Keil C51 89c52单片机挂接ds1302时钟芯片的驱动程序

基于8051F020,目的：用PCF8574器件实现并口输入，输出操作-Based on 8051F020, Objective: To realize parallel PCF8574 device input and output operation

自制小时钟 可以遥控调节时间，采用315M 2262 ，2272 收发模块 发来给新手看看 -Self-made small-time clock can be adjusted remotely, using 315M 2262, 2272, sent to the transceiver module to see if novice

使用ADC模块的通道0、1进行电压的测量，然后将转换结果从串口输出。-0,1-channel ADC module used for voltage measurement, and then convert the results from the serial port

在WinAVR下的ST7565点阵图形驱动程序，可以显示5*7

MSP430 模拟量采集实现程序，带外部的多路选择开关控制-MSP430 analog acquisition to achieve program, with an external multiplexer switch control

不开销缓存RAM的430Flash读写程序-Do not spend the 430Flash cache RAM read and write procedures

这是我自已写的HD44780 LCD1602液晶屏的程序，是基于AVR单片机上实现的。 /************************************************************************************************** * 简介 * * 本模块仅使用于字符显示液晶模块 * * 当前版本的驱动仅支持以下类型LCD模块驱动: * Hitachi HD44780 或与之兼容的芯片. * * LCD显示函数支持以下格式: * 1 line x 16 characters 2 lines x 16 characters 4 lines x 16 characters * 1 line x 20 characters 2 lines x 20 characters 4 lines x 20 characters * 1 line x 24 characters 2 lines x 24 characters * 1 line x 40 characters 2 lines x 40 characters *说明： * 1 line x 16 characters 需要定义为2*8的液晶模块 * * 不支持外部内存模式 **************************************************************************************************/ -This is my own written HD44780 LCD1602 LCD procedure is based on the AVR Single Chip achievable. /*************************************************************************************************** Introduction** This module uses only the characters displayed in the LCD module** the current version of the driver

51单片机学习原代码经验丰富工程师编写实际运行通过-51 Single-chip learning the original source of experienced engineers to run through the preparation of the actual

定时计数器的c语言编程，这是在单片机编程不可缺少中央部分。-Timer counter c language programming, which is indispensable in the central part of microcontroller programming.

I2C通信的程序，用VHDL写的，可用于FPGA和单片机的通讯。-I2C communication procedures, written with VHDL, FPGA and MCU can be used for communications.