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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
PCM AUDIO INTERFACE
37
-11
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.
PCM
R
X
FIFO
REGISTER
Register
Address
R/W
Description
Reset Value
PCM_RXFIFO 0x7F00900C
0x7F00A00C
R/W
Control the PCM Audio Inteface
0x00000000
The bit definitions for the PCM_RXFIFO Register are described below:
PCM_RXFIFO
Bit
Description
Initial
State
Reserved [31:17]
Reserved
RXFIFO_DVALID
[16]
RXFIFO data is valid
Write: Not Valid
Read: TXFIFO read data valid
1: valid
0: invalid (probably read an empty fifo)
0
RXFIFO_DATA [15:0]
RXFIFO
DATA
Write: RXFIFO_DATA is written into the RXFIFO
NOTE:
writing the RXFIFO is meant to support debugging.
Online the RXFIFO is written by the PCM serial shift engine,
not the APB
Read: TXFIFO is read using the APB interface
0