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LPC1788 SDIO driver emmc 4bit mode

Question asked by chao li on Jul 19, 2017
Latest reply on Jul 27, 2017 by chao li

I use LPC1788 SDIO connected emmc?

 

 emmc use 4bit mode

 

use drive:

* $Id$ lpc177x_8x_mci.c 2011-06-02
*//**
* @file lpc177x_8x_mci.c
* @brief Contains all functions support for MCI firmware library
* on LPC177x_8x

 

 

but  In initialization  send CMD1 return value err.

 

if (MCI_Cmd_SendOpCond() == MCI_FUNC_OK)  

in this function return value err,

 

Who can help me ?????

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