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##

# 2.106.4 SDMMCx_BlockSizeSet Function

## C

    /* x = SDMMC instance number */

    void SDMMCx_BlockSizeSet ( uint16_t blockSize )

## Summary

Sets the size of the one data block of transfer.

## Description

Sets the size of the one data block of transfer.

## Precondition

SDMMCx_Initialize() must have been called first for the associated instance.

## Parameters

Param | Description
--- | ---
blockSize | Size of one block of transfer

## Returns

None.

## Example

    SDMMC1_BlockSizeSet(512);

## Remarks

None.