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Platform: PIC1687A

Project : 实验3：单个按键控制LED闪灭

Clock F : 外部4M

Software: PICC

Author :

comments:

学习使用单个按键控制LED的闪灭

PIC里面只有B口设置了上拉电阻，

用的时候必须用编程打开它，（OPTION=0X7F）

其他端口都须自已连上拉电阻，

一般是10K，接在5V的电压下就可以了 （见仿真图）

proteus仿真通过 -/******************************************************************************* Platform: PIC1687A Project: Experiment 3: single button control LED flashes off Clock F: External 4M Software : PICC Author: comments: Learn to use single button control LED flash off PIC port B is set inside the only pull-up resistor must be programmed with the time to open it, (OPTION = 0X7F) with the other ports are required to pull their own, usually 10K, connected to the 5V of voltage on it (see the simulation diagram) proteus simulation through