I/O Port External Interrupt Clear Register - Samsung S3C2501X User Manual

I/O PORTS
12.3.5 I/O PORT EXTERNAL INTERRUPT CLEAR REGISTER (IOPEXTINTPND)
External interrupt clear register (IOPEXTINTPND) is set when external interrupt is generated, and you can clear
the interrupt status by writing the IOPEXTINTPND status register to '1'.
Register
IOPEXTINTPND 0xF0030018
31
IOPEXTINTPND
Figure 12-6. I/O Port External Interrupt Clear Register (IOPEXTINTPND)
12-10
Table 12-6. IOPEXTINTPND Register
Address R/W
R/W
NOTE: IOPEXTINTPND is set when external interrupt is generated and is cleared
by writing '1' to the appropriate bit of IOPEXTINTPND register.
[5] EXTINTCLR5
[4] EXTINTCLR4
[3] EXTINTCLR3
[2] EXTINTCLR2
[1] EXTINTCLR1
[0] EXTINTCLR0
Description

I/O port external interrupt clear register

Reserved
S3C2501X
Reset Value
0x00000000
6 5 4 3 2 1 0
X X X X X X