基于Keil C51的单片机+GPRS模块的双串口编程

x25045的编程应用（51汇编格式），它具有512字节的EPROM，看门狗，复位信号等，是MCU不错的外围芯片 -x25045 application programming (51 Series format), which has 512 bytes of EPROM, the watchdog, the reset signal is a good external MCU chip

I2C总线基本操作函数,及几个对I2C总线接口器件24C04操作的函数。 -I2C bus basic operation function, and several of the I2C bus interface device to operate a function of 24C04.

用51单片机内部定时器实现数字钟功能，可以显示小时，分，秒，误差很小。-51 single-chip microcomputer with internal timer digital clock function, can display hours, minutes and seconds, the error small.

mzl05液晶模块的ARM驱动程序，有注解！LPC2131调试通过-ARM LCD mzl05 driver has comments! Debugging through LPC2131

在汇编中按位运算很多，本人在C语言中，增加位处理函数。-In the compilation of digital computing by many, I am in the C language to increase the bit processing function.

资料里有常用的51单片机简单程序。蛮适合初学者的。-Data, there are 51 commonly used microcontroller simple procedure. Quite suitable for beginners.

c8051f340 USB传输 固件驱动， c8051f340 USB传输 固件驱动，-transmission c8051f340 USB drive firmware, c8051f340 USB transmission firmware-driven,

与C51相关模块LCD,24CXX,等的源代码程序-associated with the C51 LCD module, 2 PROM, the source code procedures

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-Is on the sd card interface circuit and the pcb schematic package sd card driver is important information

本程序用于把串口助手所写内容通过pc发送给单片机，并且由单片机把所写内容发送到lcd上面进行显示，所用单片机为日立系列h83664十六位单片机，实验证明可以准确显示pc上面所写的内容。里面包含各个写lcd的子程-This procedure for the serial written by aides through the pc sent to the microcontroller, and written by Singlechip the above content is sent to the lcd display, single-chip microcomputer used for the Hitachi series h83664 16 microcontroller, Experiments show pc can accurately display the contents of the above written. Which contains a subset of the various write-way lcd