Datasheet

194
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
12.8.3.3 Interrupt Set-pending Registers
Name: NVIC_ISPRx [x=0..7]
Access: Read/Write
Reset: 0x000000000
These registers force interrupts into the pending state, and show which interrupts are pending.
• SETPEND: Interrupt Set-pending
Write:
0: No effect.
1: Changes the interrupt state to pending.
Read:
0: Interrupt is not pending.
1: Interrupt is pending.
Notes: 1. Writing a 1 to an ISPR bit corresponding to an interrupt that is pending has no effect.
2. Writing a 1 to an ISPR bit corresponding to a disabled interrupt sets the state of that interrupt to pending.
31 30 29 28 27 26 25 24
SETPEND
23 22 21 20 19 18 17 16
SETPEND
15 14 13 12 11 10 9 8
SETPEND
76543210
SETPEND