CLM920_AC5 Mini PCIE LTE Module Hardware Manual
Shanghai Yuge Information Technology co., LTD
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Figure 3-20 Comparison of received signal strength of antennas with and without diversity
3.10.3 PCM digital voice interface
CLM920_AC5 Mini PCIE module provides a set of PCM audio interfaces, supports 8-bit A
rate, U rate and 16-bit linear short frame encoding format, PCM_SYNC is 8kHZ, PCM_CLK
is 2048kHZ.
Table 3-15 PCM pin definition
Pin number
Signal name
I/O
Description
45
PCM_CLK
D0
PCM clock pulse
47
PCM_DOUT
D0
PCM data output
49
PCM_DIN
DI
PCM data input
51
PCM_SYNC
DO
PCM frame synchronization signal
Table 3-16 PCM specific parameters
Characteristic
Description
Encoding format
Linear
Data bit
16bits
Master-slave mode
Master/slave mode
PCM clock
2048kHz
PCM frame synchronization Short frame
Data Format
MSB