The Cortex-M4 Processor
ARM DUI 0553A Copyright © 2010 ARM. All rights reserved. 2-34
ID121610 Non-Confidential
See Wait for event on page 2-32 and the documentation supplied by your device vendor for more
information about this signal.
2.5.5 Power management programming hints
ISO/IEC C cannot directly generate the
WFI
and
WFE
instructions. The CMSIS provides the
following functions for these instructions:
void __WFE(void) // Wait for Event
void __WFI(void) // Wait for Interrupt
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