IIC 单片机io口模拟程序字节

状态1：正常时，8个LED发光二极管（彩灯）循环点亮。 • 状态2：有报警时，蜂鸣器发出报警声（用P3.3接一个按键，模拟产生报警信号。当开关合上，发生报警；当开关断开，报警停止。用P3.7输出音频信号驱动扬声器，作为报警信号），同时8个LED发光二极管（彩灯）闪烁。 P3.2接一个按键，用于消除报警-Status 1: normal, eight LED light-emitting diodes (lantern) light cycle.

另外一个RC531非接触式读卡器的全部源代码，实现全部功能-another RC531 non-contact reader the full source code, to achieve full functionality

一个CPU卡读卡器源代码，接口全部由单片机IO模拟实现，成本极低-a CPU card reader source code, microcontroller interface all IO simulation, low cost

AT89S51资料，中文版的，很利于大家学习-AT89S51 information, the Chinese version, it is beneficial to them to learn from

AT45db021的模拟总线驱动程序。具有很详细的说明。绝对好用。-AT45db021 analog bus driver. Have a very detailed explanation. Absolute ease of use.

CF卡的技术规范。比较新的版本了。希望对有关的同志有所帮助。-CF card specifications. Relatively new version. Hope that the comrades of the help.

单片机与ISD4004芯片实现分段录用的功能-ISD4004 chip MCU and hiring sub-functions of

spiflash操作，在C8051f310下测试过-spiflash operation, under the tested in the C8051F310

用51单片机控制温湿传感器dht11的程序 汇编语言编写-With 51 single-chip microcomputer to control the process temperature and humidity sensors dht11 the preparation of assembly language

有单片机控制的12864图形显示程序，，有汉字和图形的程序-There are 12,864 single-chip graphic display control procedures, there are Chinese characters and graphics procedures