|
На Атмеле лежат appnotes с исходниками на асме:
AVR304: Half Duplex Interrupt Driven Software UART (11 pages, updated 8/97)
This Application Note describes how to make a half duplex UART on any AVR device using the 8-bit Timer/Counter0 and an external interrupt.
AVR305: Half Duplex Compact Software UART (8 pages, updated 5/02)
This Application Note describes how to implement a polled software UART capable of handling speeds up to 614,400 bps on an AT90S1200.
E-mail: info@telesys.ru