SPI总线的学习

单片机系统设计及工程应用-雷思孝 冯育长编著 本书系统介绍了51系列单片机的基本原理和应用，从应用系统设计的角度出发，较为全面地介绍了单片机应用系统设计中的相关技术。全书共11章，内容分别为单片机系统概述、单片机硬件系统设计基础、指令系统与编程技术、中断系统与定时器应用、串行通信技术、单片机系统扩展及应用、单片机应用系统开发环境、单片机应用系统设计、系统抗干扰设计、实用外围电路设计、常用传感器。 作者总结多年来教学和科研的实践经验，为了解决读者在学习单片机技术及实际应用中的难点和疑惑，对难点进行详细描述，适当进行要点归纳，力求简洁实用，注重系统设计能力的培养，侧重设计方法和实际应用。 本书可作为工科院校电子信息、通信工程、计算机科学与技术、仪器仪表、工业自动化等相关专业单片机系统设计课程教材，以及高职高专相关专业单片机应用课程教材，对于工程技术人员及广大单片机爱好者，本书也极具参考价值。 -SCM system design and engineering applications- Xiao Feng long Elisabeth edited the book system introduced 51 Series MCU basic principles and applications, from the application system design perspective, A more comprehensive presentation of the SCM application system design related technologies. The book has 11 chapters, which were outlined SCM system, microcontroller hardware system design basis, Instruction System and programming technology, and the timer interrupt system application, serial communications technology, SCM system expansion and the application MCU application system

NRF905芯片的C51发送子程序-NRF905 chip C51 sent subroutine

讲述如何提高单片机的运行速度,包括硬件上和软件上如何做相应的设计-on how to improve the speed MCU, including hardware and software on how to do the design accordingly

mp3-example

DS18B20原理图及资料 -DS18B20 schematics and information

零耗时低频宽脉冲软PWM信号控制Keil C51演示程序，转摘！-zero time-consuming low-bandwidth pulses Soft PWM control signal Keil C51 demo program, journals!

由AT98C51单片机硬件电路,用C51编写的红外线解码程序. -AT98C51 single-chip hardware circuit by using C51 decoding procedures for the preparation of infra-red.

51单片机控制产生4路标准舵机PWM（周期20ms，脉宽1~2ms,分辨率0.001ms)的代码，含有与PC的通讯功能，通讯严格握手，测试可靠。keil平台开发，包含串口通讯的指令定义和说明-51 single-chip microcomputer to control the steering gear have a 4-way standard PWM (cycle 20ms, pulse width 1 ~ 2ms, resolution of 0.001ms) code, which contains the communication functions with the PC, communications handshake Strict, tested and reliable. keil platform development, including serial communication command definitions and descriptions

液晶显示的完整程序，是你能很好的借鉴lcd的编程思想。-LCD complete procedures, is that you can draw very good lcd programming ideas.

采用ST的UPSD33XX系列单片机的双串口，实现串口通信的波特率转换，一边为25针串口，一边为9针串口，两天波特率可在程序中修改！文件中包括原理图，PCB和源程序-UPSD33XX using ST"s Microcontroller series dual serial ports, Serial communication baud rate conversion, the side of the 25-pin serial port side of the 9-pin serial ports, two days baud rate can change in the proceedings! Documents including schematics, and source of PCB