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没有用锁存器来做的动态数码管显示。 用c语言写的89c51， 有proteus的仿真-Latches do not use dynamic digital tube display. Written by c language 89c51, there Proteus Simulation

嵌入式USB主机设计，对USB协议规范，MASS STORAGE 协议，有详细介绍。 -Embedded USB host design, on the USB protocol specification, MASS STORAGE agreement has a detailed introduction.

arm9 强大功能boot,对于arm9 的开发支持非常之好，调试，引导，擦写，上传，等很方便-arm9 power boot, for the development of arm9 very good support, debugging, and guide, write, upload, and very convenient

C8051F040 读FIFO数据并且通过串口发送至PC-C8051F040 read FIFO data sent through the serial port to PC

液晶GXM12232的间接访问源码。仅供参考。-LCD GXM12232 visit the indirect source. For reference purposes only.

下面是一个超声波测距的程序，硬件电路由于电脑格盘已丢失，下面的代码是从样机上复制的。 硬件电路包括液晶显示、超声波的发射、超声波的接受、滤波、单片机处理。 液晶显示采用LCD1602模块，下面的代码里有液晶的驱动，可以拷贝用于它处。 超声波发射电路包括压电换能器及其支持电路，发射约44KHz的超声波。 超声波的接收电路包含一块CD40106处理芯片。技术指标大约是测距范围在三米左右，测量精度约在厘米级别。大量用于倒车雷达的测距中。-The following is a range of ultrasound procedures, the hardware circuit as a result of the computer grid plate has been lost, the following code is copied from the prototype. Hardware circuit including liquid crystal display, ultrasonic transmitter, ultrasonic acceptance filtering, single-chip processing. LCD1602 LCD module used, the following code, there are LCD drivers, you can use it to copy. Firing circuit including the piezoelectric ultrasonic transducer and its support circuitry, fired about 44KHz ultrasound. Ultrasonic receiver circuit includes a processing chip CD40106. Technical indicators for a range of about 3 meters range around the measurement precision level of about cm. Reversing a large number for the location of the radar.

本文章是高质量C++C编程指南，让学习者更上一层楼-This article is a high-quality C++ C Programming Guide, so that a higher level learners

TW8832是继TW8816之后，TECHWELL 推出新的TFT驱动IC. 相比以前改进的地方： 1.去掉内置MCU，控制更简单，整个系统只要使用一个控制MCU就解决，这是专门针对车载行业的，用ARM可以将事情全部搞定。 2.输入格式：ITU656, VGA(RGB), YUV, S-VIDEO,CVBS. 3.OSD部分功能加强：S系列，包含外部SPI FLASH接口，可以制作256色的图片。 图片直接从8832输出，图像效果更佳细腻逼真，简直是惹人揍！ 4. -40- 80 度的工业级工作温度，当然，这是一向都是的了。 有更多 就不详细说了。 输出格式：   RGB4/6/8 bit. 分析：   OSD+FONT， 可以满足菜单中的所有显示需求了，而且效果极佳。

这段代码用嵌入式汇编写成,md5最为核心的部分用汇编写成,具有很高的运算速度,比C代码快将近两倍-embedded with the code compiled languages, md5 most part with the core compilation languages, have a very high computational speed, faster than the C code almost twice