Modbus通讯协议Modbus源码原来Modicon的我…

摘要 文中提出用DDS芯片AB9852实现QAM数字调制的新方法，扩展AB9852在数字调制方面的应用。 。 ． 关键词 QAM调制 单片机 DDS -Abstract In this paper, using DDS chip QAM digital modulation AB9852 realize the new method, the expansion of AB9852 in the digital modulation applications. . . Key words single-chip QAM modulator DDS

LCD12232显示实验源代码，适合51,AVR,ARM单片机使用。-Experimental LCD12232 show source code, suitable for 51, AVR, ARM Singlechip use.

这是一个ST7920液晶的串行数据发送程序如果需要发送地址的话就改动RS位为1。-This a LCD Driver serial data if this procedure addresses this need in the case of changes to the RS-1.

c8051f的IIC读取eeprom,有很好的程序结构，具有通用性，经修改后能用在任何单片机中的IIC操作中-c8051f eeprom read the IIC, a very good program structure is universal, , as amended, can be used in any single-chip-IIC operation

3 phase motor driver source code with freescale MCU

STC12C5A60S2 具备一般51单片机不可企及的高性能，有片内ADDA，速度是一般51的8倍！-STC12C5A60S2 high speed,low price, with ADDA in chip!

程序运行于C8051F020,主要功能是利用C8051F020自带的DAC生成一个正弦波-procedures in the C8051F020, Its main function is to bring their own use C8051F020 the DAC generating a sinusoidal

一个4*4键盘程序，当有按键按下时将在数码管上显示出按下的字符-A 4* 4 keyboard procedure, when the button is depressed will have in the digital control on the press shows that the characters

4*4按键扫描控制数码管显示 通过不同按键控制数码管的显示-4* 4 key scan control LED display

单片机串口通信的简单例程，供需要的人参考-A simple microcontroller serial communication routines for those who need it for reference