LTE Module Series
EG95 Hardware Design
EG95_Hardware_Design 43 / 81
PCM_CLK
PCM_SYNC
PCM_DOUT
MSB
LSB
MSB
125us
1
2
256
255
PCM_DIN
MSB
LSB
MSB
Figure 24: Primary Mode Timing
PCM_CLK
PCM_SYNC
PCM_DOUT
MSB
LSB
PCM_DIN
125us
MSB
1
2
32
31
LSB
Figure 25: Auxiliary Mode Timing
The following table shows the pin definition of PCM and I2C interfaces which can be applied on audio
codec design.