On Tue, Apr 21, 2020 at 7:01 PM Stephen Adolph <twospru...@gmail.com> wrote:
> > So the requirement for the BCR port receiver is to read and place the byte > into memory before the stop bit is completed. at 57600 baud that is about > 17 microseconds. Typical processor instruction time is between 1.2 and 1.6 > microseconds, so this is about 10-12 instructions max. > > Yep. When you're bitbanging serial I/O you're drinking from the firehose. That's what I meant by you either keep up or you don't... you can't just make up the difference a few bytes later. I sent you a special version of LaddieAlpha with a baud rate option for testing. -- John.
