AN2633 datasheet(22/48 Pages) STMICROELECTRONICS

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STR91xFA library low power mode functions

AN2633

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2.5

SCU_PCLKDivisorConfig

2.6

SCU_FMICLKDivisorConfig

Function name

SCU_PCLKDivisorConfig

Function prototype

void SCU_PCLKDivisorConfig(u32 PCLK_Divisor)

Behavior description

Selects the PCLK divisor: 1,2,4 or 8

Input parameter

PCLK_Divisor: Refer to Table 6: PCLK_Divisor for the allowed values.

Output parameter

None

Return parameter

None

Required preconditions

None

Called functions

None

Function name

SCU_PCLKDivisorConfig

Table 6.

PCLK_Divisor

Meaning

SCU_PCLK_Div1

PCLK Divisor = 1

SCU_PCLK_Div2

PCLK Divisor = 2

SCU_PCLK_Div4

PCLK Divisor = 4

SCU_PCLK_Div8

PCLK Divisor = 8

Function name

SCU_FMICLKDivisorConfig

Function prototype

void SCU_FMICLKDivisorConfig(u32 FMICLK_Divisor)

Behavior description

Selects the FMI clock Divisor: 1 or 2

Input parameter

FMICLK_Divisor: Refer to Table 7: FMICLK_Divisor for the allowed

values.

Output parameter

None

Return parameter

None

Required preconditions

None

Called functions

None

Table 7.

FMICLK_Divisor

Meaning

SCU_FMICLK_Div1

FMICLK Divisor = 1

SCU_FMICLK_Div2

FMICLK Divisor = 2

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