这是通信接口实验，"；DA转换原理的表达。

60个命令,..对初学都很有实用价值,值得参考-60 orders for the beginner .. have a great practical value, it is also useful ..............

功能：编程实现简化Xmodem协议，为实现标准的Xmodem协议做基础-Function: XMODEM protocol to simplify programming for the realization of the standard XMODEM protocol as a foundation

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

ps2键盘的命令集，编写键盘驱动时有用。EDH:置位/复位 LED 指示器。键盘右上角有三个 LED 指示器,分别反映 Caps、Num 和 Scroll 三个键的 锁定情况。参数字节如表 2 所列。 -ps2 keyboard command set, the preparation of useful keyboard-driven. EDH: Set/reset LED indicator. The upper right corner of the keyboard has three LED indicators, respectively, reflecting the Caps, Num and Scroll Lock keys in three cases. Parameter bytes as listed in Table 2.

环境测量系统毕业设计大礼包 // 系统一直监测环境光线状况,如果光线太强或者太弱,系统会自动提示 利用61板的KEY3键控制温度测量及语音播报,每按一次KEY3键,61板播放一次温度值及温馨提示,如果光线柔和,同样会播放"光线柔和"-Environmental measurement system design big graduation gift// system has been monitoring ambient light conditions, if the light is too strong or too weak, the system will automatically prompt the use of 61 key control panel KEY3 temperature measurement and voice broadcast, every time KEY3 key board player 61 a temperature value and the gentle suggestion that if the soft light, soft light will also play

93C46的C51读写程序-93C46 the C51 to read and write procedures

基于MC68HC908GP32的液晶控制器、S1D13700接口设计及应用。-MC68HC908GP32-based LCD controller, S1D13700 interface design and application.

一个使用C51编写的视频切换器的控制程序，用于16选4的视频切换-use C51 to prepare a video switcher control procedures for the April 16 elections Video Switch

小弟最近才写过的一款无刷电机的单片机驱动C程序，已经测试过可行。程序不是很复杂。-Younger brother recently wrote of a brushless motor-driven single-chip C procedures have been tested feasible. Process is not very complicated.

MEGA16的小车沿黑线行驶程序，能够控制程控小车沿规定路线自行行使。-MEGA16 the black car along the lane, it will be programmed control along the trolley line provides free exercise.