所需E币: 3
时间: 2019-12-25 09:50
大小: 28.5KB
PIC模拟异步串行通讯UART用TMR0实现定时查询。任何带中断的PIC上都可以实现。可用此法扩展多个串口。;|--------------------------------------------------------------|;| Implement duplex USART base on normal I/O pin |;| Using TIMER0 interrupt for bit timing |;| Tested on PIC16F83 running at 4MHz |;| Written by Paul Zhang, Microchip Tech Inc |;| 6 Aug, 2000 |;| All rights reserved |;|--------------------------------------------------------------| errorlevel -302 ;no bank warning errorlevel -301 ;no default file warning list p=16F83 ;define processor #include ; __CONFIG _CP_OFF & _WDT_OFF & _PWRTE_ON & _XT_OSC……