ST7920 controller series liquid crystal module Manual(1)
Contents
1. RE RE RE RE RE 3 1 CLEAR 0 o ololi1i DDRAM 20H DDRAM 00H IZD 1 AC 1 2 0 HOME 0 0 0 0 0 0 1 x DDRAM 00H DDRAM 3 ENTRY MODE SET 06H 0 0 0 0 0 1 ID S 132. 9 RS 0 R W 1 BF 6 5 4 2 1 0 CAC 10 RAM RS 1 R W 0 D7 Ds D3 D2 Do AC RAM CGRAM DDRAM IRAM 2 AC 11 RAM RS 1 R W 1 D7 D6 ps D3 Do AC RAM CGRAM DDRAM IRAM Dummy read Dummy read RAM 4 x 0 0 0 0 0 0 1
3. 2 02H 0 0 0 0 0 0 1 SR SR 1 SR 0 IRAM CGRAM 3 04H 1 0 Taol 2 R0 0 RO 0 0 RO0 1 DDRAM 15 ST7920 20070113 128 x 64 4 0000 10XXB
4. 5 4E Hf gt 40ms XRESET t gt 20070113 F gt 10005 30H 01H gt 100us gt 10ms 0 06H gt 37us I a MCU 1 1 5 P1 0 3 PLI 4 P12 5 1 3 6 P1 4 7 1 5 74 00 17 ST7920 20070113 2 DB7 Co 21 Len ESS LeS D La C 10 ST7920 7 1 3 CONTROLLER ST7920 8BIT INTERFACE
5. RET W4_D R3 4 W4_D1 RLC A SID C SETB SCLK CLR SCLK DJNZ R3 W4_D1 RET W4 0 R3 4 W4 01 CLR SID SETB SCLK CLR 5 DJNZ R3 W4_01 RET DEL _2MS D1 R1 200 D2 NOP NOP NOP DJNZ R1 D2 DJNZ RO D1 RET DEL_40MS MOV R2 20 D3 LCALL DEL_2MS DJNZ R2 D3 RET DEL_200MS MOV R2 100 D4 LCALL DEL_2MS 33 20070113 ST7920 DJNZ R2 D4 RET DEL_500MS MOV R2 250 D5 LCALL DEL_2MS DJNZ R2 D5 RET DEL_1500MS LCALL DEL_500MS LCALL DEL_500MS LCALL DEL_500MS RET WEL 1 DB WWW RHLCM COM CN WEL 2 DB WEL 3 DB 020 87573676 WEL 4 DB WEL 5 DB 8X4 WEL 6 DB 32 WEL 7 DB WEL 8 DB 8192 HZ_1 DB B 2 DB HZ_3 DB HZ_4 DB HZ_5 DB HZ_6 34
6. KR EA ENAT EL ERIAM r R WE y 3 4 8 4 PSB SID SCLK ST7920 CS CS 4 577920 SCLK bA 28 20070113 ST7920 ST7920 5 1
7. RW 0 CRS 0 E FEF CONTROLLER ST7920 128X64 EDITOR CRYSTAL 12MHz CS P3 0 SID P3 1 SCLK P3 2 CS EQU P3 0 H DATA L COM SID EQU P3 1 H READ L WRITE SCLK EQU P3 2 COM EQU DAT EQU CODER EQU ADDR EQU ORG 0000H AJMP MAIN ORG 0030H MAIN SP 60H 30H 32H 33H LCALL DEL_40MS LCALL INI LCALL W_LINE LCALL W_LINE ADDR 80H DPTR WEL_1 MOV ADDR
8. AC AC FUNCTION SET 0011 X0XX B X 0 1 1 x x DL 8 4 DL 1 8 MPU DL 1 4 MPU RE RE 1 RE 0 DL IEKE DL RE CGRAM o 11 5 l CGRAM AC AC 00H 3FH DDRAM 1 0 5 A4 2 1 W DDRAM AC 80H 8FH 14 577920 20070113 AC 90 9 ST7920 128 x 64 256 x 32 DDRAM DDRAM
9. CONTROLLER ST7920 8BIT INTERFACE 128X64 23 20070113 577920 20070113 EDITOR CRYSTAL 12MHz RS P3 0 RW P3 1 E P3 2 D0 D7 P1 gt K gt l gt gt K gt K gt F F RS EQU P3 0 H DATA L COM RW EQU P31 H READ L WRITE E EQU P3 2 COM EQU 30H DAT EQU 31H CODER EQU 32H ADDR EQU 33H ORG 0000H AJMP MAIN ORG 0030H MAIN SP 60H P3 0F8H LCALL DEL_20MS LCALL DEL_20MS LCALL INI ADDR 80H DPTR WEL_1 LCALL W_LINE ADDR 90H DPTR WEL_2 LCALL ADDR 88H DPTR WEL_3 LCALL ADDR 98H DPTR WEL_4 LCALL LCALL 1500 5 ADDR 80H DPTR WEL_5 LCALL ADDR 90H DPTR WEL_6 24 577920 20070113 LCALL W_LINE ADDR 88H DPTR WEL_7 LCALL W_LINE ADDR 98H DPTR WEL_8 LCALL W
10. 5V GND I V0 I VEE I Vout PSB I jf u uik4 0 L RST I RS CS HL H L R W SID I LF E SCLK I DB0 DB3 IO HL DB4 DB7 IO HL 4 A I LEDA BLA K I LEDK BLK VEE 3 5 2 Ta 25 Vdd 5 0 10 1 Vih 2 Vil 3 Voh Vo1 5 6 0 7Vdd Vdd 0 6Vmax 0 8Vdd Vdd 0 4Vmax 1 14 1 18mA 00 ST7920 20070113 3 ST7920 12232 9 HS12832 2 12864 12
11. 4 6 7 SR 0 RAM 8 ST7920 20070113 I D 1 DDRAM CAC 1 I D 0 DDRAM AC 1 S S I D H H H L DISPLAY STATUS 08H o 1 D 1 D 0 DDRAM C 1 C 0 B 1 B 0 CURSOR AND DISPLAY SHIFT CONTORL 0001 X 0 1 0 o ola ailsc RL X x DDRAM S C R L L L 1 AC AC 1 L H H L H H
12. 2 2 RAM 8 8 GDRAM X 1 2 3 4 5 6 8 8 10 11 12 13 14 1 1 17 18 18 20 21 22 23 24 E 8 lt 20070113 ST7920 6 DDRAM CGRAM CGRAM EE P E Bo 212127 Qu CGRAM 8 Elsie eEiEISIS e eile elele elelelelelere elelelelerelele 21 S S S S S S aelel EHA epa FD El E El EJE e e e CGRAN EARN EALA kS TLS S SIL 2 TEE 3 s Ix x
13. TD VOUT CAP3M CAP1P CAP1M CAP2P 2 517920 577920 20070113 5 PSB PSB PSB PSB 12232 9 PSB 16032A 1 122X32 E PSB VDD LCD PANEL a 32COM 122 32 dots VOUT LCD A DB0 DB7 Controller 64SEG 58SEG RS CS ST7920 Sl OR Eqv 85 RW 8 RA LEDA LEDK a LED Backlight 2 128X32 VDD LCD PANEL 32 o 144 32 dots VOUT LCD x DB0 DB7 Controller 64SEG 80SEG RS CS ST7920 ROT OR Eqv WIR RW
14. EDITOR MCU 89C52 CRYSTAL 12MHz RS P2 0 RW P2 1 E WR RD DB0 DB7 P0 DATWPEQU 0100H DATRPEQU 0300H COMWP EQU 0000H COMRP EQU 0200H COM EQU 30H DAT EQU 31H CODER EQU 32H ADDR EQU 33H ORG 0000H AJMP MAIN ORG 0030H MAIN SP 60H LCALL DEL_20MS LCALL DEL_20MS LCALL INI ADDR 80H DPTR WEL_1 LCALL ADDR 90H DPTR WEL 2 LCALL W_LINE ADDR 88H DPTR WEL_3 LCALL W_LINE ADDR 98H DPTR WEL 4 19 20070113 577920 f LCALL W_LINE LCALL DEL_1500MS ADDR 80H LCALL W_LINE ADDR 90H LCALL W_LINE ADDR 88H LCALL W_LINE ADDR 98H LCALL W_LINE LCALL DEL_1500MS ADDR 80H DPTR HZ_1 LCALL W_LINE ADDR 90H DPTR HZ 2 LCALL W_LINE ADDR 88H DPTR HZ_3 LCALL W_LINE ADDR 98H DPTR HZ_4 LCALL W_LINE LCALL DEL_1500MS ADDR 80H DPTR HZ_5 LCALL W_LINE ADDR 90H DPTR HZ_6 LCALL W_LINE ADDR 88H DPTR HZ_7 LCALL W_LINE ADDR 98H DPTR HZ 8 LCALL W_LINE LCAL
15. 128X32 144X32 160X32 128X 64 M6800 64x16 RAM DDRAM 16 x4 LCD 16 x2 2M ROM CGROM 8192 16 x 16 AE 16K CFA ROM HCGROM 126 16 x 8 64x16 15x16 240 ICON ICONRAM ST7920 ST7920 0A BIG 5 ST7920 0B 6B 577920 f 1 577920 MCU 20070113 u VCC I
16. 20070113 577920 f HZ_7 DB HZ_8 DB END 35 20070113
17. 8192 16X16 126 16X8 2 DDRAM E CGROM Es 2 577920 RAM 4 16X16 CGROM CGRAM 9 RAM DDRAM RAM 64X2 4 16 RAM CGROM HCGROM 1 DDRAM 02 7FH 2 CGRAM 2 DDRAM 0000H 0002H 0004H 0006H 3 2 DDRAM 8 8 A140H D75FH 5 ALAOH F7FFH GB 4 ICON RAM IRAM 577920 240 ICON 15 ICON RAM ICON RAM S
18. FC ST7920 20070113 1 8 RS DB0 DB7 lt Valid data 2 8 RS DB0 DB7 lt 3 4 Upper Low Upper Low Upper Low Eb p E Qo p sb Go y RAM Instruction Dumm 11 577920 20070113 4 e j 1 2 3 45 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C Synchronizing lt X lt Lower Bit string data data kt 1 gt lt Fhua y 5 VDD i 1 1 RE 0 B R RW mm of 0 0 0 0 0 0 0 0 0 1 161 0 0 0 0 0 0 01 0 0 1 X 0 0 0 o 0 0 0 1 1l S 0 0 0 1 01 01 0 11 D Tous 0 0 0 0
19. 0 1 IRIX X 0 0 0 0 1 0 X 08 X X CGRAM 0 0 olill A AJ JA AA 2s DDRAM 0 0 110151AM A faf A 12 577920 20070113 0 1 1 0 T2us 1 T2us 2 2 RE 1 RS RW 1 D D D D D 0 0 0 0 0 0 0 0 0 1 RAM 0 0 0 0 0 0 0 0 1 R RATER 0 0 0 0 0 0 0 1 R RO T2us 0 0 0 0 0 0 1 LI X X T2us 0 0 0 0 1 xII G 0 IRAM Wa 0 0 0 1 2 A A 0 0 0 AA 292 A RAM 0 0 1 Hlaalu iala alo ST7920 MCU ST7920 BF 0
20. 148 5 149 SEG150 5 151 5 152 5 153 SEG154 SEG155 5 156 SEG157 5 158 5 159 160 SEG161 5 162 SEG163 5 164 SEG165 SEG166 5 167 5 168 5 169 5 170 SEG171 SEG172 SEG173 SEG174 76 5 177 5 178 5 179 5 180 5 181 SEG182 SEG183 5 184 5 185 5 186 5 187 5 188 SEG189 5 190 2 5 193 SEG194 SEG195 5 196 SEG197 5 198 5 199 SEG200 SEG201 SEG202 5 203 SEG204 SEG205 5 206 1 5 209 5 210 5 211 5 212 5 213 5 214 5 215 5 216 5 217 5 218 5 219 5 220 5 221 5 222 224 5 225 5 226 5 227 SEG228 SEG229 SEG230 SEG231 5 232 5 233 SEG234 5 235 SEG236 SEG237 5 238 jo je jo jo 16 IRAM IRAM 2 577920 20070113 8 015 8 8 7 D7 DD 5 RAM 64X32 256X64 GDRAM
21. E JB ACC 7 WC1 CLR RW WCODE SETB E 26 577920 20070113 JB ACC 7 WCO1 SETB RS CLR RW P1 CODER SETB E CLR E RET DEL_20MS MOV 20 D2 MOV 1 200 D1 NOP NOP NOP DJNZ 1 1 DJNZ R0 D2 RET DEL_100MS LCALL DEL_20MS LCALL DEL 20MS LCALL DEL 20MS LCALL DEL 20MS LCALL DEL 20MS RET DEL_500MS LCALL DEL_100MS LCALL DEL_100MS LCALL DEL_100MS LCALL DEL_100MS LCALL DEL_100MS RET DEL_1500MS LCALL DEL_500MS LCALL DEL_500MS LCALL DEL_500MS RET WEL_1 DB 27 2 577920 20070113 DB WWW RHLCM COM CN WEL_3 DB 020 87573676 4 DB WEL_5 6 7 WEL_ 8 HZ_1 DB HZ_2 DB HZ_3 DB HZ_4 6 7 8 END 128X64 8X4 A 8192
22. HS12864 15 HS12864 19 12864G 16032A 1 GND GND GND GND GND LEDK GND 2 VCC VCC VCC VCC VCC LEDA VCC V0 V0 V0 V0 V0 GND V0 4 RS RS RS RS RS VCC RS 5 R W R W R W R W R W NC R W 6 E E E E E RS E 7 DB0 DB0 DB0 DB0 DB0 R W DBO 8 DB1 DB1 DB1 DB1 DB1 E DB1 9 DB2 DB2 DB2 DB2 DB2 DBO DB2 10 DB3 DB3 DB3 DB3 DB3 DB1 DB3 11 DB4 DB4 DB4 DB4 DB4 DB2 DB4 12 DB5 DB5 DB5 DB5 DB5 DB3 DB5 13 DB6 DB6 DB6 DB6 DB6 DB4 DB6 14 DB7 DB7 DB7 DB7 DB7 DB5 DB7 15 LEDA PSB PSB PSB PSB DB6 PSB 16 LEDK NC NC NC NC DB7 RST 17 RST RST RST RST PSB Vout 18 NC NC Vout Vout RST LEDA 19 LEDA LEDK BLK LEDA Vout LEDK 20 LEDK LEDA BLA LEDK V0 NC NC 4 LCD ST7920 2 VCC V0 LCD LCD VO VO Vout Ho Vout V0 V0 Vo 12864 12 LCD 5V V0 VCC LCD
23. lt al RE LEDA LEDK LED Backlight 577920 20070113 3 144X32 VDD VSS LCD PANEL 128 32 dots VOUT LCD DB0 DB7 Controller 64SEG 64SEG RS CS ST7920 RST E SCLK 5202 SEEI ST 1 RW SID PSB ST7921 OR Eqv LEDA LEDK LED Backlight 4 160X32 LCD PANEL 160X32 dots VOUT LCD l DB0 DB7 Controller 64SEG 96SEG RS CS ST7920 RST OR Eqv VDD VSS 32COM 525 f RW SID Control Signals ST7921 OR LEDA LEDK x LED Backlight 5 128X64 ST7921 VDD VSS Vo VOUT LCD DB0 DB7 Controller 32 0 m 128X32 dots 85 OS 128 32 dots Edv N RW SD 64SEG 64SEG PSB 965 32SEG 11 LED Backlight ST7921 577920 20070113 517920 1 ROM CGROM ROM HCGROM ST7920
24. 577920 20070113 ST7920 02087573676 577920 20070113 5677920 ST7920 ST7920 ST7920 33 com 64 seg ST7921 256X32 256X32 577920 e 8 4 ST7920 122X32
25. 90H DPTR WEL 2 ADDR 88H 29 ST7920 DPTR WEL_3 LCALL ADDR 98H DPTR WEL_4 LCALL LCALL 1500 5 ADDR 80H LCALL W_LINE ADDR 90H LCALL W_LINE ADDR 88H LCALL W_LINE ADDR 98H LCALL W_LINE LCALL DEL_1500MS ADDR 80H DPTR HZ_1 LCALL W_LINE ADDR 90H DPTR HZ 2 LCALL W_LINE ADDR 88H DPTR HZ_3 LCALL W_LINE ADDR 98H DPTR HZ_4 LCALL W_LINE LCALL DEL_1500MS ADDR 80H DPTR HZ_5 LCALL W_LINE ADDR 90H DPTR HZ_6 LCALL W_LINE ADDR 88H DPTR HZ_7 LCALL DPTR WEL_5 DPTR WEL_6 DPTR WEL_7 DPTR WEL 8 5 30 20070113 ST7920 ADDR 98H DPTR HZ_8 LCALL LCALL 1500 5 MAIN INI COM 30H LCALL WCOM COM 30H LCALL WCOM COM 0CH LCALL WCOM COM 01H LCALL WCOM COM 06H LCALL WCOM RET W_LINE MOV COM ADDR LCALL WCOM 4 16 A 00H MOVC CODER A LCALL WC
26. ET DEL_1500MS LCALL LCALL DPH DPL DPTR COMRP A DPTR ACC 7 WCODE1 DPTR DATWP MOV A CODER MOVX DPTR A DPL DPH R0 20 R1 200 R1 D1 R0 D2 DEL_20MS DEL_20MS DEL_20MS DEL_20MS DEL_20MS DEL_100MS DEL_100MS DEL_100MS DEL_100MS DEL_100MS DEL_500MS DEL_500MS 22 20070113 ST7920 LCALL DEL_500MS RET WEL_1 DB WEL 2 DB WWW RHLCM COM CN WEL 3 DB 08602087573676 WEL 4 DB 128X64 WEL 5 DB WEL 6 DB 8X4 7 DB WEL 8 DB 8192 HZ_1 DB 20 TL 52 HZ 2 DB HZ 3 DB HZ_4 DB HZ 5 DB 6 DB ii HZ 7 DB HZ 8 REMI GINZA END rv 7 gt 2
27. L DEL_1500MS DPTR WEL 5 DPTR WEL 6 DPTR WEL 7 DPTR WEL 8 y 20 20070113 577920 20070113 LJMP MAIN INI COM 30H LCALL WCOM COM 30H 8 bit LCALL WCOM COM 0CH LCALL WCOM COM 01H LCALL WCOM 06 7 LCALL WCOM RET W_LINE MOV COMADDR LCALL WCOM R2 16 16 8 16 W_L1 MOV A 00H MOVC A A DPTR MOV CODER A LCALL WCODE INC DPTR DJNZ R2 W_L1 RET WCOM PUSH DPH PUSH DPL MOV DPTR COMRP WCOM1 MOVX A DPTR JB ACC 7 WCOM1 MOV DPTR COMWP MOV A COM DPTR A POP DPL POP DPH RET WCODE 21 PUSH PUSH MOV WCODE1 JB POP POP RET DEL_20MS MOV D2 MOV D1 NOP NOP NOP DJNZ DJNZ RET DEL_100MS LCALL LCALL LCALL LCALL LCALL RET DEL_500MS LCALL LCALL LCALL LCALL LCALL R
28. ODE INC DPTR DJNZ R4 W_L1 RET WCOM LCALL STWC A COM LCALL W4_D LCALL W4_0 LCALL W4_D LCALL W4 0 CLR CS LCALL DEL_2MS RET A A DPTR 16 8 bit 7 0 0 31 20070113 ST7920 WCODE LCALL STWD A CODER LCALL W4_D LCALL W4_0 LCALL W4_D LCALL W4 0 CLR CS LCALL DEL_2MS RET STwC SETB CS SETB SID R3 5 5 1 STWC1 SETB SCLK CLR SCLK DJNZ R3 STWC1 CLR SID R3 3 STWC2 SETB SCLK RW 0 RS 0 0 CLR SCLK DJNZ R3 STWC2 RET STWD SETB CS SETB SID R3 5 5 STWD1 SETB SCLK CLR SCLK DJNZ R3 STWD1 CLR SID RW 0 SETB SCLK CLR SCLK SETB SID RS 1 SETB SCLK CLR SCLK CLR SID 0 SETB SCLK CLR SCLK 32 20070113 ST7920
29. R s gt Ro IRAM AC3 AC0 2 51 14 13 12 1 D8 D7 D6 D5 D3 D2 DI 0 0 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEGS 5 9 5 10 SEG11 5 2 5 SEG14 0 SEG17 5 8 5 9 5 20 5 21 5 22 SEG23 5 24 5 25 5 26 SEG27 5 28 5 29 SEG30 o 1 o secas secas secas 55626 5 027 seGss 539 secs secs secas secus secas secas secs 0 5 49 5 50 SEG51 5 52 5 53 SEG54 SEG55 5 56 5 57 5 58 5 59 5 60 5 62 1 65 5 66 5 67 5 68 5 69 5 70 5 5 2 5 73 5 74 SEG75 SEG76 5 78 1 5 81 5 82 5 83 5 84 5 85 5 86 5 87 5 88 5 89 5 90 5 91 SEG92 SEG94 0 0 0 0 0 0 1 5 97 SEG98 SEG99 SEG100 5 101 SEG102 5 103 SEG104 SEG105 SEG106 SEG107 SEG108 SEG109 SEG110 SEG111 0 SEG113 SEG114 SEG115 SEG116 SEG117 SEG118 SEG119 SEG120 SEG121 SEG122 5 123 SEG124 SEG125 SEG126 SEG127 1 128 129 SEG130 SEG131 SEG132 SEG133 SEG134 5 135 5 136 5 137 SEG138 5 139 SEG140 5 141 5 142 5 143 1 7 1 1 1 1 5 1 1 1 5 145 5 146 5 147 5
30. X 0 1 0 0 0 0 1 SL 0 0 SL 1 2 SL 0 5 001 DL X100 B DL 1 8BIT DL 0 4BIT 0 1 o 0 11 In x x DL 8 4 DL 1 8 MPU DL 1 4 MPU RE RE 1 RE 0 G G6 1 6 0 RE DL G 930097 DL G RE 6 WE IRAM 1 5 SR 1 A5 A0 A EA 55 SR 0 A3 A0 IRAM 7 RAM HHHH HHHH 5 4 2 1 0 GDRAM AC 2 AC6 AC0 AC3 AC0 16 ST7920
31. _LINE LCALL DEL_1500MS MOV ADDR 80H MOV DPTR HZ_1 LCALL W_LINE MOV ADDR 90H MOV DPTR HZ_2 LCALL W_LINE ADDR 88H MOV DPTR HZ_3 LCALL W_LINE ADDR 98H MOV DPTR HZ 4 LCALL W_LINE DEL 1500 5 ADDR 80H DPTR HZ_5 LCALL W_LINE ADDR 90H DPTR HZ_6 P LCALL W_LINE ADDR 88H DPTR HZ_7 LCALL ADDR 98H DPTR HZ_8 LCALL W_LINE LCALL DEL_1500MS LJMP MAIN INI COM 30H LCALL WCOM COM 30H 8 bit LCALL WCOM 25 ST7920 20070113 MOV COM 0CH LCALL WCOM COM 01H LCALL WCOM 06 7 LCALL WCOM RET W_LINE 8 COMADDR LCALL WCOM R2 16 16 8 16 W_L1 A 00H MOVC A A DPTR MOV CODER A LCALL WCODE INC DPTR DJNZ R2 W_L1 RET CLR RS SETB RW MOV P1 0FFH SETB E CLR
Download Pdf Manuals
Related Search
ST7920 controller series liquid crystal module Manual(1)