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##

# 3.12.19.13 SEFC_RegionUnlock Function

## C

    void SEFC_RegionUnlock(uint32_t address);

## Summary

Unlocks a Flash region.

## Description

This function take an address as a parameter and unlocks the region associated with it.

## Precondition

Validate if SEFCx controller is ready to accept new request by calling SEFC_IsBusy()

## Parameters

Param | Description
--- | ---
address | Address of the page to be unlocked

## Returns

None.

## Example

    SEFC_RegionUnlock(0x00500000);

    while(SEFC_IsBusy(0x00500000));