Pcm Fifo Status Register - Samsung S3C2416 User Manual

PCM AUDIO INTERFACE

3.10 PCM FIFO STATUS REGISTER

The PCM_FIFO_STAT register is used to report FIFO status.
Register
PCM_FIFO_STAT
The bit definitions for the PCM_FIFO_STATUS Register are shown below:
PCM_FIFO_STAT
Reserved
TXFIFO_COUNT
TXFIFO_EMPTY
TXFIFO_ALMOST_EMPTY
TXFIFO_FULL
TXFIFO_ALMOST_FULL
RXFIFO_COUNT
RXFIFO_EMPTY
RXFIFO_ALMOST_EMPTY
RX_FIFO_FULL
RX_FIFO_ALMOST_FULL
25-16
Address R/W
0x5C000018 R
Bit
[31:20]
Reserved
[19:14]
TX FIFO data count(0 ~ 32).
[13]
1 = TXFIFO is empty
0 = TXFIFO is not empty
[12]
1 = TXFIFO is ALMOST_EMPTY
0 = TXFIFO is not ALMOST_EMPTY
[11]
1 = TXFIFO is full
0 = TXFIFO is not full
[10]
1 = TXFIFO is ALMOST_FULL
0 = TXFIFO is not ALMOST_FULL
[9:4]
RX FIFO data count(0 ~ 32).
[3]
1 = RXFIFO is empty
0 = RXFIFO is not empty
[2]
1 = RXFIFO is ALMOST_EMPTY
0 = RXFIFO is not ALMOST_EMPTY
[1]
1 = RXFIFO is full
0 = RXFIFO is not full
[0]
1 = RXFIFO is ALMOST_FULL
0 = RXFIFO is not ALMOST_FULL
Description
PCM FIFO Status
Description
S3C2416X RISC MICROPROCESSOR
Reset Value
0x00000000
Initial State
0
0
0
0
0
0
0
0
0