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HELP PLEASE: AdaFruit Micro SD card
Moderators: adafruit_support_bill, adafruit

HELP PLEASE: AdaFruit Micro SD card

by samacumen on Wed Feb 06, 2013 2:30 pm


I am trying to interface AdaFruits Micro SD shield with the Arduino, it works with the pins 10, 11, 12, 13 on the main Arduino UNO board.

However, in my project I have to interface it with the ICSP header pins for Atmega328 (that also supports SPI connection). How can I do this? I thought this should be possible.

I followed the tutorial, but there is no mention of how to do it using ICSP pins.

Please looking forward for your help!!!
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Joined: Wed Feb 06, 2013 2:26 pm

Re: HELP PLEASE: AdaFruit Micro SD card

by adafruit_support_rick on Tue Feb 12, 2013 1:45 pm

On the arduino, the ICSP pins are already wired directly to digital 13(SCK), 12 (MISO), and 11 (MOSI) as follows:

ICSP Pin Signal
2 +5V

Digital 10 (CS) is not available on the ICSP header. You can wire directly from Digital 10 (or any other available pin) for this signal.

Note that attaching the MicroSD card to the ICSP header DOES NOT free up Digital 13, 12, 11 for other purposes.

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