74ls164驱动的四位数码管计数器,有电路图，模拟仿真等程序-74LS164-driven four digital tube counter

PIC16F883使用74ls164驱动LED数码管的程序，使用3个脚可以控制8个LED数码管的显示，同时将TRC芯片BQ3287的时钟内容显示出来，附仿真电路。-PIC16F883 use 74ls164 drive LED digital tube procedure, the use of three feet can control of eight LED digital tube display, while the the TRC chip BQ3287 clock display