minL_1
secH_1
模块4：计时输出模块
secL_1 or secH_1 or minL_1 or minH_1 or hourL_1 or hourH_1 or secL_2 or secH_2 or minL_2 or minH_2 or hourL_2 or hourH_2
hourL
hourL_1
secL
reg类型
secL<=secL_2··· ···hourH<=hourH_2
minL
minL_2
hourH_2
set_alarm==0
set_mod==1
secH_2
1
secL<=secL_1··· ···hourH<=hourH_1
minH_1
hourH_1
secH
hourH
hourL_2
minH_2
secL_1
output类型
secL_2
minH
0
