【正文】 call ledmov p1,00hmov a,p3orl a,01111111bmov p3,aclr key_fmov a,p3setb key_fmov p1,0ffhanl a ,key_dacjne a,key_da,you_key1ret。***************************************t1:push apush pswpush bclr fl_ms_fdjnz t_1s ,t1_endclr fl_s_finc seccall adj_w。*************************************** min to ledacall led_mintime_24_end:retasc_12:db 11d,2d,21d,1d,21d,2d,21d,3d,21d,4d,21d,5d,21d,6d,21d,7ddb 21d,8d,21d,9d,11d,0d,11d,1ddb 1d,2d,0d,1d,0d,2d,0d,3d,0d,4d,0d,5d,0d,6d,0d,7d,0d,8d,0d,9ddb 1d,0,1d,1dclock:。led w_adj mov led2,d_ledmov led3,blk_ledmov a,w_adjacall bcd_8mov led4,amov led5,bjb fl_250ms ,lk7mov led4,blk_ledmov led5,blk_led lk7: ajmp led_jmp_5_endled_k7_2: 。(18)mov a,k1_datacjne a,9d,key_al_endmov k1_data,01dsjmp key_al_end k2_al:mov a,k1_datacjne a,08d,ke2setb set_oversjmp key_al_endke2: dec amov dptr,asc_hmovc a,a+dptrmov b,a 。********************************led_al:mov a,k1_datacjne a,017d,lo1acall beep_timer sjmp led_al_endlo1: cjne a,18d,ld1acall led_out1sjmp led_al_endld1: inc amov b,02ddiv ab。timer_24and date to led acall time_24jnb fl_3s ,lk2acall date_led lk2:ajmp led_jmp_5_endled_k3_2: 。CLR RAMret。；四舍五入ADD A,0。 gs2=week=mod([5/4]*year+mon_asc(mon)+day)/7week_auto:mov a,YEARmov b,05mul abmov r4,bmov r5,amov r7,04call mul_2MOV DPTR,MON_ASCMOV A,MONdec aMOVC A,A+DPTRADD A,r3。 bafhcdeg。BLACK=20dDB 00010000B。2.db 11011101B。4db 01101101B。*************************led5 led_led5:mov a,led5movc a,a+dptrmov p1,aclr led_5acall timer_1mssetb led_5。****************************************LED: mov p1,0mov dptr,led_asc。mov stat_work,01d。 AJMP RS_485 。ORG 000BH 。100 ms for 6MHzt_l_100ms equ 07fh 。all_clk1 _program 20001012。當顯示“d”時，表示要調(diào)整微調(diào)系數(shù)（099），其值越小，時鐘走時越慢。 3）24小時/ 日月交替顯示。 1）12小時/ 日月交替顯示。所有輸出，均由蜂鳴器輸出！　　顯示狀態(tài)的控制　　按下K2鍵可進入以下工作狀態(tài)：　　校時　　按下K2鍵3S后，進入校時菜單。當顯示“out”時，按K2鍵，即可退出！三、原理圖和PCB圖下一頁AT89C2051的智能時鐘單片機源程序以下為AT89C2051的智能時鐘的內(nèi)部程序。************************************** led1 equ frist+1led2 equ led1+1led3 equ led2+1led4 equ led3+1led5 equ led4+1sp_data equ led5+1。sJMP start ORG 0003H。aJMP T1 。k1_keycjne a,9d,kka1mov a,00dkka1: mov stat_work ,asjmp key_jmp_end kk1:mov a,stat_work 。*************。*************************led2 led_led2:mov a,led2movc a,a+dptrmov p1,aclr led_2acall timer_1mssetb led_2。1db 11000111B。9db 11111110B。7.db 11111111B。t=25ddB 00101111B。if mon=2 and year=4Z(0,1,2,3...)。CR: INC R0 。*********************************proc led_t_dled_t_d:mov dptr,led_ord_3mov b,02hmul abjmp a+dptrled_ord_3: ajmp led_k0_2ajmp led_k1_2ajmp led_k2_2ajmp led_k3_2ajmp led_k4_2led_k0_2: 。(19)mov a,k1_datacjne a,19d,key_al_endmov k1_data,01dsjmp key_al_endk2_al:mov a,k1_datacjne a,018d,ke2setb set_oversjmp key_al_endke2: mov r0,al1_hdec aadd a,r0mov r0,ainc r0acall jj_bitmov b,24djnz ke3 mov b,60dke3:mov a,r0div abmov a,bmov r0,akey_al_end:retend jj_bit:mov a,k1_datamov b,02ddiv abmov a,b 。***************************************proc set_clockset_clock:mov k1_data,01dmov k2_data,01dclr set_over call led_clcall key_bordcall sf_keymov key_data,0mov frist,0set_al41:call clockacall week_autocall al_outacall led_clacall key_bordcall key_delacall key_cljnb set_over,set_al41 。led day,monacall led_monjb fl_250ms ,lk4mov led4,blk_ledmov led5,blk_led lk4: ajmp led_jmp_5_endled_k4_2: 。min houral_l:mov a,r0mov b,r1cjne a,b ,al_chinc r0dec r1djnz r6 ,al_l 。**********