SD卡的简单介绍，包括SD卡的分类，协议，脚位定义等。

请将下载的2个插件内容拷贝到uVision 的安装目录下的 KeilC51BIN 中 2. 修改 Tool.ini, 此文件位于 uVision 的安装目录 keil 下. 请将下面的内容 添加到 [C51] 部分的后面. AGSI1=ledkey.dll ("ledkey") AGSI2=simboard.dll ("simboard") 3. 重启uVsion. 进入Debug 模式, 打开菜单Peripheral, 发现增加了2项 分别是键盘LED仿真板，51实验仿真板。-Please download the contents of two plug-ins are copied to the installation directory uVision under KeilC51BIN 2. Modify Tool.ini, this file is located in the installation directory uVision under keil. Please Add the following line to [C51] part of the back. AGSI1 = ledkey.dll (ledkey) AGSI2 = simboard.dll (simboard) 3. Reset uVsion. entered the Debug mode, open the menu Peripheral, found an increase of 2 are keyboard LED emulation board, emulation board 51 experiments.

C52单片机控制1602液晶显示程序，可在第一行显示字符"TX-1B MCU"，在第二行显示字符"WWW.TXMCU.COM"。-C52 single-chip liquid crystal display control program 1602 may show the characters in the first row

80C51单片机中字符型液晶1602显示实验的源程序，里面包含了1602的datasheet。-80C51 MCU 1602 character LCD display source experiments, which contains the 1602

停车场显示是日常生活中使用很平常的系统，停车场显示系统的核心是LED显示。本次设计使用KH-310实验箱，使用点阵模块和数码管模块，根据显示的扫描原理，利用8X8点阵模拟实际停车位并由数码管显示车位信息。- Parking is a show system that everyday life is usual to use the information.parking display system is the core of the LED display. The design of the experimental use of KH-310 boxes, the use of dot-matrix modules and digital control module, according to the scan shows that the principle of the use of dot-matrix 8X8 analog actual parking spaces by the digital display of information.

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x5045,在P89V51RD2中用的，有EEROM，还有看门狗功能等！如果要详细的可以联系我，550291932-x5045, in P89V51RD2 used, and has EEROM, there are watchdog function! If you want details you can contact me 550291932

i2c通讯控制程序,很快的实现对24c02的通讯功能-i2c communication control procedures, quickly realizing the communication function 24C02

DS18B20测量温度 1602做为液晶显示温度 c语言编写 有注释-DS18B20 measuring temperature as a liquid crystal display 1602 temperature c languages have Notes

A/转换程序，用在8051或8031，此外还有两个小的显示的程序-A/switching procedures used in 8051 or 8031, in addition to two small display procedures