AN2476 datasheet(28/49 Pages) STMICROELECTRONICS

номер детали	AN2476

подробное описание детали	STR75x low power modes

PDF	49 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

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STR750 library low power mode functions

AN2476

28/49

MRCC_HCLK

To configure the AHB clock, use one of the following values:

Example:

/* Configure HCLK such as HCLK = CK_SYS */

MRCC_HCLKConfig(MRCC_CKSYS_Div1);

2.3

MRCC_CKTIMConfig

MRCC_CKTIM

To configure the TIM clock, use one of the following values:

Example:

/* Configure CKTIM such as CKTIM = HCLK/2 */

MRCC_CKTIMConfig(MRCC_HCLK_Div2);

MRCC_HCLK

Meaning

MRCC_CKSYS_Div1

AHB clock = CK_SYS

MRCC_CKSYS_Div2

AHB clock = CK_SYS/2

MRCC_CKSYS_Div4

AHB clock = CK_SYS/4

MRCC_CKSYS_Div8

AHB clock = CK_SYS/8

Function Name

MRCC_CKTIMConfig

Function Prototype

void MRCC_CKTIMConfig(u32 MRCC_CKTIM)

Behavior Description

Configures the TIM clock (CK_TIM).

Input Parameter

MRCC_CKTIM: defines the TIM clock. This clock is derived from the

AHB clock(HCLK).

Refer to section “MRCC_CKTIM” for more details on the allowed values

of this parameter.

Output Parameter

None

Return Parameter

None

Required preconditions

None

Called functions

None

MRCC_CKTIM

Meaning

MRCC_HCLK_Div1

TIM clock = HCLK

MRCC_HCLK_Div2

TIM clock = HCLK/2

MRCC_HCLK_Div4

TIM clock = HCLK/4

MRCC_HCLK_Div8

TIM clock = HCLK/8

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