在单片机向实际系统发出控制信号时,需用数模转换芯片将数字信号转成模拟信号.这个程序和原理图详细说明了DA转换器的应用和开发....

6-leddisplay.rar

基于2407平台的spi串行通讯常用例程 -2407 platform based on the commonly used 20 serial communication routines

SHT71数字温湿度传感器的AVR单片机驱动程序-SHT71 digital temperature and humidity sensor AVR Single Chip Driver

点阵液晶取模取模软件，里面可以设置很多种方式，纵向取模与横向取模等可以适应各种LCD-Modulus modulus matrix LCD software, which can be set to very many ways, vertical and horizontal modulus modulus, etc., may adapt to a variety of LCD

通过调用第3方的VC++类,实现具有遍历MODEM名字,COM口和初始化字符串等功能的一个实例-By calling the No. 3 party VC++ Category, achieving ergodicity MODEM name, COM port and initialization string functions such as an instance of

0-99的计数器，带proteus仿真文件。-0-99 of the counter, with proteus simulation file.

avr单片机atmega8系列定时器的使用测试程序，本程序为示例程序，适用于初学者 -avr SCM timer atmega8 series of testing procedures, the procedures for sample procedures applicable to beginners

MCF5272的评估版原理图和PCB图嵌入式硬件设计资料-MCF5272 evaluation version of the schematic and PCB map embedded hardware design information

=== =时钟20:6=== === == 应先初始化状态寄存器 tx1714 EQU 7FFH PA EQU 05H PB EQU 06H PC EQU 07H PD EQU 20H IAR EQU 00H 间接寻址寄存器 TMR0 EQU 01H 定时器 STATUS EQU 03H 状态寄存器 BSR EQU 04H bank选择寄存器 PORTA EQU 05H I/0端口寄存器 PORTB EQU 06H I/0端口寄存器 PORTC EQU 07H I/0端口寄存器 PORTD EQU 20H I/0端口寄存器 PULL EQU 21H PULL-High上拉寄存器 WAKEUP EQU 22H 唤醒控制寄存器－－被用来设定watchdog允许和禁止 IRQM EQU 23H 中断屏蔽寄存器 IRQF EQU 24H 中断标志寄存器 WDTSEL EQU 25H -=== === = clock 20 : 6 === === === == should first register initialization state tx1714 EQU 7FFH EQU PA PB EQU 05H 06H 07H PC EQU PD EQU 20H IAR E QU 00H indirectly addressable registers TMR0 EQU 01H timer STATUS EQU Mr send state BSR EQU-deposit bank in the 04H choice Register PORTA EQU 05H I/O ports Register P ORTB EQU 06H I/O ports Register PORTC EQU 07H I/O ports Register POR TD EQU 20H I/O ports Register PULL EQU 21H PULL-High pull Register WAKEUP EQU 22H awaken control registers-- were used to set watchdog allowed and prohi

51单片机与USB芯片PDIUSBD12接口固件程序,来源于周立功单片机-51 MCU with USB interface chip PDIUSBD12 firmware procedures, Zhou, who comes from SCM