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M14A2A User Manual
Figure 5.
Reset Signals circuit
2.6.
Digital interface
This section provides the required AC timing information relating to Module Digital Interfaces.
2.6.1.
PCM Interface
M14A2A
provides o e PCM digital audio i terfa e
The PCM interface enables communication with an external codec to support a linear format.
Figure 6.
Recommended circuit for the PCM interface
Use a TVS on the related interface to prevent electrostatic discharge and protect integrated -circuit (IC)
components.
2.6.2.
I2S Interface
PCM and I2S share the same pins on M14A2A, the PCM signal pins can be configured as an I2S interface.
Pad
Config1
Config2
46
PCM_SYNC
I2S_LRCK
47
PCM_DIN
I2S_DATA_IN