PT2262

$regfile = M8DEF.dat internal crystal 8000000 Config Lcdpin = Pin , Db4 = Portc.1 , Db5 = Portc.2 , Db6 = Portc.3 , Db7 = _ Portc.4 , E = Portd.2 , Rs = Portd.3 Config Lcd = 16 * 2 Config Timer1 = Counter , Edge = Rising Ddrb.1 = 0 : Portb.1 = 1 PULL UP RESISTOR ACTIVATED Config Timer0 = Timer , Prescale = 1024 Enable Counter1 Enable Interrupts Enable Timer0 Enable Timer1 On Ovf1 Pulsecount On Ovf0 Ovf0occures Dim A As Long , I As Long , B As Byte B = 0 Cls Start Timer0 Do Loop End end program Ovf0occures: Incr I If I > 30 Then Stop Timer0 Cls : Home A = B * 65536 A = A + Counter1 Lcd FREQ IS : A HZ B = 0 I = 0 : Counter1 = 0 Start Timer0 End If Return Pulsecount: Incr B Counter1 = 0 Return

51单片机的串口通信程序，来自于开发板，VC环境下编写。(51 the Serial communication program, and from the development board, VC environment prepared.)

led fleshing in use 8051

通过51看门狗定时器的使用，了解看门狗定时器的功能(Through the use of the watchdog timer 51, ​ ​ the Watchdog Timer function )

电子时钟的小程序，基于89c51单片机，可以实现定时、计时、修改时间等功能。(Electronic clock applet, based on 89c51 microcontroller, can achieve timing, timing, modification time and other functions.)

说明：  利用定时/计数器T0从P1.0输出周期为1s的方波，让发光二极管以1HZ闪烁，设晶振频率为12MHz(The use of timer/counter T0 from P1.0 output cycle square wave 1s, so that the light-emitting diodes 1HZ blinking, set the crystal frequency is 12MHz)

说明：  power electronic machine model

LTM公司芯片的时钟配置资料。内容很详细清楚！(LTM chips clock configuration data. Content is more clear!)

说明：  一个很通用的按键扫描程序，可用于单片机控制中(A very common key scanner can be used in the SCM)

海风记工表 一个叫完整的程序源码 包含很多技巧 适合初学者学习.(Sea Breeze your working table called complete program source code contains a lot of tips for beginners to learn.)