Sunday, 8 June 2014

memory - How does an SD card communicate with a computer?



Could someone please give me a concise explanation to how an SD card sends and receives data from a computer. Does it do this one bit at a time? How does the computer/SD card combine these individual bits into useful bytes? I can see all the pins and what they do but could someone explain how it all comes together to create the read-write functions were all use to? The labeled pins of an SD card and Micro SD card




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arduino - Can I use TI's cc2541 BLE as micro controller to perform operations/ processing instead of ATmega328P AU to save cost?

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