说明：  功能:2:00 电孵化倒计时:定时控制输出,低电平有效.高电平相当于关闭.外部端口输,FP15 单向输入端口,高电平重新启动,使用32768晶体/1.
(Features: 2:00 electric incubator countdown: timing control output, active-low. High is equivalent to the closure. External port losers, FP15 unidirectional input port, high to restart, use the 32768 crystal/1.)