Analog Audio Interfaces
Pin Name
HPH_L
SG368Z_Series_Hardware_Design
Pin No.
386
388
380
383
376
Pin No.
258
253
248
243
Pin No.
I/O
Description
100
AO
Headphone left channel output
I/O
Description
DO
I2S3 bit clock
DO
I2S3 channel select
DO
I2S3 data output
DI
I2S3 data input
DO
I2S3 master clock
I/O
Description
DO
PDM clock 1
DI
PDM data input 1
DI
PDM data input 2
DI
PDM data input 3
Smart Module Series
Comment
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