AZ DISPLAYS, INC. COMPLETE LCD SOLUTIONS SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY PART NUMBER: DATE: ACM 4002E SERIES September 22, 1999 ACM4002E SERIES LCD MODULE 1.0 MECHANICAL SPECS 1. Overall Module Size 182.0mm(W) x 33.5mm(H) x max 14.5mm(D) for LED backlight version 182.0mm(W) x 33.5mm(H) x max 9.5mm(D) for reflective version 2. Dot Size 0.60mm(W) x 0.65mm(H) 3. Dot Pitch 0.65mm(W) x 0.70mm(H) 4. Duty 1/16 5. Controller IC KS0066 6. LC Fluid Options TN, STN 7. Polarizer Options Reflective, Transflective, Transmissive 8. Backlight Options LED 9. Temperature Range Options Standard(0ºC ~ 50ºC), Wide(-20ºC ~ 70ºC) 2.0 ABSOLUTE MAXIMUM RATINGS Item Symbol Min Typ Max Unit Operating temperature (Standard) Top 0 - 50 ºC Storage temperature (Standard) Tst -10 - 60 ºC Operating temperature (Wide temperature) Top -20 - 70 ºC Storage temperature (Wide temperature) Tst -30 - 80 ºC Input voltage Vin Vss Vdd V Supply voltage for logic Vdd- Vss 2.7 - 5.5 V Supply voltage for LCD drive Vdd- Vo 3.0 4.6 6.5 V AZ DISPLAYS, INC. 09/22/99 1 ACM4002E SERIES LCD MODULE 3.0 ELECTRICAL CHARACTERISTICS Item Symbol Condition Min Typ Max Unit Input voltage (high) Vih H level 2.2 - Vdd V Input voltage (low) Vil L level 0 - 0.6 V 0ºC - 4.8 5.4 25ºC 4.2 4.6 - 50ºC 3.9 4.3 - -20ºC - 6.4 7.2 0ºC - 4.8 - 50ºC - 4.3 - 70ºC 3.7 4.2 - Idd Vdd=5.0V, fosc=270kHz - 0.5 1.0 mA LED Power Supply Voltage Vfled R=6.8Ω - 4.6 5.0 V LED Power Supply Current Ifled R=6.8Ω - 210 420 mA Recommended LC Driving Voltage (Standard Temp) Recommended LC Driving Voltage (Wide Temp) Power Supply Current Vdd - Vo Vdd -Vo V V 4.0 OPTICAL CHARACTERISTICS (Ta=25ºC, Vdd= 5.0V±0.25V, TN LC fluid) Item Symbol Condition Min Typ Max Unit Viewing angle (horizontal) θ Cr ≥ 4.0 -25 - - deg Viewing angle (vertical) φ Cr ≥ 4.0 -30 - 30 deg Contrast Ratio Cr φ=0°, θ=0° - 2 - Response time (rise) Tr φ=0°, θ=0° - 120 150 ms Response time (fall) Tf φ=0°, θ=0° - 120 150 ms AZ DISPLAYS, INC. 09/22/99 2 ACM4002E SERIES LCD MODULE 4.1 OPTICAL CHARACTERISTICS (Ta=25ºC, Vdd= 5.0V±0.25V, STN LC fluid) Item Symbol Condition Min Typ Max Unit Viewing angle (horizontal) θ Cr ≥ 2.0 -60 - 35 deg Viewing angle (vertical) φ Cr ≥ 2.0 -40 - 40 deg Contrast Ratio Cr φ=0°, θ=0° - 6 - Response time (rise) Tr φ=0°, θ=0° - 150 250 ms Response time (fall) Tf φ=0°, θ=0° - 150 250 ms 5.0 BLOCK DIAGRAM 1. Vss 2. Vdd 3. Vo U2 4. RS 5. R/W 6. E1 SEG1- 40 U3 SEG41- 120 U1 40 80 SEG121-200 80 ~ 7. DB0 SEG 1 COM 1 8 14. DB7 SEG200 LCD 40X2 COM 16 16 COM16 15/+ BL+ 16/- BL- AZ DISPLAYS, INC. LED BACKLIGHT 09/22/99 3 ACM4002E SERIES LCD MODULE 6.0 PIN ASSIGNMENT 7.0 POWER SUPPLY Pin No. Symbol Function 1 Vss Ground 2 Vdd +5V 3 Vo LCD contrast adjust 4 RS Register select 5 R/W Read / write 6 E Enable 7 DB0 Data bit 0 8 DB1 Data bit 1 9 DB2 Data bit 2 10 DB3 Data bit 3 11 DB4 Data bit 4 12 DB5 Data bit 5 13 DB6 Data bit 6 14 DB7 Data bit 7 15/+ BL+ Power Supply for BL+ 16/- BL- Power Supply for BL- Vdd Vo Vr +5V Vss STANDARD TEMP RANGE Vdd Vo Vr +5V -5V Vss WIDE TEMP RANGE Vr = 10KΩ ~ 20KΩ 8.0 TIMING CHARACTERISTICS Item Enable cycle time Symbol tC Test Condition Min. Typ. Max. Unit Fig. a, Fig. b 500 - - ns Enable pulse width tW Fig. a, Fig. b 220 - - ns Enable rise/fall time tR , tF Fig. a, Fig. b - - 25 ns RS, R/W set up time tSU Fig. a, Fig. b 40 - - ns RS, R/W hold time Fig. a, Fig. b 10 - - ns Data delay time tH tD Fig. b - - 120 ns Data set up time tDSU Fig. a 60 - - ns Data hold time tDH Fig. a, Fig. b 20 - - ns AZ DISPLAYS, INC. 09/22/99 4 ACM4002E SERIES LCD MODULE RS R/W VIH1 VIH1 VIL1 t SU VIL1 tH V IL1 VIL1 tW tF VIH1 E VIH1 VIL1 tR VIL1 tDSU VIH1 DB0~DB7 tH VIL1 tDH Valid Data VIL1 VIH1 VIL1 tC Fig. a Interface timing (data write) RS VIH1 VIH1 VIL1 VIL1 tH tSU VIH1 VIH1 R/W tW E VIH1 VIL1 tH VIH1 tR t DSU tD DB0~DB7 tF VIH1 VIL1 VIL1 t DH Valid Data VIL1 VIH1 VIL1 tC Fig. b Interface timing (data read) AZ DISPLAYS, INC. 09/22/99 5 ACM4002E SERIES LCD MODULE 9.0 MECHANICAL DIAGRAM AZ DISPLAYS, INC. 09/22/99 6 ACM4002E SERIES LCD MODULE 10.0 RELIABILITY TEST Evaluations and Assessment* Storage Condition Content Operation at high temperature and humidity High temperature storage Low temperature storage Oozing Contrast Other Appearances 40ºC,90% RH,240hrs Current Consumption Twice initial value or less none More than 80% of initial value No abnormality 60ºC, 240hrs -20ºC, 240hrs Twice initial value or less Twice initial value or less none More than 80% of initial value More than 80% of initial value No abnormality No abnormality *Evaluations and assessment to be made two hours after returning to room temperature (25ºC±5ºC). *The LCDs subjected to the test must not have dew condensation. AZ DISPLAYS, INC. 09/22/99 7 ACM4002E SERIES LCD MODULE 11.0 DISPLAY INSTRUCTION TABLE DESCRIPTION Executing time fosc=250khz 1 Clears Display & Returns to Address 0. 1.64ms 1 x Returns Cursor to Address 0. Also returns the display being shifted to the original position. DDRAM contents remain unchanged. 1.64ms I/D S I/D: Set Cursor Moving Direction I/D=1: Increment I/D=0: Decrement COMMAND R R/ DB DB DB DB S W 7 6 5 4 DB 3 DB 2 DB 1 Clear Display 0 0 0 0 0 0 0 0 0 Cursor at Home 0 0 0 0 0 0 0 0 Entry Mode Set 0 0 0 0 0 0 0 1 DB 0 40µs S: Specify Shift of Display S=1: The display is shifted S=0: The display is not shifted 0 Display ON/OFF Control 0 0 0 Cursor / Display Shift 0 0 0 0 0 1 S/C R/L x x 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 Function Set 0 0 0 0 1 DL N F x x 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 Set CG RAM Address 0 0 0 1 Set DD RAM Address 0 0 1 Busy Flag / 0 Address Read 1 B F Write Data 1 0 Read Data 1 1 0 0 1 D C B Character Generator (CG) RAM Address 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 40µs 40µs 40µs Sets CG RAM address. CG RAM data is sent and received after this instruction. 40µs Display Data (DD) RAM Address / Cursor Address Sets DD RAM address. DD Ram data is sent and received after this instruction. 40µs Address counter used for both DD & CG RAM address Reads Busy Flag (BF) and address counter contents. 40µs Write Data Writes data into DDRAM or CGRAM. 46µs Read Data Reads data from DDRAM or CGRAM. 46µs x: Don't Care. AZ DISPLAYS, INC. 09/22/99 8 ACM4002E 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. 09/22/99 9