Ｃ８０５１Ｆ０４０的ＵＡＲＴ０调试程序，ＵＡＲＴ０模式１主机程序，ＴＸ０线为Ｐ０.０，ＲＸ０线为Ｐ０.１，ＴＸ０采用Ｔ２为波特率产生源，ＲＸ０采用Ｔ１为波特率产生源-C8051F040 UART0 debugging procedures, a model UART0 mainframe procedures, TX0 lines of P0.0 and P0.1 RX0 lines, T2 TX0 used for baud rate generator, RX0 using T1 for b