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Altera_Forum's avatar
Altera_Forum
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15 years ago

SD-CARD reads first few files correctly, then the remaining wrong!

Hi, I have used the SD-CARD music player example from the DE2-70 CD to read files from the SD-card, it reads the first few files correctly, when I attempt to read the 4th or 5th files the data ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Really sorry for late reply, got busy with another design .. :(

1. Yes, the data is read correctly using my laptop built in card reader!

2. Yes, I have used a different card .. works the same as the other ones

3. It is running at the default of 50 MHz same as my other system components, and same as all the projects which used the same driver as I.

4. It did behave correctly in different readers

5. All checked ..

I wonder if it is related to the maximum capacity that the DE2-70 reader can handle ?? I am using 512MB and 1GB cards ..