大容量flash存储芯片nx25p40/80/16/32的单片机驱动程序，容量可以达到512K字节，1M字节，2M字节，4M字节。时钟速度可达50M。...

DS1302的读写，基于MS430F149的读写，简单-DS1302 reading and writing, based on reading and writing MS430F149, simple

很不错的频率计的设计，希望大家多多指教-Cymometer very good design, I hope everyone exhibitions

C51单片机实现红外数据的通信与传输 数据通过串口格式化 38 KHZ载波-C51 MCU infrared data communications and the transmission of data through the serial format 38 kHz carrier

在MSP430单片机上用C操作MMC和SD卡的电路和参考代码。含PDF文档。-MSP430 single chip microcomputer used in the C operator MMC and SD cards circuit and reference code. Containing PDF documents.

MCS51单片机实用子程序-MCS51 practical Subroutine

舵机调试程序舵机控制信号管脚,为P0.7管脚 系统时钟为24500KHZ/8=3062.5KHZ周期为20ms，则频率为50HZ，则tmph+tmpl=61250可以保证产生50HZ PWM-Steering gear steering gear control signal debugger pin for system clock for the P0.7 pin 24500KHZ/8 = 3062.5KHZ period of 20ms, the frequency is 50HZ, the tmph+ Tmpl = 61250 can guarantee have 50HZ PWM

瑞萨7709系列高档单片机串口通信的工程文件，实现简单的单片机与PC之间的串口通信-Renesas 7709 series high-end single-chip serial communication engineering documents, to achieve a simple and single-chip serial communication between PC

四位数码管显示的数码管用的51单片机的C语言时钟程序-Four digital display digital works 51 MCU clock C language program

RS-485接口具有较强的抗干扰性，数据传输的距离较远，在一些应用中常常需要把RS-232标准的信号转换为RS-485的标准信号进传输。图中所示电路允许数据在RS-232/RS-485这两个不兼容的串行数据接口间传递。传输速度为480波特时，传输距离可达1750米。图中双RS-232收发器IC1将主机(PC)输出的RS-232电平转换为TTL电平，驱动高速RS-485收发器IC2 的输入，倒相器使IC2、IC3在受到起始位时被激活。-RS-485 trying to lay all the thoroughly bleed at the nose picking up the birthday 扰 fern cavity 强 ， Chu Huai basin cavity beat escapement for the birthday candle远Now ， Which instance, using Beckmannia中

8051驱动320*240LCD程序 用汇编编写-8051 driver 320* 240LCD procedures used to prepare the compilation of