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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
PCM AUDIO INTERFACE
37-1
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
37
PCM AUDIO INTERFACE
This chapter describes the functions and usage of PCM Audio interface in S3C6400X RISC microprocessor.
OVERVIEW
The PCM Audio Interface module provides PCM bi-directional serial interface to an external Codec.
FEATURE
The PCM Audio interface includes the following features:
z
Master mode: This block always sources the main shift clock.
z
All PCM serial timings, strobes and the main shift clock are based on an external PCM Audio clock
input.
z
Optional timing based on the internal APB PCLK.
z
Input and output FIFOs to buffer data.
z
Optional DMA interface for Tx and/or Rx .