实现简单的串口传输工作! 有数据检验,汇编程序!

8051 Serial I/O Routines Ring buffered, interrupt-driven UART driver, written in Keil C .

显示驱动芯片HT1621的C51底层程序-display driver chip HT1621 the bottom procedures C51

51io模拟串口程序-51io simulation procedures

控制LED灯的亮灭 控制LED灯的定时亮灭，单片机定时器的使用。-control of the LED light-controlled LEDs eliminate the regular-collapse of the use of SCM timer.

用keil c51写得温度传感器程序，可以显示小数点后一位，lcm1602显示-Keil c51 with temperature sensors written procedures, one can show after the decimal point, lcm1602 show

1―wire总线的详细介绍，对有设计硬件电路的同志有帮助-1-wire bus detailed description of the hardware design of a circuit to help comrades

采用AT89C51单片机进行编写，步进电机端口:P1.0,P1.1,P1.2,P1.3,遥控器接口p3.2喇叭p3.7-AT89C51 single-chip microcomputer used for the preparation, stepping motor port: P1.0, P1.1, P1.2, P1.3, remote control interface P3.2 Speaker p3.7

这是用单片机实现的多功能数字钟,通过8255扩展端口,AD0809将模拟信号转换成数字信号进行处理,可以比较精确的测出电压值.-This is the MCU multifunction digital clock, through the 8255 expansion port, AD0809 a conversion of analog signals into digital signal processing, more precise measuring the voltage values.

使用LED显示接收到的数据，使用LCD显示发送的字符 * 程序使用波特率为9600，程序运行时需要在pc机上使用一个串口 * 接收发送程序，发送字符应为asc码，接收的字符为十六进制-The use of LED display received data sent using the LCD display uses characters* for 9600 baud rate, the program needs to run-time machine pc using a serial port* send procedure to receive, send characters should asc yards receiving for the characters Hexadecimal

绝对好用的I2C读写程序-absolute and easy to read and write procedures I2C