I downloaded AT89C51ED2 UART source code from ATMEL web. when I connected from PC COM1 to AT89C51ED2 and sended a byte data, it sended a wrong byte data back. Have some solutions about this @@?
here has some talk about this question. http://www.grote.net/bascom/frm22321.html but im not sure how to make it success in hyper terminal.