是关于sd卡的接口电路图以及pcb封装原理图 是sd卡驱动者重要的资料...

FM1808是一种掉电可保存的RAM存储器,应用很广泛.-FM1808 is a power-off kept in RAM memory, which is widely used.

用8051实现的PS2协议的PC键盘，有详细注释-8051 with the realization of the agreement PS2 PC keyboard, a detailed Notes

利用8051单片机驱动MAX038信号发生模块，实现信号发生器功能。-8051 drivers to use MAX038 signal modules, function signal generator realize.

PIC单片机与MAX517的串行通讯程序-PIC microcontroller with Between MAX517 serial communication program

状态1：正常时，8个LED发光二极管（彩灯）循环点亮。 • 状态2：有报警时，蜂鸣器发出报警声（用P3.3接一个按键，模拟产生报警信号。当开关合上，发生报警；当开关断开，报警停止。用P3.7输出音频信号驱动扬声器，作为报警信号），同时8个LED发光二极管（彩灯）闪烁。 P3.2接一个按键，用于消除报警-Status 1: normal, eight LED light-emitting diodes (lantern) light cycle.

这是我校用于课程设计的USB单片机的库函数。内容精彩，不可多得。-This is my school curriculum design for the USB MCU library functions. As exciting indeed.

一份关于SD卡读写的资料，需要的就拿吧。-A report on the SD card to read and write data, need to just take it.

介绍zlg7290的pdf，介绍得很详细，还有程序实例。-Introduction zlg7290 the pdf, very detailed introduction, there are instances.

单片机在循环显示数字列的同时，采用查询方式控制数字的显示时间和音乐播放的开关。音乐低频信号由定时器采用中断方式产生。-SCM in circulation figures out show at the same time, using figures for the control of time- and the music player switching. Music low-frequency signals used by the timer interrupt way.

这是一个LED灯光渐变的程序！已通过调试-This is a gradual process LED lights! Had passed through debugging