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Max acheivable speeds?
Posted: Mon Mar 26, 2007 9:59 am
by eliscool
Hi, I know this driver is supposed to be able to receive 1.5mbit/s, but does this not use the full clock cycles of the AVR at 12mhz? there wont be any time left to process the data would there?
Posted: Mon Mar 26, 2007 10:16 pm
by christian
1.5 Mbit is the bit rate on the physical layer. The actual data rate is MUCH slower for low speed devices. The spec mentions something between 30 to 40 kBytes/s, as far as I remember.
For actual speeds achieved with AVR-USB, see the thread "How fast is Software-USB".