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AT89C2051与上位机RS232通讯接口子程序,实现单片机与上位机的通讯-AT89C2051 and PC RS232 communication interface subprogram, the realization of SCM and PC communication

利用单片机实现简单音乐发生器，可以尝试实践一下，比较简单-MCU use simple music generator, may try to practice that is relatively simple

一些常见的单片机实例，并提供程序源程序，供初学者下载学习。-Some common examples of single-chip, and provide procedures for source code download for beginners to learn.

msp430单片机的一些 资料 自己收集的一些有需要的请下载-MSP430 MCU own some of the information collected by those who need it download

使用的同步串行三线SPI 接口，可以方便的连接采用SPI 通信协议的外围或另一片AVR 单片机，实现在 短距离内的高速同步通信。ATmega128 的SPI 采用硬件方式实现面向字节的全双工3 线同步通信，支持主 机、从机和2 种不同极性的SPI 时序，通信速率有7 种选择，主机方式的最高速率为1/2 系统时钟，从机方式 最高速率为1/4 系统时钟。-Use three-wire SPI synchronous serial interface, can be used to facilitate the connection of the external SPI communication protocol or another chip AVR microcontroller, realize in the short distance high-speed synchronous communication. ATmega128

STM32串口操作源代码 STM32串口操作源代码 STM32串口操作源代码-STM32 serial operation serial port operation STM32 source code source code source code STM32 serial operation

自己移植的NXP ARM IAP程序，其部分基本函数源于周立功程序，本人加了详细的注释与移植说明，还有更改编译器环境与启动代码部分说明，按照说明初次使用者便可一试成功-their transplant NXP ARM IAP procedures, and some of its basic functions from Zhou, who procedures, I added a detailed note Notes and transplantation, there are changes in the environment and compiler bootcode explains, follow the instructions to the initial users will be a test success

单片机最小系统，两位LED数码管由串口输出接两个164驱动，Lout,Rout为左右声道输出，SET， ALT0， ALT1为三个按键，也可自己在开始的I/O定义改成你想用的I/O口；12M晶振若用89C51则只可装下约14首歌曲，用89C52则可装下近40曲-smallest SCM system, two LED digital serial output from the pipe then two 164-driven, Lout, Rout for about channel output, SET, ALT0, ALT1 to three keys, but also his own in the beginning I/O definition you want to change the I/O port; If using crystal 12M 89C51 can carry only about 14 songs, can be loaded with 89C52 Near 40

自编的C51串口通讯程序，在AT89C51上测试运行OK，用22.1M晶振最高可跑115KBPS-directed the C51 serial communications procedures, the AT89C51 OK on the test run, with a maximum 22.1M crystal run 115KBPS

在MSP430单片机上用C操作MMC和SD卡的电路和参考代码。含PDF文档。-MSP430 single chip microcomputer used in the C operator MMC and SD cards circuit and reference code. Containing PDF documents.