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| DISPLAYTRONIC A DIVISION OF ZE XIAMEN CO., LTD. SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY PART NUMBER: DATE: ACM 2004G SERIES August 26, 2002 ACM2004G SERIES CHARACTER MODULE 1.0 MECHANICAL SPECS 1. Overall Module Size VER1.0 98.0mm(W) x 60.0mm(H) x max 14.5mm(D) for LED backlight version 98.0mm(W) x 60.0mm(H) x max 9.5mm(D) for reflective version 0.55mm(W) x 0.55mm(H) 2.95mm(W) x 4.75mm(H) 1/16 KS0066 TN, STN Reflective, Transflective, Transmissive LED Standard(0C ~ 50C), Wide(-20C ~ 70C) 2. Dot Size 3. Charater Pitch 4. Duty 5. Controller IC 6. LC Fluid Options 7. Polarizer Options 8. Backlight Options 9. Temperature Range Options 2.0 ABSOLUTE MAXIMUM RATINGS Item Operating temperature (Standard) Storage temperature (Standard) Operating temperature (Wide temperature) Storage temperature (Wide temperature) Input voltage Supply voltage for logic Supply voltage for LCD drive Symbol Top Tst Top Tst Vin Vdd- Vss Vdd- Vo Min 0 -10 -20 -30 Vss 2.7 3.0 4.5 Typ Max 50 60 70 80 Vdd 5.5 6.5 Unit C C C C V V V 3.0 ELECTRICAL CHARACTERISTICS Item Input voltage (high) Input voltage (low) Symbol Vih Vil Condition H level L level 0C Recommended LC Driving Voltage (Standard Temp) Vdd - Vo 25C 50C -20C Recommended LC Driving Voltage (Wide Temp) Vdd -Vo 0C 50C 70C Power Supply Current LED Power Supply Voltage LED Power Supply Current Idd Vfled Ifled Vdd=5.0V, fosc=270kHz R=6.8 R=6.8 Min 2.2 0 4.2 3.9 3.7 Typ 4.8 4.5 4.3 6.4 4.8 4.3 4.2 0.5 4.2 120 Max Vdd 0.6 5.4 7.2 1.0 4.4 600 mA V mA V V Unit V V DISPLAYTRONIC A DIVISION OF ZE XIAMEN 1 ACM2004G SERIES CHARACTER MODULE VER1.0 4.0 OPTICAL CHARACTERISTICS (Ta=25C, Vdd= 5.0V0.25V, TN LC fluid) Item Viewing angle (horizontal) Viewing angle (vertical) Contrast Ratio Response time (rise) Response time (fall) Symbol Cr Tr Tf Condition Cr 4.0 Cr 4.0 =0, =0 =0, =0 =0, =0 Min -25 -30 Typ 2 120 120 Max 30 150 150 ms ms Unit deg deg 4.1 OPTICAL CHARACTERISTICS (Ta=25C, Vdd= 5.0V0.25V, STN LC fluid) Item Viewing angle (horizontal) Viewing angle (vertical) Contrast Ratio Response time (rise) Response time (fall) Symbol Cr Tr Tf Condition Cr 2.0 Cr 2.0 =0, =0 =0, =0 =0, =0 Min -60 -40 Typ 6 150 150 Max 35 40 250 250 ms ms Unit deg deg 5.0 BLOCK DIAGRAM 1. Vss 2. Vdd 3. Vo 4. RS 5. R/W 6. E 7. DB0 8 COM 16 16 COM16 14. DB7 ~ U2 SEG1- 40 SEG41- 120 40 SEG 1 COM 1 80 U3 SEG121-200 80 SEG200 U1 LCD 20X4 + BL+ - BL- LED BACKLIGHT DISPLAYTRONIC A DIVISION OF ZE XIAMEN 2 ACM2004G SERIES CHARACTER MODULE 6.0 PIN ASSIGNMENT Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 + Symbol Vss Vdd Vo RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 BL+ BLFunction Ground +5V LCD contrast adjust Register select Read / write Enable Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 Data bit 6 Data bit 7 Power Supply for BL+ Power Supply for BLVss Vo Vdd Vss Vo VER1.0 7.0 POWER SUPPLY Vdd +5V Vr STANDARD TEMP RANGE Vr -5V +5V WIDE TEMP RANGE Vr = 10K ~ 20K 8.0 TIMING CHARACTERISTICS Item Enable cycle time Enable pulse width Enable rise/fall time RS, R/W set up time RS, R/W hold time Data delay time Data set up time Data hold time Symbol tC tW tR , tF tSU tH tD tDSU tDH Test Condition Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. a, Fig. b Fig. b Fig. a Fig. a, Fig. b Min. 500 220 40 10 60 20 Typ. Max. 25 120 Unit ns ns ns ns ns ns ns ns DISPLAYTRONIC A DIVISION OF ZE XIAMEN 3 ACM2004G SERIES CHARACTER MODULE VER1.0 RS R/W E DB0~DB7 VIH1 VIL1 tSU VIH1 VIL1 tH V IL1 tW VIH1 VIL1 tR VIH1 VIH1 VIL1 tDSU tDH VIH1 tF tH VIL1 VIL1 Valid Data VIL1 tC VIL1 Fig. a Interface timing (data write) RS R/W VIH1 VIL1 tSU VIH1 VIH1 VIL1 tH VIH1 tW tF VIH1 VIL1 tH E DB0~DB7 VIH1 VIL1 tR tD VIH1 VIL1 tDSU VIL1 tDH VIH1 VIL1 Valid Data tC Fig. b Interface timing (data read) DISPLAYTRONIC A DIVISION OF ZE XIAMEN 4 ACM2004G SERIES CHARACTER MODULE 9.0 MECHANICAL DIAGRAM VER1.0 A DIVISION OF ZE XIAMEN DISPLAYTRONIC A DIVISION OF ZE XIAMEN 5 ACM2004G SERIES CHARACTER MODULE 10.0 RELIABILITY TEST Evaluations and Assessment* Storage Condition Operation at high temperature and humidity High temperature storage Low temperature storage Content 40C,90% RH,240hrs 60C, 240hrs -20C, 240hrs Current Consumption Twice initial value or less Twice initial value or less Twice initial value or less Oozing none Contrast VER1.0 Other Appearances No abnormality More than 80% of initial value More than 80% of initial value More than 80% of initial value none No abnormality No abnormality *Evaluations and assessment to be made two hours after returning to room temperature (25C5C). *The LCDs subjected to the test must not have dew condensation. DISPLAYTRONIC A DIVISION OF ZE XIAMEN 6 ACM2004G SERIES CHARACTER MODULE 11.0 DISPLAY INSTRUCTION TABLE COMMAND R R/ DB DB DB DB SW7 6 5 4 DB 3 DB 2 DB 1 DB 0 DESCRIPTION VER1.0 Executing time fosc=250khz 1.64ms Clear Display Cursor at Home 0 00 0 0 0 0 0 0 1 Clears Display & Returns to Address 0. 0 00 0 0 0 0 0 1 x Returns Cursor to Address 0. Also returns the display being shifted to the original position. DDRAM contents remain unchanged. I/D: Set Cursor Moving Direction I/D=1: Increment I/D=0: Decrement S: Specify Shift of Display S=1: The display is shifted S=0: The display is not shifted 1.64ms Entry Mode Set 0 00 0 0 0 0 1 I/D S 40s Display ON/OFF Control 0 00 0 0 0 1 D C B Display D=1: Display on D=0: Display off Cursor C=1: Cursor on C=0: Cursor off Brink B=1: Brink on B=0: Brink off Moves cursor or shifts the display w/o changing DD RAM contents S/C=0: Cursor Shift (RAM unchanged) S/C=1: Display Shift (RAM unchanged) R/L=1: Shift to the Right R/L=0: Shift to the Left Sets data bus length (DL), # of display lines (N), and character fonts (F). DL=1: 8 bits F=0: 5x7 dots DL=0: 4 bits F=1: 5x10 dots N=0: 1 line display N=1: 2 lines display Sets CG RAM address. CG RAM data is sent and received after this instruction. Sets DD RAM address. DD Ram data is sent and received after this instruction. Reads Busy Flag (BF) and address counter contents. 40s Cursor / Display Shift 0 00 0 0 1 S/C R/L x x 40s Function Set 0 00 0 1 DL N F x x 40s Set CG RAM Address Set DD RAM Address Busy Flag / Address Read Write Data Read Data x: Don't Care. 0 00 1 Character Generator (CG) RAM Address 40s 0 01 Display Data (DD) RAM Address / Cursor Address 40s 0 1B F Address counter used for both DD & CG RAM address 40s 1 1 0 1 Write Data Read Data Writes data into DDRAM or CGRAM. Reads data from DDRAM or CGRAM. 46s 46s DISPLAYTRONIC A DIVISION OF ZE XIAMEN 7 ACM2004G SERIES CHARACTER MODULE 12.0 STANDARD CHARACTER PATTERNS VER1.0 Note: The character generator RAM is the RAM with which the user can rewrite character patterns by program. DISPLAYTRONIC A DIVISION OF ZE XIAMEN 8 |
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