单片机应用系统设计实例与分析

avr rtos AVR单片机上的实时操作系统-avr Byelorussian AVR on the real-time operating system

用普单片机实现低成本高精度A_D与D_A转换关键词 单片机 　A/D转换 　D/A转换 　PWM(脉冲宽度调制)比较器-Pu realize low-cost single-chip microcomputer with high-precision conversion A_D with D_A Key words Single-chip A/D converter D/A converter PWM (pulse width modulation) comparator

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

单片机在应用编程实例-SCM in application programming examples

单片机键盘描扫程序. 一直在用的程序.-SCM keyboard depiction sweep procedures. Have been used in the procedure.

可以实现在PC与CAN总线的连接。采用的89C51和SJA1000芯片的接法。里面包括原程序的电路斩-Can be achieved in the PC and CAN bus connection. Used 89C51 and SJA1000 chip connection. Procedures which include the original circuit Tsam

keil c51下基于软件模拟I2C总线的Dll动态连接库。下载后将其烤到keilC51in下即可。-keil c51 simulates I2C based on software the main line the Dll dynamic connection storehouse. After downloading roasts it to keilC51in under then.

Avr_atmel_小型OS，编译通过。-Avr_atmel_ small OS, compiler through.

提出了一个由AT89C52单片机控制步进电机的实例。可以通过键盘输入相关数据, 并 根据需要, 实时对步进电机工作方式进行设置, 具有实时性和交互性的特点。该系统可应用于 步进电机控制的大多数场合。实践表明, 系统性能优于传统的步进电机控制器。-Put forward a AT89C52 single-chip stepper motor control example. Through the keyboard input data, and in accordance with the needs of real-time work on the stepper motor set up, with real-time and interactive features. The system can be applied to stepper motor control of the majority of occasions. Practice shows that system performance is superior to traditional stepper motor controller.

本代码基于凌阳SPCE061A芯片，实现单段录音功能，并可重复播放所录语音。-Based on this code SPCE061A Sunplus chip, to achieve single-stage sound recording function, and repeat playback recorded voice.