DISPLAYTRONIC A DIVISION OF ZE XIAMEN CO., LTD. SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY PART NUMBER: DATE: ACM 2402F SERIES OCT. 13, 2000 ACM2402F SERIES CHARACTER MODULE VER1.0 1.0 MECHANICAL SPECS 1. Overall Module Size 190.0mm(W) x 42.0mm(H) x max 14.5mm(D) for LED backlight version 190.0mm(W) x 42.0mm(H) x max 9.5mm(D) for reflective version 2. Dot Size 1.00mm(W) x 1.00mm(H) 3. Dot Pitch 1.10mm(W) x 1.10mm(H) 4. Duty 1/16 5. Controller IC KS0066 6. LC Fluid Options STN(gray,yellow,blue) 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 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 4.2 4.5 4.8- V 0ºC Recommended LC Driving Voltage Vdd - Vo 25ºC 50ºC - Idd Vdd=5.0V, fosc=270kHz - 0.5 1.0 mA LED Power Supply Voltage Vfled R=6.8Ω -3.9 4.1 4.3 V LED Power Supply Current Ifled R=6.8Ω - 150 Power Supply Current mA NOTE: Vfled=SUPPLY VOLTAGE BETWEEN A AND K OF BACKLIGHT DISPLAYTRONIC A DIVISION OF ZE XIAMEN 1 ACM2402F SERIES CHARACTER MODULE VER1.0 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 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 U2 1. Vss 2. Vdd 3. Vo SEG1- 40 SEG41- 120 40 4. RS 5. R/W 6. E U1 SEG 1 80 SEG 120 COM 1 ~ LCD 24 X 2 COM 16 16 7. DB0 8 COM16 14. DB7 15/+ BL+ 16/- BL- DISPLAYTRONIC LED BACKLIGHT A DIVISION OF ZE XIAMEN 2 ACM2402F SERIES CHARACTER MODULE 6.0 PIN ASSIGNMENT VER1.0 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 +5V Vr Vss STANDARD TEMP RANGE Vdd Vo +5V Vr -5V Vss WIDE TEMP RANGE Vr = 10KΩ ~ 20KΩ 8.0 TIMING CHARACTERISTICS Symbol Test Condition Min. Typ. Max. Unit Enable cycle time Item tC 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 DISPLAYTRONIC A DIVISION OF ZE XIAMEN 3 ACM2402F SERIES CHARACTER MODULE RS R/W VIH1 VIH1 VIL1 t SU VIL1 tH V IL1 VIL1 tW tF VIH1 E VER1.0 VIH1 VIL1 tR VIL1 t DSU VIL1 t DH VIH1 DB0~DB7 tH VIH1 Valid Data VIL1 VIL1 tC Fig. a Interface timing (data write) RS VIH1 VIH1 VIL1 t SU VIL1 tH V IH1 VIH1 R/W tW E VIH1 VIL1 tH VIH1 VIL1 tR t DSU tD DB0~DB7 tF VIH1 VIL1 t DH Valid Data VIL1 VIH1 VIL1 tC Fig. b Interface timing (data read) DISPLAYTRONIC A DIVISION OF ZE XIAMEN 4 ACM2402F SERIES CHARACTER MODULE VER1.0 9.0 MECHANICALDIAGRAM DISPLAYTRONIC A DIVISION OF ZE XIAMEN 5 ACM2402F SERIES CHARACTER MODULE VER1.0 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. DISPLAYTRONIC A DIVISION OF ZE XIAMEN 6 ACM2402F SERIES CHARACTER MODULE VER1.0 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 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 1 DB 0 40µs S: Specify Shift of Display S=1: The display is shifted S=0: The display is not shifted Display ON/OFF Control 0 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 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 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 Set CG RAM Address 0 0 0 1 Set DD RAM Address 0 0 1 Busy Flag / Address Read 0 1 B F Write Data 1 0 Read Data 1 1 Character Generator (CG) RAM Address x: Don't Care. DISPLAYTRONIC A DIVISION OF ZE XIAMEN 7 ACM2402F SERIES CHARACTER MODULE VER1.0 12.0 STANDARD CHARACTER PATTERNS 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