电路板布线设计，快速优化，通道布线算法

Verilog实现的DDS正弦信号发生器和测频测相模块，DDS模块可产生两路频率和相位差均可预置调整的值正弦波，频率范围为20Hz-5MHz，相位范围为0°-359°，测量的数据通过引脚传输给单片机，单片机进行计算和显示。-Verilog realize the DDS sine wave signal generator and frequency measurement module test phase, DDS module can generate both frequency and phase difference can be preset to adjust the value of sine wave, frequency range of 20Hz-5MHz, phase range of 0 °-359 ° , measurement data and transmit them to the single-chip pin, single-chip microcomputer to calculate and display.

详细介绍了MC-51单片机的硬件结构、指令系统、各种硬件接口设计、各种常用的数据运算和处理程序-Details of MC-51 single-chip hardware structures, command systems, a variety of hardware interface design, a variety of commonly used data computing and processing

AT89S51用于电能表的测量应用例子 供大家参考。-AT89S51 measurement for energy meter applications examples for your reference.

该程序为51单片机做的频率计,可计频率可达999 HZ.-The program for 51 single-chip to do the frequency meter may include frequency up to 999 HZ.

该程序为USB HUB程序，其作为开发USB HUB类型的产品很有帮助。-procedures for the USB hub procedures, as the development of types of USB hub products helpful.

本文件是一个E2PROM的应用程序, 大家可以根据自己的需要进行更改, 以满足不同的需要.-This document is an E2PROM applications, we can according to their need for changes to meet different needs.

是一个关于C51和18B20的测温程序,大家可以参考一下.-Is a study on the C51 and the temperature 18B20 procedure, we can reference.

sst39sf040 serial flash 读写程序-sst39sf040 serial flash reading and writing procedures

C51单片机实现对PC鼠标的读取与显示具体细节请参考源程序将时钟线接入外部中断数据线接入普通I/O输入输出口-C51 MCU to read the PC mouse and display details please refer to the source clock line access external interrupt data lines access I/O input and output mouth

STM32 FSMC 驱动TFT LCD-STM32 FSMC drive TFT LCD