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PCM_CLK
PCM_SYNC
PCM_OUT
PCM_IN
PCM_CLK
PCM_SYNC
PCM_OUT
PCM_IN
The following table shows the pin definition of PCM and I2C interface which can be applied on audio
codec design.
Table 14: Pin Definition of PCM and I2C Interface
Pin Name
Pin No.
PCM_IN
24
EC25-V_User_Manual
69
1
2
MSB
MSB
Figure 22: Primary Mode Timing
1
2
MSB
MSB
Figure 23: Auxiliary Mode Timing
I/O
Description
DI
PCM data input
Confidential / Released
125us
255
256
LSB
MSB
MSB
LSB
125us
15
16
LSB
LSB
Comment
1.8V power domain
LTE Module Series
EC25-V User Manual
39 /
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