Hi all. I've done a few projects using the PIC18f4550 to make USB HID
devices. I based a lot of my code on the work Brad Minch has made
available over at
http://pe.ece.olin.edu/ece/projects.html

I'm looking at an idea that would require more pins. I could add some
I/O expansion and stick with the same chip, but I'm considering moving
up to a 64 pin PIC such as the 18f65J50. It's a newer part, and since
one of the other bits in my unit are 3.3V only, I thought, why not go
3.3V all the way?

So...has anyone come across any tricky bits when moving from the
18f4550 to the 18f65J50 in regards to the USB module? I must admit
that I'm not an expert in all of the USB code so any tips as to areas
I need to look at would be great.

Thanks!

Josh
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