Thread: SD card adapter
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Old 13 September 2014, 18:16   #44
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Join Date: Dec 2013
Location: Lake Havasu City, AZ
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In my case I don't have to do the switching of the DDR (data direction register) for every byte, just a couple of times per every block (512 bytes). I can move an entire block keeping the DDR set one direction. The ZIP drive interface (linked to earlier in this thread) is similar to what I am doing, but that has even more setup so I expect faster speeds than that. I expect around 100KB per second with a stock A500 and much faster on accelerated machines.
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