Preliminary
S3C2451X RISC MICROPROCESSOR
PCM AUDIO INTERFACE
28
-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_RXFIFO0 0x5C00000C R/W
PCM0 interface Receive FIFO data
register
0x00010000
PCM_RXFIFO1 0x5C00010C R/W
PCM1 interface Receive FIFO data
register
0x00010000
The bit definitions for the PCM_RXFIFO Register are shown below:
PCM_RXFIFOn Bit
Description
Initial
State
Reserved [31:17]
Reserved
RXFIFO_DVALID
[16]
RXFIFO data is valid
Write: don’t care
Read: TXFIFO read data valid
1: valid
0: invalid (probably read an empty fifo)
1
RXFIFO_DATA
[15:0]
Write: Write PCM data to RXFIFO for debugging RXFIFO
Read: Read PCM data from RXFIFO
NOTE:
the RXFIFO is written by the PCM serial shift engine
0