frequency measurement using SCM

蜂鸣器报警程序 功能：蜂鸣器模拟报警器发出报警声音 用C语言编写的-Buzzer alarm program features: analog alarm buzzer alarm sounds written with C language

dds控制字的详细描述，对新手入门有帮助。-dds a detailed description of control characters, beginners learn to be helpful.

LUMINARY ARM的PWM代码（带死区控制）-LUMINARY ARM code of PWM (with dead-zone control)

时钟芯片ds12c887线片驱动程序，可直接应用-Clock Chip ds12c887-ray driver, can be directly applied

Keil C51微处理器开发工具使用指南-Keil C51 microprocessor development tools Guide

请将下载的2个插件内容拷贝到uVision 的安装目录下的 KeilC51BIN 中 2. 修改 Tool.ini, 此文件位于 uVision 的安装目录 keil 下. 请将下面的内容 添加到 [C51] 部分的后面. AGSI1=ledkey.dll ("ledkey") AGSI2=simboard.dll ("simboard") 3. 重启uVsion. 进入Debug 模式, 打开菜单Peripheral, 发现增加了2项 分别是键盘LED仿真板，51实验仿真板。-Please download the contents of two plug-ins are copied to the installation directory uVision under KeilC51BIN 2. Modify Tool.ini, this file is located in the installation directory uVision under keil. Please Add the following line to [C51] part of the back. AGSI1 = ledkey.dll (ledkey) AGSI2 = simboard.dll (simboard) 3. Reset uVsion. entered the Debug mode, open the menu Peripheral, found an increase of 2 are keyboard LED emulation board, emulation board 51 experiments.

这是MC9S12DG128单片机SPI通讯模块开发实例,该实例包含SPI主从机的全部源代码,可实现双机通讯。-This is the MC9S12DG128 MCU SPI communication module development instance of SPI master and slave machines with all the source code, enabling two-machine communication.

用keil c编写12864LCD驱动程序,并用ISIS软件仿真实际效果-Keil c prepared with 12864LCD driver, and the actual results ISIS software simulation

max7219 led drive program 包括/功能函数定义和测试程序显示-max7219 led drive program includes/function definitions and test procedures show

51单片机资料及程序需者请下载好东西教材类-51 Single-chip data and procedures, please download good teaching category