ST STM32F0 Series User Manual

The STM32 Cortex-M0 instruction set PM0215
66/91 Doc ID 022979 Rev 1
3.7.8 NOP
No operation.
Syntax
NOP
Operation
NOP does nothing. NOP is not necessarily a time-consuming NOP. The processor might
remove it from the pipeline before it reaches the execution stage.
Use NOP for padding, for example to place the following instruction on a 64-bit boundary.
Restrictions
None
Condition flags
This instruction does not change the flags.
Examples
NOP ; No operation
3.7.9 SEV
Send event.
Syntax
SEV
Operation
SEV is a hint instruction that causes an event to be signaled to all processors within a
multiprocessor system. It also sets the local event register to 1, see Power management on
page 28 and WFE on page 67.
Restrictions
None
Condition flags
This instruction does not change the flags.
Examples
SEV ; Send Event

ST STM32F0 Series Specifications

General

Brand	ST
Model	STM32F0 Series
Category	Microcontrollers
Language	English