当前时间送电脑同时显示,用RS232运用串口通信送数据给电脑，开中断计算时间，精确到秒。Keil C51开发环境，是一个整合很多技术的程序。 -current time to send the computer also showed that use RS232 serial data communications sent to the computer, open interrupted computing time, accurate to the second. Keil C51

U盘文件读写模块, 连接方式: 3线制串口+查询+事件中断通知-U disk document literacy module, Connectors : 3-wire serial inquiries termination notice

基于飞思卡尔MC9S12XS128单片机的超声波控制程序，包含中断，主函数，定义，串口-Microcontroller based on Freescale MC9S12XS128 ultrasonic control program, including interrupts, the main function, definition, serial

在DOS环境下，串口测试源码，采用中断方式，需要输入基地址和中断号-Serial test source, interrupt, you need to enter the base address and interrupt number in DOS.