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Author Topic: Uart port in SPI mode on Arduino Mega 1280  (Read 401 times)
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I was able to operate the Uart port in SPI mode on the Arduino 328. However, when I try to run on the Arduino Mega 1280, I am unable to get it working. I believe the issue is because xck0 line is not routed to pin 4(or any pin for that matter). In fact, none of the xck# lines are routed to pins. It seems odd that none are routed to pins. Is there a way to access the functionality of these pins from another accessible pin? Could an interrupt be used?



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