说明：  键控看门狗演示程序.看门狗演示程序 在16383个机器周期内必须至少喂狗一次。当晶振为11.0592M时在17毫秒内需喂狗一次。 激活看门狗后,喂狗,P0.7、P0.6引脚上的LED闪烁发光激活看门狗后,如果不喂狗,则复位 P0.1、P0.0引脚上的LED闪烁发光
(Keying Demo watchdog. Watchdog demo program in the 16383 machine cycle must be at least a喂狗. When the crystal for 11.0592M domestic demand at the 17 ms time喂狗. Watchdog activated after喂狗, P0.7, P0.6 pin on the LED blinking LED activated watchdog, if not喂狗, then reset P0.1, P0.0 pin on the LED flashing light-emitting)