用定时器实现简单时钟功能
#include#define PORTLEN P0sbit bit_select = P2^0;sbit seg_select = P2^1;unsigned char src[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};unsigned char qrc[8] =...
贸泽电子ATmega4809 8位单片机,能够在极端温度条件下提供高达20 MHz的稳定性能