Quectel SG368Z-AP User Manual

Smart Module Series
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Table 18: Pins Description of I2S Interfaces
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
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
Pin No.
I/O
Description
I2S3_SCLK
386
DO
I2S3 bit clock
I2S3_LRCK
388
DO
I2S3 channel select
I2S3_DOUT
380
DO
I2S3 data output
I2S3_DIN
383
DI
I2S3 data input
I2S3_MCLK
376
DO
I2S3 master clock
Pin Name
Pin No.
I/O
Description
PDM_CLK1
258
DO
PDM clock 1
PDM_DIN1
253
DI
PDM data input 1
PDM_DIN2
248
DI
PDM data input 2
PDM_DIN3
243
DI
PDM data input 3
Pin Name
Pin No.
I/O
Description
Comment
HPH_L
100
AO
Headphone left channel output

Quectel SG368Z-AP Specifications

General

Brand	Quectel
Model	SG368Z-AP
Category	Control Unit
Language	English