ADC0809 _ ADC0809 _电压表电压表

VC++下与C8051F340单片机的USB通信程序,采用批量传输协议! 可作为C8051F340开发USB的例程.

=== =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

c8051f020里面自带的温度传感器的使用程序，经调试通过。-C8051F020 own temperature sensor inside the use of procedures adopted by the debugger.

开发硬件电路需要用到液晶显示模块1602的用户必备。调试实验源程序第五部分。-Hardware needed to develop liquid crystal display module 1602 required the user. Part V of the experimental source code debugging.

单片机51系列测试串口的简单程序反回输入字符-MCU Series 51 serial test the simple procedure of the anti-back character input

MSP430F149单片机12864液晶显示程序-MSP430F149 single-chip LCD procedures 12864

这一个调节PWM占空比输出程序,EM78P458应用,已通过调试-a PWM duty cycle output procedures EM78P458 applications through debugging

此程序是用AVR单片机编写的驱动SD卡的源代码，希望大家能够喜欢！-this procedure is used to prepare the AVR SD card driver source code and I hope we can like!

8019和51单片机的接口电路-8019 and 51 MCU Interface Circuit

点阵式打印机驱动程序,CPU:89C51RD2,含3562个汉字,可打印图形,有1024字节缓冲区-Dot-matrix printer driver, CPU: 89C51RD2, including 3562 Chinese characters can print graphics, has 1024-byte buffer