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| AZ DISPLAYS, INC. COMPLETE LCD SOLUTIONS SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY PART NUMBER: DATE: ACM2004G SERIES November 21, 2002 ACM2004G SERIES LCD MODULE 1.0 MECHANICAL SPECS 1. Overall Module Size 98.0mm(W) x 60.0mm(H) x max 14.0mm(D) for LED backlight version 98.0mm(W) x 60.0mm(H) x max 9.5mm(D) for reflective version 2. Dot Size 3. Dot Pitch 4. Duty 5. Controller IC 6. LC Fluid Options 7. Polarizer Options 8. Backlight Options 9. Temperature Range Options 0.55mm(W) x 0.55mm(H) 0.60mm(W) x 0.60mm(H) 1/16 KS0066 TN, STN Reflective, Transflective, Transmissive LED Standard(0C ~ 50C), Wide(-20C ~ 70C) 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 -20 -20 -30 Vss 2.7 3.0 4.6 Typ Max 50 70 70 80 Vdd 5.5 6.5 Unit C C C C V V V AZ DISPLAYS, INC. 11/21/02 1 ACM2004G SERIES LCD MODULE 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 4.6 4.3 6.4 4.8 4.3 4.2 0.5 4.6 240 Max Vdd 0.6 5.4 7.2 1.0 5.0 480 mA V mA V V Unit V V 4.0 OPTICAL CHARACTERISTICS (Ta=25C, Vdd= 5.0V 0.25V, 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 AZ DISPLAYS, INC. 11/21/02 2 ACM2004G SERIES LCD MODULE 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 14. DB7 U2 SEG1- 40 SEG41- 120 40 SEG 1 COM 1 COM 16 16 COM16 80 U3 SEG121-200 80 SEG200 U1 ~ LCD 20X4 + BL+ - BL- LED BACKLIGHT AZ DISPLAYS, INC. 11/21/02 3 ACM2004G SERIES LCD 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 WIDE TEMP RANGE Vr = 10K ~ 20K Vo Vr -5V +5V Vdd STANDARD TEMP RANGE Vss Vo Vr +5V Vdd 7.0 POWER SUPPLY 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 AZ DISPLAYS, INC. 11/21/02 4 ACM2004G SERIES LCD MODULE RS R/W E DB0~DB7 VIH1 VIL1 t SU VIH1 VIL1 tH V IL1 tW VI H 1 VIL1 tR VI H 1 VIH1 VIL1 tDSU tDH VI H 1 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 t DSU VIL1 t DH VIH1 Valid Data VIL1 tC VIL1 Fig. b Interface timing (data read) AZ DISPLAYS, INC. 11/21/02 5 ACM2004G SERIES LCD MODULE 9.0 MECHANICAL DIAGRAM AZ DISPLAYS, INC. 11/21/02 6 ACM2004G SERIES LCD 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 More than 80% of initial value More than 80% of initial value More than 80% of initial value Other Appearances No abnormality 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. AZ DISPLAYS, INC. 11/21/02 7 ACM2004G SERIES LCD MODULE 11.0 DISPLAY INSTRUCTION TABLE COMMAND R R/ DB DB DB DB SW7 6 54 0 0 00 00 0 0 0 0 0 0 DB 3 0 0 DB 2 0 0 DB DB 1 0 0 1 1 x DESCRIPTION Executing time fosc=250khz 1.64ms 1.64ms Clear Display Cursor at Home Clears Display & Returns to Address 0. 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 Entry Mode Set 0 00 0 0 0 0 1 I/D S 40s 0 Display ON/OFF Control 0 0 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. Writes data into DDRAM or CGRAM. Reads data from DDRAM or CGRAM. 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 0 00 1 Character Generator (CG) RAM Address 40s 0 01 Display Data (DD) RAM Address / Cursor Address Address counter used for both DD & CG RAM address Write Data Read Data 40s Busy Flag / 0 Address Read Write Data Read Data x: Don't Care. 1 1 1B F 0 1 40s 46s 46s AZ DISPLAYS, INC. 11/21/02 8 ACM2004G SERIES LCD MODULE 12.0 STANDARD CHARACTER PATTERNS Note: The character generator RAM is the RAM with which the user can rewrite character patterns by program. AZ DISPLAYS, INC. 11/21/02 9 |
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