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Altera_Forum
Honored Contributor I
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Sd card writing

Hi all, 

I am trying to write a single block on SDHC card, but it always write multiple blocks. 

I have set the correct values for single block writing i.e : data_sig <= x"FE"; instead of data_sig <= x"FC" and in send command I used command 24 

 

But it still writing continuously and I have to make the address counter in increasing manner to write the data ! 

 

Any notes about this ? Many thanks.
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