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Topic: Schematics and board for Mega 2560 R3 (Read 993 times) previous topic - next topic



  Would someone be kind enough to point me to the schematics and any documentation of things like what the four pads near the USB socket are for?  I have just bought an R3 and find that the obvious schematics on the website do not match the hardware that I have.

  Thanks in advance, Brian.


They seem to connect to the 16U2 pins 18, 19, 20, 21, for who knows what.
Maybe general purpose I/O for future expansion.
Designing & building electrical circuits for over 25 years.  Screw Shield for Mega/Due/Uno,  Bobuino with ATMega1284P, & other '328P & '1284P creations & offerings at  my website.

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