keil and Proteus FBI needed a file, see a lot of users are looking for, so Chuan

keil MDK开发环境，实现STM32的USB驱动程序,实现USB端的DEVICE功能，内附驱动源码，欢迎交流，-keil MDK development environment to achieve STM32" s USB driver, USB side to achieve DEVICE function, enclosed driver source code, welcome exchanges,

用C语言编程产生延迟语言.take一个变量，并在每次计时器溢出时递增，以获得所需的延迟时间。

国内还比较新的network processor的微代码开发，关于scratch ring的例子，用的uc语言，告诉你如何利用已有的宏和调用硬件资源。-domestic still relatively new network of micro-processor code development, on the scratch ring example, the uc language, tell you how to make use of the call-and hardware resources.

数码管及键盘管理--Manage digital tube and keyboard.

c51的原理图啊，PDF格式，块崩溃了 啊-C51 schematic diagram of the ah, PDF format, block the collapse of the ah

SPI Master Core Specification，This document provides specifications for the SPI (Serial Peripheral Interface) Master core-SPI Master Core Specification, This document provides specifications for the SPI (Serial Peripheral Interface) Master core

嵌入式开发程序设计-Embedded Development Program Design

GUI文件，供参考~不需要我们就不会下载了，它

以STC89C52单片机为控制芯片，产生超声波信号，并进行接收返回信号，完成距离检测并通过1602显示距离，使用语音模块播报距离。

TQ2440 开发板 裸跑程序测试源码， 包含ov9650 ，iic，adc， gpio ，lcd 等等程序，十分有用-TQ2440 development board for running naked program testing source code, including ov9650, iic, adc, gpio, lcd, and so procedure is very useful for