51单片机设计学习，有此一本书在手，开始51系列的程序就没有问题了...

键盘和单片机，电脑通信，功能虽然简单，但是理解起来很容易-Keyboard and single-chip, computer communications, features, while simple, but it is easy to understand

压力传感器程序 包括UART GPRS SMS PCF8563-Press Sensor Code based at MSP430

对显示器LCD的读写和I2C的控制程序，供大家享用-Reading and writing on the LCD display and I2C control procedures for everyone to enjoy

单片机AT90S系列 制作简易USB接口（软件模拟,无usb硬件）。asm源代码- Monolithic integrated circuit AT90S series manufacture simple USB connection (software simulation, non- usb hardware). Asm source code

通过控制步进电机的驱动板来控制步进电机实现阀门流量的恒定，可作为反馈系统的参考-By controlling the stepper motor driver board to control the stepper motor to achieve a constant flow valve can be used as a reference feedback system

电话机的工作原理,有振铃电路,电话极性保护电路,还有双音多频发送接收电路-Telephone the working principle, has ringing circuit, Phone polarity protection circuit, as well as send DTMF receiver circuit

用AVR单片机实现的PT100温度传感器测温程序-AVR MCU with PT100 temperature sensor measurement procedures

=== =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

crc校验源码，可供C51程序员参考，我目前测试用的32位CRC程序-crc check source code, programmer"s reference for C51, I am currently testing 32-bit CRC procedures

这个两个rar文件是关于定时器0使用的例子, 也是我第一次使用定时器0做的实验程序: 1. T0_ASM.rar, (带中文注释的C51语言例程), 利用定时器0中断实现LED灯的简单控制。 2. T0_C51.rar, (带中文注释的51汇编语言例程), 利用定时器0中断实现LED灯的简单控制。 两个同样功能的timer0中断程序都在MCU51-63K仿真器下通过实验, 小虾们可以试试看。 -Rar files that are both about the example of the use of Timer 0 is also the first to use my timer 0 of the experimental procedure to do: 1. T0_ASM.rar, (with English language routines C51 annotated), make use of the timer 0 interrupt implementation easy control of LED lights. 2. T0_C51.rar, (with English Notes 51 assembly language routines), use of the timer 0 interrupt achieve easy control of LED lights. Same function in both programs at timer0 interrupted MCU51-63K emulator through the experiment, shrimp can give it a try.