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##

# 2.73.33 NVMCTRL_DataScrambleKeySet Function

## C

    void NVMCTRL_DataScrambleKeySet ( uint32_t dsckey )

## Summary

Sets the key for data scrambling of the Secure Data Flash

## Description

This function is used to set the key for data scrambling of the Secure Data Flash.

## Precondition

Data scrambling has to be disabled using NVMCTRL_DataScrambleEnable() function before calling this function to set the key.

## Parameters

Param | Description
--- | ---
dsckey | Data Scramble Key.

## Returns

None.

## Example

    // Disable Data Scrambling
    NVMCTRL_DataScrambleEnable(false);

    NVMCTRL_DataScrambleKeySet(0x123456);

## Remarks

This NVMCTRL_DataScrambleKeySet() function is only available in trustZone supported devices.