IBD: ATmega2560 with pin Ports in context of Arduino Mega2560R3

This SysML diagram is far larger than usually recommended.

The Internal Block Diagram (IBD) shows the «chip» mcu:ATmega2560 with all «pin» Ports in the context of the Arduino Mega2560R3 board.

The chip is actually a square with 4 x 25 = 100 pins, the Port layout in the diagram does not reflect the geometry.

Click on the image to view it full size

Later diagrams in this trail will show connections to specific pins according to function groups.

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