Datasheet

74
11011B–ATARM–21-Feb-12
SAM3N
In addition, if the SEVONPEND bit in the SCR is set to 1, any new pending interrupt triggers an
event and wakes up the processor, even if the interrupt is disabled or has insufficient priority to
cause exception entry. For more information about the SCR see “System Control Register” on
page 173.
10.8.3 Power management programming hints
ANSI C cannot directly generate the WFI and WFE instructions. The CMSIS provides the follow-
ing intrinsic functions for these instructions:
void __WFE(void) // Wait for Event
void __WFE(void) // Wait for Interrupt