用单片机的C语言实现的开机时间显示上次关机时间（存在看门狗里），还有显示当前时间。可供单片机程序开发人员参考。...

单片机源代码,数字实时钟,C源码,KEIL C开发环境.-Single-chip source code, the number of real-time clock, C source, KEIL C development environment.

带有退格键的键盘输入程序 (for MSP430)，修正厂家代码中对退格键不支持的错误-Backspace with the keyboard input program (for MSP430), to amend the code of manufacturers backspace does not support error

SD卡的驱 动资料，讲述了SD卡的SPI驱动模式-SD Card Driver information about the SD card SPI-driven model

串口模拟程序，与电脑联机使用，使用51单片机。-Serial simulation procedures, and computer on-line access, the use of single-chip microcomputer 51.

基于51平台的串口一扩五芯片GM8125的测试程序，编译环境为Keil C51-on a platform of expanding five serial chip GM8125 testing procedures, compile environment for the Keil C51

用C8051F060开发的光功率计 由C51编写的程序-Optical Power Meter with C8051F060 development program prepared by the C51

一个单片机控制继电器的程序。用C编，可实现一定的基础控制功能

采用C语言开发的16位单片机dsPIC，应用于飞行控制，此段为计算偏距的PID算法-Using C language development of 16 single-chip dsPIC, applies to flight control, this paragraph the purpose of calculating the offset of the PID algorithm

spi 翻译资料 7.2 SPI总线 SD卡信道由指令和数据位（起始位和结束位）组成，SPI信道由字节定向。 每一个指令或数据块由8位的字节和CS标志构成。类似SD卡协议, SPI通讯由 指令、响应和数据组成。全部的主机与SD卡之间的通信由主机控制。主机执行 每一跟CS标志为低的总线-spi Translation 7.2 SPI bus data channel from the SD card command and data bit (start bit and end bit) component, SPI channel directed by byte. Every command or data block from 8-bit bytes and CS constitute signs. SD card similar to the agreement, SPI communications from command, response and data components. All of the host and the communications between the SD card by the host control. Each host implementation with CS low marks for bus

usb-串 口 转 换pcb板 图,pcb格式-usb-serial conversion pcb map, pcb format