Atmel SAM4S Xplained Pro Starter Kit Atmel ATSAM4S-XSTK ATSAM4S-XSTK Data Sheet
Product codes
ATSAM4S-XSTK
181
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
12.8.3.4 Interrupt Clear-pending Registers
Name:
NVIC_ICPRx [x=0..7]
Access: Read-write
Reset: 0x000000000
These registers remove the pending state from interrupts, and show which interrupts are pending.
• CLRPEND: Interrupt Clear-pending
Write:
0: No effect.
1: Removes the pending state from an interrupt.
Read:
0: Interrupt is not pending.
1: Interrupt is pending.
Note:
Writing 1 to an ICPR bit does not affect the active state of the corresponding interrupt.
31
30
29
28
27
26
25
24
CLRPEND
23
22
21
20
19
18
17
16
CLRPEND
15
14
13
12
11
10
9
8
CLRPEND
7
6
5
4
3
2
1
0
CLRPEND