[avr-libc-dev] [task #5264] Add new devices: AT90USB646-647-1286-1287

[Anatoly Sokolov]

Follow-up Comment #2, task #5264 (project avr-libc):

I write the header files for AT90USB* devices. I needed to check up it. But
there are some questions:

1) The Register Summary table in the datasheet has some mistakes: registers
TIFR4, TIFR5, TIMSK4 and TIMSK5 are described, but devices have no timers
4/5; bit MUX5 in register ADCSRB are described, but ADC have only 8 input
channels.

2) Not absolutely clearly than devices AT90USB*6 from AT90USB*7 differ.
Whether will enough disable USB Host registers [0x9E..0xAF], [0xDD..0xDF] and
[0xF5..0xF9] in AT90USB*6 devices. Or is even more registers and bits which
should be disabled too?

3) Now names of interrupt vectors undertake from XML Partdescription files.
As the new version of AVRStudio has not left yet, official names of 'USB
General'[10] and 'USB Endpoint/Pipe'[11] interrupt vectors are not known.


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