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PRELIMINARY
PCM AUDIO INTERFACE
S3C6400X RISC MICROPROCESSOR
37-10
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.
The PCM Tx FIFO REGISTER
Register
Address
R/W
Description
Reset Value
PCM_TXFIFO 0x7F009008
0x7F00A008
R/W
Control the PCM Audio Inteface
0x00000000
The bit definitions for the PCM_TXFIFO Register are described below:
PCM_TXFIFO
Bit
Description
Initial
State
Reserved [31:17]
Reserved
TXFIFO_DVALID
[16]
TXFIFO data is valid
Write: Not Valid
Read: TXFIFO read data valid
1: valid
0: invalid (probably read an empty fifo)
0
TXFIFO_DATA [15:0]
TXFIFO
DATA
Write: TXFIFO_DATA is written into the TXFIFO
Read: TXFIFO is read using the APB interface
NOTE:
reading the TXFIFO is meant to support debugging.
Online the TXFIFO is read by the PCM serial shift engine, not
the APB
0