Sure it exist or at least it could be done... as long as you're aware and you agree that the bootloader firmware will be way bigger and you're not code limited...
But... why you don't want to use the hw USART?
I saw once a 1 pin bootloader, and didn't used the HW USART, Wloader if my memory serves me well.
There's also that one using MCLR pin... omg, what was it's name... ZPBL or ZPL.
what i suggest is to look at TinyBootloader page, there's few suggestions over there.
Last edited by mister_e; - 2nd January 2008 at 09:24.
Steve
It's not a bug, it's a random feature.
There's no problem, only learning opportunities.
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