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PM0215 数据表(PDF) 68 Page - STMicroelectronics

部件名 PM0215
功能描述  STM32F0xxx Cortex-M0 programming manual
PDF  91 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM0215 数据表(HTML) 68 Page - STMicroelectronics

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The STM32 Cortex-M0 instruction set
PM0215
68/91
Doc ID 022979 Rev 1
3.7.12
WFI
Wait for Interrupt.
Syntax
WFI
Operation
WFI is a hint instruction that suspends execution until one of the following events occurs:
●
An exception
●
An interrupt becomes pending which would preempt if PRIMASK was clear
●
A Debug Entry request, regardless of whether Debug is enabled.
WFI is intended for power saving only. When writing software assume that WFI might
behave as a NOP operation.
Restrictions
None
Condition flags
This instruction does not change the flags.
Examples
WFI ; Wait for interrupt



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