Samsung S3C2451X User Manual page 247

S3C2451X RISC MICROPROCESSOR
SUB SOURCE PENDING (SUBSRCPND) REGISTER
You can clear a specific bit of the SUBSRCPND register by writing a data to this register. It clears only the bit
positions of the SUBSRCPND register corresponding to those set to one in the data. The bit positions
corresponding to those that are set to 0 in the data remains as they are.
Register
SUBSRCPND 0X4A000018
Address R/W
R/W Indicate the interrupt request status.
0 = The interrupt has not been requested.
1 = The interrupt source has asserted the interrupt
request.
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.
Description
INTERRUPT CONTROLLER
Reset Value
0x00000000
10-21