中斷及定時器實現時鐘功能

中斷及定時器實現24時 時鐘，程序以下：數組 #include <reg52.h>函數   #define PORTLEN P0spa   sbit bit_select = P2^0;3d sbit seg_select = P2^1;blog   unsigned char src[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f

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