《【精美排版】基于单片机的数字电子钟设计与制作pdf.doc》由会员分享，可在线阅读，更多相关《【精美排版】基于单片机的数字电子钟设计与制作pdf.doc（9页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、基于单片机的数字电子钟设计与制作2pdf 作者： 日期：2 ORG 0AJ MP MAINORG 000BHAJ MP TI METI ME: CLR TR0MOV TH0 , #3CHMOV TL0 , #0B8 HSETB TR0MOV 09H, R0I NC 16HMOV R0 , 16HMOV A, R0CLR CCJNE A, 21H, TMMI NC 16HMOV R0 , 16 HI NC 16HMOV A, R0CLR CCJNE A, 22H, TTMMOV 19H, #45 H ; 19H 作为时间到标志AJ MP TTMTMM: I NC 16HI NC 16HTTM:
2、MOV R0, 09HDJNZ 18H, OUT0MOV 18 H, #20MOV 16 H, #23HMOV A, R2; 控制闪烁CLR CSUBB A, #5JZ TMMOV A, 1BHCPL AMOV 1BH, AANL A, R4MOV 1AH, ATM: MOV A, 17HCLR CS UBB A, #23HJZ OUT0SEC: I NC 20HMOV A, 20HCLR CCJNE A, #60, OUT0MOV 20H, #0MIN: I NC 21HMOV 19 H, #0; 一分钟到关闹铃CLR P1. 7MOV A, 21 HCLR CCJNE A, # 60 ,
3、OUT0MOV 21 H, #0HOUR: I NC 22HMOV A, 22HCLR CCJNE A, #24, OUT0MOV 22H, #0OUT0 : RET IDISP: MOV R0 , #10 H ; 10H 作为显存首址MOV R7 , #7FHMOV R6 , #7TO: MOV A, R0MOVC A, A+ DPTRORL A, #80HPUS H ACCMOV A, R7RL AMOV R7 , AORL A, 1AH ; 1AH 控制闪烁MOV P0 , #0MOV P2 , A; P2为位选POP ACCMOV P0 , A; P0作为段选INC R0DJNZ R6
4、 , TORETCHAI : MOV A, R1MOV B, #10DI V ABMOV 10H, BMOV 11H, AI NC R1MOV A, R1MOV B, #10DI V ABMOV 12H, BMOV 13H, AI NC R1MOV A, R1MOV B, #10DI V ABMOV 14H, BMOV 15H, ADEC R1DEC R1RETTSH I : MOV A, R2; R2作为调时与定时的标志CLR CS UBB A, #0F0HJZ GO2MOV R2 , #0FHMOV A, R4RR ARR AMOV R4 , ACLR CCJNE A, #00110000
5、B, GOMOV R3 , #22 HGO: CLR CCJNE A, #00001100B, GO1MOV R3 , #21 HGO1 : CLR CCJNE A, #00000011B, GO3MOV R3 , # 20 HGO3 : CLR CCJNE A, #11000000B, GO2MOV A, 17HCLR CCJNE A, #23H, GO4CLR TR0MOV TH0 , #3CHMOV TL0, #0B8 HSETB TR0MOV 17H, #0GO4 : MOV R2 , #0GO2 : RETDSH I : MOV A, R2; R2作为调时与定时的标志CLR CS U
6、BB A, #0FHJZ DSOUT1MOV R2 , # 0F0 HMOV A, R4RL ARL AMOV R4 , ACLR CCJNE A, #00001100B, DSOUT2I NC R1MOV A, R1MOV R3 , ADEC R1DSOUT2 : MOV A, R4CLR CCJNE A, #00110000B, DSOUT3I NC R1I NC R1MOV A, R1MOV R3 , ADEC R1DEC R1DSOUT3 : MOV A, R4CLR CCJNE A, #00000011B, DSOUT4INC R1INC R1INC R1DSOUT4 : MOV A
7、, R4CLR CCJNE A, #11000000B, DSOUT1MOV R4 , # 00000011BMOV R3 , # 0FHI NC R1I NC R1I NC R1DSOUT1 : RETXSH I : MOV A, R2CLR CS UBB A, # 5JZ XSOUT3MOV A, R3MOV R0 , AI NC R0MOV A, R4CLR CCJNE A, #00000011B, XSOUTMOV A, R2; R2作为调时与定时的标志CLR CCJNE A, #0FH, XSOUT4MOV R0, #0MOV 17H, #23HXSOUT4 : MOV A, R2;
8、 R2作为调时与定时的标志CLR CCJNE A, #0F0 H, XSOUTMOV 17 H, #0MOV R4 , #11000000BMOV R1 , #20HMOV R2 , #5XSOUT: MOV A, R4CLR CCJNE A, # 00110000B , XSOUT2MOV A, R0CLR CSUBB A, #24JC XSOUT1MOV R0 , # 0XSOUT2 : MOV A, R4CLR CCJNE A, #00001100B, XSOUT1MOV A, R0CLR CSUBB A, #60JC XSOUT1MOV R0 , # 0AJ MP XSOUT1XSOU
9、T3 : MOV A, R5CPL AMOV R5 , ACPL P1. 0; P1 . 0闹铃开关指示灯XSOUT1 : RETMAI N:MOV 10H, # 0MOV 11H, # 0MOV 12H, # 0MOV 13H, # 0MOV 14H, # 0MOV 15H, # 0MOV 20H, # 0MOV 21H, # 0MOV 22H, # 0MOV 23H, # 1MOV 26H, # 2MOV 29H, # 3MOV 2CH, # 4MOV 2FH, #5MOV 32H, # 6MOV 35H, # 7MOV 38H, # 8MOV 3BH, # 9MOV 3EH, # 10M
10、OV 41H, # 11MOV 44H, # 12MOV 47H, # 13MOV 4AH, #14MOV 4DH, #15MOV 50H, # 16MOV 53H, # 17MOV 56H, # 18MOV 59H, # 19MOV 5CH, # 20MOV 16H, # 23CLR P1 . 2CLR P1 . 4CLR P1 . 6CLR P1 . 7MOV SP, # 60 HMOV DPTR, #TABMOV R1 , #20H ; R1作为拆分地址首MOV R4 , #11000000BMOV R2 , #5; R2作为定时, 调时选择MOV R5 , #00111100B; R5
11、作为闹铃开关MOV 1BH, # 0MOV 18H, # 20MOV P0 , # 0MOV P2 , # 0MOV IE, # 87 HSETB IT0SETB IT1MOV IP, #2; 设 T0优先级最高MOV TMOD, #1; 定时器模式 1MOV TH0, #3CHMOV TL0 , #0B8HSETB TR0CLR EX0CLR EX1START: ACALL CHAIACALL DISPRI NG: MOV A, R5CLR CCJNE A, #00111100B, SS0MOV A, 19HCLR CCJNE A, #45H, SS0CPL P1 . 7SS0 : JNB
12、P1 . 6 , SS1ACALL DELJNB P1 . 6 , SS1ACALL TS H ICLR P1 . 6SS1 : JNB P1 . 4 , SS2ACALL DELJNB P1 . 4, SS2ACALL XSH ICLR P1 . 4SS2 : JNB P1 . 2, SS3ACALL DELJNB P1 . 2, SS3ACALL DSH ICLR P1 . 2SS3 : AJMP STARTDEL: DJNZ 1DH, $DJNZ 1CH, DELRETTAB : DB 3FH, 6H, 5BH, 4FH, 66H, 6DH, 7DH,7 H, 7FH, 6FHENDse
13、veral group number, then with b a, =c,c is is methyl b two vertical box between of accurate size. Per-23 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a, to b vertical box distance for b, list can measured