Samsung S3C6400X User Manual page 1100

PCM AUDIO INTERFACE
PCM INTERRUPT CONTROL REGISTER
The PCM_IRQ_CTL register is used to control the various aspects of the PCM interrupts.
Register
PCM_IRQ_CTL 0x7F009010
0x7F00A010
The bit definitions for the PCM_IRQ_CTL Control Register are described below:
PCM_IRQ_CTL
Reserved
EN_IRQ_TO_ARM
Reserved
TRANSFER_DONE
TXFIFO_EMPTY
TXFIFO_ALMOST_EMPTY
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
37-12
Specifications and information herein are subject to change without notice.
Address R/W
R/W
Bit
[31:15] Reserved
[14] Controls whether or not the PCM interrupt is sent to
the ARM
1: PCM IRQ is forwarded to the ARM subsystem
0: PCM IRQ is NOT forwarded to the ARM
subsystem
[13] Reserved
[12] Interrupt is generated every time the serial shift for a
word completes
1: IRQ source enabled
0: IRQ source disabled
[11] Interrupt is generated whenever the TxFIFO is
empty
1: IRQ source enabled
0: IRQ source disabled
[10] Interrupt is generated whenever the TxFIFO is
ALMOST empty.
Almost empty is defined as FIXME words remaining
1: IRQ source enabled
0: IRQ source disabled
Description
Control the PCM Interrupts
Description
S3C6400X RISC MICROPROCESSOR
Reset Value
0x00000000
Initial State
0
0
0
0
0