AN2633 datasheet(24/48 Pages) STMICROELECTRONICS

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STR91xFA library low power mode functions

AN2633

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2.8

SCU_AHBPeriphClockConfig

AHBPeriph

The following values are allowed for the AHBPeriph parameter:

__FMI, __PFQBC, __SRAM, __SRAM_ARBITER, __VIC, __EMI, __EXT_MEM_CLK,

__DMA, __USB, __USB48M, __ENET.

2.9

SCU_APBPeriphIdleConfig

Function name

SCU_AHBPeriphClockConfig

Function prototype

void SCU_AHBPeriphClockConfig(u32 AHBPeriph, FunctionalState

NewState)

Behavior description

Disables / enables the clock for a peripheral or combination of

peripherals (use logical OR) on AHB bus

Input parameter1

AHBPeriph: __PPP, example: __DMA, __USB, ...

Refer to AHBPeriph for the allowed values.

Input parameter2

NewState: ENABLE or DISABLE

Output parameter

None

Return parameter

None

Required preconditions

None

Called functions

None

Function name

SCU_APBPeriphIdleConfig

Function prototype

void SCU_APBPeriphIdleConfig(u32 APBPeriph, FunctionalState

NewState)

Behavior description

Enables/disables the clock for a peripheral during Idle mode

Input parameter1

APBPeriph

Refer to APBPeriph on page 23 for the allowed values.

Input parameter2

NewState: ENABLE or DISABLE

Output parameter

None

Return parameter

None

Required preconditions

None

Called functions

None

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