C51单片机控制系统代码升级程序通讯协议。

用AVR 音乐合成： 1.音乐数据存放于芯片的flash存贮器中2.PA口显示不同的音阶变化。 3.音乐数据的低四位选择音调频率，高四位*5后，为音调持续时间。-Using AVR Music Synthesis: 1. The music data stored in flash memory chips in the mouth 2.PA show different changes in scale. 3. The music data to choose the four tones of low frequency, high 4* 5, in order to tone duration.

24c16的C51源代码,在KEIL C51上已调试通过-24c16 source of C51, C51 has KEIL through debugging

max7219控制的源程序，经过测试，给需要者

MSP430单片机开发应用实例代码，适合任何型号-Development and application of single-chip MSP430 code examples for all models

MSP430有许多寄存器来设定程序的频率和周期，本文总结如定时器A,看门狗，模拟比较器等的代码，供大家参考学习.-MSP430 has a number of registers to set the procedures for the frequency and cycle, such as This paper summarizes the timer A, watchdog, analog comparator, such as the code for your learning.

Keil C51使用详解-Keil C51 uses the detailed solution

有详细的PIC单片机C程序，配有完整的注释说明，是学习PIC单片机不可多得的好资料！-PIC has detailed procedures for single-chip C with complete notes, is to learn PIC Singlechip rare good information!

LCD1602液晶显示器的驱动程序,是用AVR的M16L来驱动的.-LCD1602 LCD driver, is to use the AVR to drive the M16L.

一个320*240的液晶的C51驱动，程序不光可以用在51单片机上，还可以应用在其他单片机上，已成功移植到MSP430，移植时只需要重新改下引脚定义-A 320* 240 LCD drive the C51, the program not only can be used in single-chip microcomputer 51, but also can be applied to other single-chip, this has been successfully transplanted into MSP430, transplantation need to change only the definition of under-pin

此程序是用AVR单片机编写的驱动SD卡的源代码，希望大家能够喜欢！-this procedure is used to prepare the AVR SD card driver source code and I hope we can like!