Sunplus MCU simulate SPI bus function

基于8051F020,目的：用PCF8574器件实现并口输入，输出操作-Based on 8051F020, Objective: To realize parallel PCF8574 device input and output operation

利用单片机加控制直流电机，利用P1口，编制程序输出一串脉冲，经放大后驱动小电机，改变输出脉冲的电平及持续时间，达到使电机正转、反转、加速、减速。停转之目的。 可以通过74LS244输入开关量数据来控制小直流电机的转动，实现正转四种转速，反转四种转速及停转。 -The use of SCM in controlling the DC motor

【液晶显示器的C语言程序设计 Freescale 8位微控制器】一书的光盘，对LCD驱动编写很有帮助-LCDs [C-Language Programming Freescale 8-bit microcontroller] 1 book CD-ROM, LCD driver for the preparation of useful

传感器是实现高精度的重要部分之一，电阻应变式称重传感器传感器由电阻应变片、弹性机械体、检测电路三部分组成。-Serial port is called serial interface, also known as serial communication interface, according to electrical standards and protocols to points, including RS-232-C, RS-422, RS485, USB, etc..

ATMEL ARM7的一款芯片应用实例,可以在IAR上面运行-ATMEL ARM7 application example of a chip can run IAR above

基于Keil C平台的C程序源码，适用于AT89ls52，此程序用于检查7279键盘led专用控制芯片好坏的检测程序，具体内容可参见源码注释-Keil C platform based on C program source code, apply to AT89ls52, this procedure used to check the 7279 keyboard controller chip dedicated led mixed detection procedures, the specific content of the Notes can be found in source

ts12864-3液晶驱动程序，可用，可显示文字和图形-ts12864-3 LCD driver that can be used to display text and graphics

自定义键盘 用户设置自动保存 用户图形界面输入 -Custom user settings automatically saved keyboard user graphical interface input

这是监视器行业常见的键盘与球机通讯协议的C语言源代码-This is a common keyboard monitor industry with the ball machine communication protocol C-language source code

STC12C5402型