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Topic: MMC Connection Problems (Read 919 times) previous topic - next topic

markuman

I'll try to connect an MMC Card.
To connect, i orientated on this post: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1206874649
i've chosen the same resistors.
Now i take a look at the MMC PinOut Map  http://www.arduino.cc/playground/Learning/SDMMC
And try to run the files example http://arduino.cc/en/Tutorial/Files

Connecting CS and CLK i got - same name in the example code and in the PinOut Map.
But now i have to find DataIn (MMC Pin 2) and DataOut (MMC Pin 7). The example Code says something like MISO to Arduino Pin 12 and MOSI to Arduino Pin 11. So, ...goes Pin 12 from Arduino to Pin 2 MMC or to MMC 7? (I've tried both, but SerialMonitor said everytime initialize SD Card Filed)
Furthermore, the example Code said, that Pin 10 should be left as an output..!?
It's a bit confusing how to connect the MMC Card...
Or are the SD examples not useable for MMC?

fat16lib

the SD.h and SdFat libraries do not support MMC cards.

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