我老师为上课开发的单片机测试源程序，怎么可能“文件已存在”？...

bd3201-14A（DRE）提供的高性能数字音频信号处理能力，可实现紧凑的，易用 的，高质量的混响效果解决方案-bd3201-14A (DRE) provides high-performance digital audio signal processing capabilities, enabling compact, easy to use, high-quality reverb solution

凌阳的LCD演示原码,里面还有LCD的使用说明.

crc计算方法之一，适合于有较大ROM或外部存储器的单片机-unicef.org calculation method, one more suitable for external memory or ROM Microcontroller

这是一个基于st7920芯片的字库液晶的程序，包含字库编码，比较快的输入所需的字或字符-This is a font based on the chip LCD st7920 procedures, including character encoding, relatively fast input required word or character

一份非常完整的51单片机与P/S2键盘的通信程序，含有大量注释，不错的。-A very complete 51 SCM and P/S2 keyboard communication program, containing a large number of comments, good.

这是用PIC单片机做的DTMF信号解码，用的是汇编语言。已经通过实验了。有兴趣的人可以看一下。-This is a single-chip microcomputer PIC to do with the DTMF signal decoding, using assembly language. Has passed the test. Those who are interested can look at.

详细介绍了pic单片机开发软件mplab6的使用方法，很难得-detail the pic microcontroller development software mplab6 way to use rare

c8051f021单片机资料-c8051f021

汽车侧滑台检测仪表．用的单片机是PIC16F877A. 产品经过市场检验-Automotive instrumentation Sideslip Taiwan. Single-chip microcomputer is used PIC16F877A. Products have been market tested

WAVE6000，南京伟福的最新单片机开发环境-WAVE6000, Nanjing Wei Fu of the latest microcontroller development environment