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AN2633

STR91xFA library low power mode functions

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2.7

SCU_APBPeriphClockConfig

APBPeriph

The following values are allowed for the APBPeriph parameter:

__TIM01, __TIM23, __MC, __UART0, __UART1, __UART2, __I2C0, __I2C1,

__SSP0, __SSP1, __CAN, __ ADC, __WIU, __GPIO0, __GPIO1,

__GPIO2, __GPIO3, __GPIO4, __GPIO5, __GPIO6, __GPIO7, __GPIO8,

__GPIO9, __RTC.

Note:

SCU_PCGR1 Register bit 12 is “don’t care” in the STR91xFA. The system clock to the

Watchdog Block is always running.

Function name

SCU_APBPeriphClockConfig

Function prototype

void SCU_APBPeriphClockConfig(u32 APBPeriph, FunctionalState

NewState)

Behavior description

Disables/ enables a clock for a peripheral or combination of

peripherals (uses logical OR) on APB bus

Input parameter1

APBPeriph: __PPP, example: __RTC , __GPIO0, Refer to section

APBPeriph 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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