I just bought a Due board and am really impressed. I'm very new to electronics and I'm still trying to understand all of the 3.3V and 5V differences and ramifications.
// Pinout diagramhttp://arduino.cc/forum/index.php?topic=132130.0
I'm a little confused about the SPI header. If the MOSI, MISO, and SCK pins can only handle 3.3V why does the SPI supply 5V?