将其数值按二进制数在P 1口驱动LED灯上显示出来。2、外部事件计数脉冲由P 3.4引入定时器t0。

Its value according to the binary number displayed on the P1 mouth drive leds. 2, external event count pulse introduced by P3.4 T0 timer.

youdao

将其数值按二进制数在P 1口驱动LED灯上显示出来。2、外部事件计数脉冲由P 3.4引入定时器t0。

Its value according to the binary number displayed on the P1 mouth drive leds. 2, external event count pulse introduced by P3.4 T0 timer.

youdao