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PRELIMINARY
PCM AUDIO INTERFACE
S3C6400X RISC MICROPROCESSOR
37-12
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
INTERRUPT
CONTROL
REGISTER
The PCM_IRQ_CTL register is used to control the various aspects of the PCM interrupts.
Register
Address
R/W
Description
Reset Value
PCM_IRQ_CTL 0x7F009010
0x7F00A010
R/W
Control the PCM Interrupts
0x00000000
The bit definitions for the PCM_IRQ_CTL Control Register are described below:
PCM_IRQ_CTL
Bit
Description
Initial State
Reserved [31:15]
Reserved
EN_IRQ_TO_ARM
[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
0
Reserved [13]
Reserved
0
TRANSFER_DONE
[12]
Interrupt is generated every time the serial shift for a
word completes
1: IRQ source enabled
0: IRQ source disabled
0
TXFIFO_EMPTY [11]
Interrupt
is generated whenever the TxFIFO is
empty
1: IRQ source enabled
0: IRQ source disabled
0
TXFIFO_ALMOST_EMPTY [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
0