UM0097 datasheet(21/229 Pages) STMICROELECTRONICS

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UM0097

Peripheral firmware overview

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PCU_MVRStatus

Example:

This example illustrates how to check the main voltage regulator status:

{

...

PCU_VR_Status MainVR_Status;

MainVR_Status = PCU_MVRStatus ();

...

}

PCU_FlagStatus

Example:

This example illustrates how to check the PCU flag status.

{

FlagStatus WREN_Status;

FlagStatus VROK_Status;

/* WREN_Status holds the WEN flag status */

WREN_Status = PCU_FlagStatus (PCU_WREN);

Function Name

PCU_MVRStatus

Function Prototype

PCU_VR_Status PCU_MVRStatus (void);

Behavior Description

This routine checks and returns the main voltage regulator stability

status.

Input Parameter

None

Output Parameter

None

Return Value

The stability status of the Main Voltage Regulator. Refer to Voltage

regulator status on page 19 for more details on the allowed values of

this parameter.

Required preconditions

None

Called Functions

None

Function Name

PCU_FlagStatus

Function Prototype

FlagStatus PCU_FlagStatus (PCU_Flags Xflag);

Behavior Description

This routine is used to check the status of the specified PCU flag.

Input Parameter

Xflag: specifies the PCU flag. Refer to PCU flags on page 20 for more

details on the allowed values of this parameter.

Output Parameter

None

Return Value

The specified flag status:

– SET: The PCU flag is set.

– RESET: The PCU flag is reset.

Required preconditions

None

Called Functions

None

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