74LS164的芯片资料，很 详 细 的 介 绍

CPLD与51单片机总线接 -CPLD with 51 microcontroller bus access

仅供参考 仅供参考-only reference is for reference only reference is for reference only

use lpc2148 develop usb mem

I2C总线的一个实例,有原理图的设计,和程序的设计,可直接用在项目开发中,节约开发时间,提高效率.-An example of I2C bus, have the schematic design, and procedures for the design, can be directly used in the project development, saving development time and improve efficiency.

51单片机的高速串口驱动ucos ii的移植-51 Single-chip high-speed serial drive ucos ii transplant

一种基于新型时钟芯片的时钟设计方法.时间稳定准确.-a new clock on the clock chip design method. Time is stable and accurate.

公共汽车报站器,基于51-bus stop-based 51

本压缩文件主要介绍语音芯片ISD25120的使用方法，附有实用源代码，直接可以使用-This paper introduces the voice compression chip ISD25120 use with utility source code can be used directly

单片机与ALTEC温控仪的通讯，设置温度。-Single-chip temperature controller with ALTEC communication, set the temperature.

1602测试-1602 test