Hello I'm working on a board for a Mega644 in TQFP format. I was wondering if I need to connect all of the Vcc pins together? Are they tied together internally in the chip? The same question applies to the Gnd pins as well. I looked in the Datasheet, using the search term "VCC" and found nothing to help me there... By the way, I am aware of the AVCC and AGND issues/considerations - I just haven't worked with the TQFP package before, and need to know if all of the Vcc pins are connected internally. I could measure it with a meter, but I'd be afraid of possibly blowing the chip. Randy
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Mega644 TQFP Package Pinout - Vcc/Gnd Question
2006-05-13 by Randy Ledyard