STM32 multiple SDIO card

Hi,

I'm trying to access to two SDIO card on the same bus with my STM32 but
only one at the time is answering.

I am doing the same things said on this thread without result:
http://www.youtube.com/watch?v=3p-XqvMOTYA

I am receiving a CMD_RSP_TIMEOUT the second time I send a ALL_SEND_CID
meaning that the first sd card is now in idle mode. 

Is there any register of the sdio port I should reconfigure?

Thank you.

	   
					
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