该程序为51单片机做的频率计,可计频率可达999 HZ.

飞思卡尔单片机例程――简单IO口及程序框架，包含纯C和C与汇编混编两个版本-Freescale" s Microcontroller routines- Simple IO mouth and procedural framework, including pure C and C mixed with the compilation of two versions of

针对avr单片机编的精确延时程序，可达1微妙-against avr microcontroller series of the precision delay procedures, up to a delicate

AT89C51与ISD4004的接口及录音放音程序设计，控制4004-AT89C51 ISD4004 interface with recording and playback process design, control 4004

单片机实用源程序，如上下位机通讯，时钟等-Practical single-chip source, such as upper and lower communication, clock, etc.

这是一个在proteus下仿真成功的闪烁灯的例子。对于初级学习proteus的人很有帮助-This is a simulation in proteus success under the lights flicker example. For the initial study and the people very helpful proteus

c51的一个字节颠倒程序-byte of a reversal procedure

bios for s3C44B0 ，ads-bios for s3C44B0, ads

LCD液晶驱动程序代码，AT89C51单片机使用 供大家参考学习-LCD driver code, AT89C51 use for reference learning

基于80C51单片机源码公开的操作系统1.20.2 版RTOSsmall_rtos1.20.2-80C51 microcontroller based on the open-source operating system version 1.20.2 RTOSsmall_rtos1.20.2

定时器的操作通过定时器的操作完成系统的精确定时，-The operation of timer operation is completed through the timer system precision timing,