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Need help for 89s8252 interfacing with mmc

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mutlu_sgul

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spi 89s8252

Does any one knows how to interface mmc or sd card with at89s8252 microcontroller?
 

spi protocol for 89s8252

mutlu_sgul said:
Does any one knows how to interface mmc or sd card with at89s8252 microcontroller?
Click to expand...

I have this for the Pic18f4550, I think the desing is similar for the mc51.

2gt13di.jpg


2vumt4x.jpg
 
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    ramina

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mutlu_sgul said:
Does any one knows how to interface mmc or sd card with at89s8252 microcontroller?
Click to expand...
hi i hope it can be you sample
 

thank you so much for the schemes. But I need help about programming 89s8252 in order to interface with mmc or sd platform. I am using spi protocol to communicate with mmc card. Also I have used sofware spi communication called bit bang or something like this. I have send to the mmc CM0 command but I never get anything from the mmc. If there is someone know how to communicate 89s8252 or any 8051 family microcontroller with mmc please helps me.
Thanks....
 

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