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Recent content by cardengwu

  1. C

    the difference of sd card and sdio card

    sd sdio cards HI: I am so sorry,I mean that why GPS need SDIO card,but not SD card for example ?
  2. C

    difference between AT89c52 and AT89s52 microcontrollers

    difference between at89c52 and at89s52 HI: The 8051 structure of AT89c52 and AT89s52 are the same,but the type of flash is different,for AT89c52: VPP = 12V VPP = 5V Top-side Mark AT89C52 AT89C52 xxxx xxxx - 5...
  3. C

    Interfacing 8051 with a SD card

    HI: The 8051 should access to sd card through sd host controller,because 8051 can not handle sd protocol,fifo size of sd host controller need to evaluate for the performance!
  4. C

    the difference of sd card and sdio card

    sdio sd card HI: Sorry, I still don't know the real difference between sd and sdio!
  5. C

    the difference of sd card and sdio card

    sdio card specification Did any one know the difference of sd card and sdio card ?

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