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##

# 2.110.33 SERCOMx_ISO7816_Cold_Reset

## C

    /* x = SERCOM instance number */

    void SERCOMx_ISO7816_Cold_Reset( void )

## Summary

This API provides the cold reset functions to card.

## Description

This API allows the application to cold reset the device. RST in low state, VCC powered, I/O in reception mode in the interface device, CLK provided with a suitable and stable clock signal, the card is ready for a cold reset. The cold reset results from maintaining RST at state low for at least 400 clock cycles after the clock signal is applied to CLK. The answer on I/O shall begin between 400 and 40 000 clock cycles after the RST signal is high.

## Precondition

SERCOMx_ISO7816_Card_Detect function must be called.

## Parameters

None

## Returns

None

## Example

     /* Enable cold Reset */

     SERCOM3_ISO7816_Cold_Reset();

## Remarks

None