自制时钟自制时钟介绍资料lcd1602

1、点阵字符型液晶显示模块 使用手册北京精电蓬远显示技术 86-10-62780866传真86-10-62771832联系电话E-mail地址邮编 北京清华大学科技园 华业大厦3202 1000843205室- -2 乍2 4 MDLS4MDLS8MDLS11HD4478020MDLS 21佭( MDLS)22 22VP - 2 -佭 MDLSLCM LCM 1404乚 LCD偅HD44780偅HD44100IC PCB 乍 佪乍 0. 偅 CMOS 催 催.2. 乏乏. RH60% 乍. 2. PCB3.4.5. VP - 3 -6. .

2、280C 2. 3 5 3.4.5. . 乏 2. IC偅VEE3.催 4. 0 5. 催 6. 7.8. - 0C +35C .. / 乬 偠乬 乬 VP - 4 - 585111. 偅HD44780 HITACHI 2.SED1278EPSONKS0066SAMSUNGNJU6408NER JAPAN RADIOROM 19264RAM1605732510 3. 85845.8.9.80RAMM6800 MPU+5V 7V偅 MDLS MDLSVP -5-MDLS 1.1516MDLS40466 LEDHD44780(1) MPUHD447802.VP 1V

3、ss2Vdd+5V3V0偅4RS 105R/W 1 06E MDLS404667DB0LSB8DB19DB210DB311DB412DB513DB614DB7MSB*15E1 MDLS40466 *16E2 MDLS40466 -6-(2) HD44780MPUVP 乍 TcycE1000nsPweh450nsTer,Tef25nsTas140nsTah10nsTddr320nsTdhr10ns乍 TcycE1000nsPweh450nsTer,Tef25nsTas140nsTah10nsTdsw195nsTh10ns-7-(3) MDLS (1) (2) MDLS VP 乍 MINTYPMA

4、X 催VIH2.2-V VIL-0.6V催VOHIOH = 0.2 mA2.4-VVOLIOL = 1.2 mA-0.4VIDD-0.50.2mA乍 (V)Vdd -Vss07.0偅(V)Vdd -V0013.5 (V)VIVssVdd()510203050607080LVHVHTEHT()2020304060708080LVHVHTRSR/WE 0001催AC 1011催-8- MDLS11.64s250KhzDDRAMAC2250KhzAC01.64sHOME3 40s250Khz I/D 1 AC AC I/D010S S4 250Khz40s D D1D0C0B0CB 1C B5250

5、Khz40s S/C S/C R/L DDRAM1 R/L 001VP RSR/WDB7DB6DB5DB4DB3DB2DB1DB0000001S/CR/L*RSR/WDB7DB6DB5DB4DB3DB2DB1DB00000001DCBRSR/WDB7DB6DB5DB4DB3DB2DB1DB000000001I/DSRSR/WDB7DB6DB5DB4DB3DB2DB1DB0000000001*RSR/WDB7DB6DB5DB4DB3DB2DB1DB00000000001-9-6s250Khz40 DL 18DL04N1N0F1510F0577CGRAM40s A5250KhzA003FHDDRA

6、M8250Khz40sDDRAMN0A6N1A0佪A604FHA6A000H2FHA040H67HBFAC9 BF ACBF1BF0DDRAMAC 10250Khz40sVP RSR/WDB7DB6DB5DB4DB3DB2DB1DB010RSR/WDB7DB6DB5DB4DB3DB2DB1DB001BFAC6AC5AC4AC3AC2AC1AC0RSR/WDB7DB6DB5DB4DB3DB2DB1DB0001A6A5A4A3A2A1A0RSR/WDB7DB6DB5DB4DB3DB2DB1DB00001A5A4A3A2A1A0RSR/WDB7DB6DB5DB4DB3DB2DB1DB000001DL

7、NF*-0-11 250Khz40sNF RAM VP N F12 . 89 10.16 17.20 21.24 25.4081MDLS818090 0100 01.07161MDLS16163 MDLS16165 MDLS16166 MDLS16168 MDLS1616151 0100 01.07 40 41.47162MDLS16265 MDLS16265B MDLS16268 MDLS16268C1 01200 01.07 08 09.0F40 41.47 48 49.4F164MDLS164651 0123400 01.07 08 09.0F40 41.47 48 49.4F10 11

8、.17 18 19.1F50 51.57 58 59.5F201MDLS20188 MDLS201890 0100 01.07 08 09.0F 10.13202MDLS20265 MDLS20268 MDLS202691 01200 01.07 08 09.0F 10.1340 41.47 48 49.4F 50.53204MDLS20464 MDLS20464B MDLS20468 MDLS2046121 0123400 01.07 08 09.0F 10.1340 41.47 48 49.4F 50.5314 15.1B 1C 1D.23 24.2754 55.5B 5C 5D.63 6

9、4.67242MDLS242651 01200 01.07 08 09.0F 10.13 14.1740 41.47 48 49.4F 50.53 54.57402MDLS402661 01200 01.07 08 09.0F 10.13 14.17 18.2740 41.47 48 49.4F 50.53 54.57 58.67404MDLS404661 23 41 0123400 01.07 08 09.0F 10.13 14.17 18.2740 41.47 48 49.4F 50.53 54.57 58.6700 01.07 08 09.0F 10.13 14.17 18.2740 4

10、1.47 48 49.4F 50.53 54.57 58.67RSR/WDB7DB6DB5DB4DB3DB2DB1DB011- - MDLS偅 V0 V0偅A15 = E COMDATCW_Add CR_Add DW_Add DR_AddA9 = R/WA8 = RS;EQU EQU EQU EQU EQU EQU20H21H8000H8200H8100H8300H;1BFACPR0:PUSH PUSH PUSH MOV MOVX MOV POP POP POP RETDPH DPL ACCDPTR,#CR_Add A,DPTR COM,AACCDPL DPHBFAC COM ;2 PR1:

11、PUSHDPHVP -2-PUSH PUSH MOVDPL ACCDPTR,#CR_Add;PR11:MOVX JB MOV MOV MOVX POP POP POP RETA,DPTR ACC.7,PR11 A,COM DPTR,#CW_Add DPTR,AACC DPL DPHBF=0? ;3 PR2:PUSHDPH DPL ACCDPTR,#CR_Add A,DPTR ACC.7,PR21 A,DAT DPTR,#DW_Add DPTR,AACC DPL DPHPUSH PUSH MOV MOVX JB MOV MOV MOVX POP POP POP RET;PR21:BF=0? ;4

12、PR3:PUSH PUSH PUSH MOVDPH DPL ACCDPTR,#CR_Add;PR31:MOVX JB MOV MOVX MOV POP POP POP RETA,DPTR ACC.7,PR31 DPTR,#DR_Add A,DPTR DAT,AACC DPL DPHBF=0? DAT ;VP - 3 - 偅 (4 ) HD447804 0.2 VV0 V0偅RSR/W E; EQU EQU EQUP3.3 P3.4 P3.5/ ;BFACPR0:1PUSH MOV CLR SETB SETB MOV CLR MOV SETB MOV CLR SWAP ANL ANL ORL M

13、OV POP RETACC P1,#0FFH RSR/WE COM,P1 E P1,#0FFH EA,P1 EA A,#0FHCOM,#0F0H A,COM COM,A ACC; P1, ; RS=0; R/W=1; E=1; BFAC6-4; E=0; P1, ; E=1; AC3-0; E=0; 8 COM ;PR1:PUSH2ACCVP -4-CLR SETB MOV SETB MOV CLR MOV SETB CLR JC CLR MOV SETB CLR MOV SWAP MOV SETB CLR POP RETRSR/W P1,#0FFH EA,P1 EC,ACC.7 EE PR1

14、1R/WP1,COM EE A,COM AP1,AE EACC; RS=0; R/W=1; P1, PR11:; E=1; BFAC6-4; E=0; BF?C; E=1; E=0 (AC3-0 ); BF=1? ; R/W=0; 催; E=1; E=0; 44; E=1; E=03 PR2:PUSH CLR SETBACC RSR/W; RS=0; R/W=1; P1, PR21:MOV SETB MOV CLR MOV SETB CLR JC SETB CLR MOV SETB CLR MOV SWAP MOV SETB CLR POP RETP1,#0FFH EA,P1 EC,ACC.7

15、 EE PR21 RSR/WP1,DAT EE A,DAT AP1,AE EACC; E=1; BFAC6-4; E=0; BF?C; E=1; E=0 (AC3-0 )BF=1? ; RS=1; R/W=0; 催4; E=1; E=0; 4; E=1; E=0VP -5-4PR3:PUSH CLR SETBACC RSR/W; RS=0; R/W=1; P1, PR31:MOV SETB MOV CLR MOV SETB CLR JC SETB SETB MOV SETB MOV CLR MOV SETB MOV CLR SWAP ANL ANL ORL MOV POP RETP1,#0FF

16、H EA,P1 EC,ACC.7 EE PR31 RSR/WP1,#0FFH E COM,P1 E P1,#0FFH EA,P1 EA A,#0FHDAT,#0F0H A,DAT DAT,A ACC; E=1; BFAC6-4; E=0; BF?C; E=1; E=0 (AC3-0 ); BF=1? ; RS=1; R/W=1; P1, ; E=1催 4; E=0; P1, ; E=1; 4; E=0; 8; DAT MDLS40266 1 ; ,INT:MOVMOV MOVA,#30H DPTR,#CW_Add R2,#03H=3;INT1: MOVXLCALL DJNZ MOV LCALL

17、 MOVDPTR,A DELAY R2,INT1 COM,#38H PR1 COM,#01H; ; *; VP -6-LCALL MOV LCALL MOV LCALL RETPR1 COM,#06H PR1 COM,#0FH PR1; ; 2; ; RS=0; R/W=0; =3INT:MOV CLR CLRP1,#30H RSR/W R2,#03HMOVINT1:E EDELAY R2,INT1 P1,#28H EECOM,#01H PR1 COM,#06H PR1 COM,#0FH PR1; E=1; E=0; SETB CLR LCALL DJNZ MOV SETB CLR MOV L

18、CALL MOV LCALL MOV LCALL RET; *; E=1; E=0; ; ;*; DELAY:MOV MOVR6,#00H R7,#00HDELAY1:NOP DJNZ DJNZ RETR7,DELAY1 R6,DELAY1 MAIN:MOV ANL LCALLSP,#60H P3,#0C7H INT HD44780 1. MOVLCALLCOM,#06H PR1VP -7-MOV LCALL MOV MOV MOV MOV MOVC MOV LCALL LCALL INC DINZ SJMPCOM,#80H PR1 DPTR,#TAB R2,#12 R3,#00H A,R3

19、A,A+DPTR DAT,APR2 DELAY R3 R2,WRIN$WRIN:TAB:DB43H,75H,72H,73H,6FH,72H,20H DB57F,72H,69H,74H,65H; Cursor; write2. DDRAMCL_ENTER:MOV LCALL MOV LCALL MOV MOVCOM,#04H PR1 COM,#90H PR1 DPTR,#TABCL R2,#12H;佪;CL_1:MOV DEC MOVC MOV LCALL LCALL DJNZ SJMPA,R2 AA,A+DPTR DAT,APR2 DELAY R2,CL_1$;TABCL:DB 43H,75H

20、,72H,73H,6FH,72H,20H DB 4CH,65H,66H,74H,20HDB 53H,63H,72H,6FH,6CH,6CH; Cursor; Left; Scroll3. DDRAMCR_ENTER:MOV LCALL MOV LCALL MOV MOV MOV MOV MOVC MOV LCALLCOM,#06H PR1 COM,#80H PR1 DPTR,#TABCR R2,#13H R3,#00HA,R3A,A+DPTR DAT,APR2;佪;CR_1:;VP -8-INC LCALL DJNZ SJMPR3 DELAY R2,CR_1$; TABCR:DB 43H,75

21、H,72H,73H,6FH,72H,20H DB 52H,69H,67H,68H,74H,20HDB 53H,63H,72H,6FH,6CH,6CH; Cursor; Right; Scroll4. DDRAM佪L_ENTER:MOV LCALL MOV LCALL MOV MOV MOVCOM,#07H PR1 COM,#90H PR1 DPTR,#TABL R2,#0BH R3,#00H;L_1:MOV MOVC MOV LCALL INC LCALL DJNZ SJMPA,R3 A,A+DPTR DAT,APR2 R3DELAY R2,L_1$;TABL:DB 4CH,65H,66H,7

22、4H,20HDB 53H,63H,72H,6FH,6CH,6CH; Left Scroll 5. DDRAM佪R_ENTER:MOV LCALL MOV LCALL MOV MOVCOM,#05H PR1 COM,#80H PR1 DPTR,#TABR R2,#0CH;R_1:MOV DEC MOVC MOV LCALL LCALL DJNZ SJMPA,R2 AA,A+DPTR DAT,APR2 DELAY R2,R_1$;TABR:DB 52H,69H,67H,68H,74H,20H DB 53H,63H,72H,6FH,6CH,6CH; Right ScrollVP - 9 -HD447

23、80CGRAM8586400H-3FH; CGRAMCG_WRITE:MOV LCALL MOV MOV MOVCOM,#40H PR1 R2,#64 R3,#00HDPTR,#CGTAB; 佪CG1:MOV MOVC MOV LCALL INC DJNZ RETA,R3 A,A+DPTR DAT,APR2 R3R2,CG1CGTAB:;=00H;=01H;=02HDB 08H,0FH,12H,0FH,0AH,1FH,02H,02H DB 0FH,09H,0FH,09H,0FH,09H,11H,00H DB 1FH,11H,11H,1FH,11H,11H,1FH,00H DB 11H,0AH,

24、04H,1FH,04H,1FH,04H,00H;=03HDB 0EH,00H,1FH,0AH,0AH,0AH,13H,00H;=04H;=05H;=06H;10=07HDB 18H,18H,07H,08H,08H,08H,07H,00H DB 04H,0AH,15H,04H,04H,04H,04H,00H DB 17H,15H,15H,15H,15H,15H,17H,00HLCALLMOV LCALL MOV MOV MOV DDRAM CG_WRITE COM,#80H PR1 DPTR,#TABDY R2,#18 R3,#00H;佪;LOOP1:MOV MOVC MOV LCALL INC

25、 DJNZ MOV LCALL MOVA,R3 A,A+DPTR DAT,APR2 R3R2,LOOP1 COM,#0C0H PR1R2,#18;DDRAM;LOOP2:MOV MOVC MOVA,R3 A,A+DPTR DAT,A;VP -20 -; LCALL INC DJNZ SJMPPR2 R3R2,LOOP2$TABDY:DB 4DH,44H,4CH,53H,34H,30H,32H,36H,36H DB 20H,03H,32H,35H,35H,2EH,30H,30H,04H DB 31H,39H,39H,37H,00H,37H,01H,31H,02H DB 20H,54H,3DH,3

26、3H,35H,05H,06H,20H,07HHD44780VP -2-MDLS VP - 22 -佭(MDLS)(HD44780) (LED,EL)7080) 乍LCM LCM LCM 1. LCM LCM VP 81809816.4510.884.034.561.015.890.0 mA161651612.655.5068.034.052.011.0100.0mA161661613.156.3080.036.064.513.8100.0mA161681614.849.2212233.0099.013.0160.0mA1616151616.0014.5415140.0012023.00-162651622.955.5584.044.061.015.890.0 mA16265B1622.