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PM0215 数据表(PDF) 62 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) 62 Page - STMicroelectronics

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The STM32 Cortex-M0 instruction set
PM0215
62/91
Doc ID 022979 Rev 1
3.7.2
CPSID CPSIE
Change processor state.
Syntax
CPSID i
CPSIE i
Operation
CPS changes the PRIMASK special register values. CPSID causes interrupts to be disabled
by setting PRIMASK. CPSIE cause interrupts to be enabled by clearing PRIMASK. See
Exception mask registers on page 15 for more information about these registers.
Restrictions
None
Condition flags
This instruction does not change the condition flags.
Examples
CPSID i ; Disable all interrupts except NMI (set PRIMASK)
CPSIE i ; Enable interrupts (clear PRIMASK)



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