iic总线的参考程序.80c52+24c02

一个完整的ASM程序，用于通过SPI口采集7022电能量，2404储存，双计度器显示，485通讯，掉电保护功能。此程序配合硬件已是一成熟产品

使用51单片机制作的电子密码锁，用at2404存储密码信息，（内有仿真电路，可直接进行仿真）-Use the electronics combination lock that 51 single slice mechanisms make, use at 2404 saving password informations, (inside have already imitated true electric circuit, can be directly carry on imitate

C8051F120 读写E2PROM 2404-C8051F120 read and write E2PROM 2404

电子表的实现，包括2404存储、DS1302获取时间，并且利用按键调整。里面包括keil编程源码，Protues7.8仿真电路-Electronic watch to achieve, including the 2404 storage, DS1302 acquisition time, and use buttons to adjust. Which includes keil programming source, Protues7.8 circuit simulation