,

LED1=>LED1, flag=>flag,

choice_tmp=>choice_tmp,mode_tmp=>mode_tmp); u7:set_beep

PORT

MAP(beep_flag=>beep_flag,clk_1=>clk_1,clk_100=>clk_100,mode=>mode,

clk_500=>clk_500,cl_beep=>cl_beeper,beep=>beep);-- u8:set_led

PORT

MAP(clk_1=>clk_1,clear=>clear,state=>state,led_out=>LED2); u9:set_array

MAP(clear=>clear,clk_1=>clk_1,clk_500=>clk_500,

arr_mode=>arr_mode,row=>row,colr=>colr,colg=>colg); u10:set_start

PORT PORT

MAP(start=>start,clk_100=>clk_100,mode=>mode,start_tmp=>start_tmp,flag=>flag); 倒计时：

PROCESS(clear,clk,up,down,clk_1) BEGIN

IF clear='1' THEN

H1<=0;H2<=0;M1<=0;M2<=0;S1<=0;S2<=0; num1<=30;num2<=25;num3<=15;