1.将P1.0～P1.3接开关，将P1.4～P1.7接发光二极管。依据P1.0～P1.3开关状态控制P1.4~P1.7发光二极管点亮。 2.将P1.0～P1.7...

我同事做的一个CS5522的51单片机的驱动,用的是89S52,开发环境是KEIL C-my colleagues do a CS5522 51 MCU-driven, with the 89S52. Development environment is KEIL C

通过8255查询键值，显示不同的数字。k1显示1，K2显示2，K1和K2显示3,如此类推。最多能显示7。-8,255 inquiries through the keys, show different figures. K1 shows a, K2 showed 2, K1 and K2 showed three, and so forth. The most that can be shown 7.

1602LCD滚动显示程序 很详细的资料，适合初学者-1602LCD rolling display program is very detailed information, suitable for beginners

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

实现了有凌阳的外部中断进行技数，同时有2赫兹的内部定时器，以实现对外部频率的采集 -Sunplus has achieved the technology to a number of external interrupt, while Hertz has 2 internal timer in order to realize the acquisition of external frequency

遥控器测试程序按任意键试验版数码管指示灯闪烁。任意遥控器均可！-Remote control test procedure by pressing any key test version of digital tube indicator light flashes. Arbitrary remote control can be!

有急于51单片机IIC的操作讲解，和at24c02的一些基本资料，和IIC读写基本操作！-51 Single-chip IIC eager to have the operation on, and AT24C02 some basic information, and IIC to read and write basic operation!

斜度测试程序 * 程序对应的硬件设置为：利而达MSP430-Test44x实验板，斜度计使用的 * 是ADXL202E，数字y连接TA1/P1.2,数据x连接P1.0/TA0,P4.6对应斜度计电源 * 每个方向的斜度显示时都占用三个字符， * 斜度范围为0~90,高于90的，斜度为(180－斜度）-Gradient procedures for the corresponding test procedures* for the hardware set up: Lee MSP430-Test44x of the board, of the use of gradient is the* ADXL202E, the number of y connecting TA1/P1.2, data x connect P1.0/TA0, P4. gradient of 6 corresponds to the power* of the gradient in each direction are occupied by shows that the three characters,* angle range of 0 ~ 90, more than 90, and slope for the (180- angle)

51单片机+rtl8019的tcp/ip协议栈,仿真环境proteus.-51 microcontroller rtl8019 the tcp/ip protocol stack, simulation environment proteus.

CC430 系列单片机各部分资源的 DEMO 源程序，对于初使用该 IC 的同仁很有用的。-CC430 Series MCU resources in various parts of DEMO source code for the early use of the IC colleagues very useful.