AZ DISPLAYS, INC. Complete LCD Solutions ACM2402B SERIES LCD MODULE 1.0 PHYSICAL DATA Item Nominal Dimensions / Available Options Unit Number of Characters 24 characters x 2 lines - Character Format 5 x 7 dots with cursor - Overall Module Size (W x H x D) 118.0 x 36.0 x max 14.5 for LED backlight version 118.0 x 36.0 x max 9.5 for reflective or EL backlight version mm Dot Size (W x H) 0.60 x 0.65 mm Dot Pitch (W x H) 0.65 x 0.70 mm Duty 1/16 - Controller IC KS0066 - LC Fluid Options STN - Polarizer Options Reflective, Transflective, Transmissive - Backlight Options EL, LED - Temperature Range Options Standard, Wide temp - 2.0 ABSOLUTE MAXIMUM RATINGS Item Symbol Min Typ Max Unit Operating temperature (Standard) Top 0 - 50 °C Storage temperature (Standard) Tst -20 - 70 °C Operating temperature (Wide temp) Top -20 - +70 °C Storage temperature (Wide temp) Tst -30 - +80 °C Input voltage VI VSS - VDD V Supply voltage for logic VDD-VSS 0 5.0 6.5 V Supply voltage for LCD drive (Standard) VDD-VO 0 - 6.5 V Supply voltage for LCD drive (Wide temp) VDD-VO 0 - 13.5 V 3.0 OPTICAL CHARACTERISTICS (Ta = 25°C, VDD = 5.0V ± 0.25V, STN LC Fluid) Item Symbol Condition Min Typ Max Unit Viewing angle (horizontal) θ Cr ≥ 2.0 ±30 - ±45 deg Viewing angle (vertical) φ Cr ≥ 2.0 60 - 80 deg Contrast Ratio Cr φ=0°, θ=0° 4.5 - 10 Response time (rise) Tr φ=0°, θ=0° - 120 240 ms Response time (fall) Tf φ=0°, θ=0° - 155 310 ms AZ DISPLAYS, INC. 1 6/18/97 ACM2402B SERIES LCD MODULE 4.0 ELECTRICAL CHARACTERISTICS (Ta = 25°C, VDD = 5.0V ± 0.25V) Item Symbol Condition Min Typ Max Unit Supply voltage for LCD drive (Std temp) VDD-VO Ta = 25°C 4.8 V Supply voltage for LCD drive (Wide temp) VDD-VO Ta = 25°C 6.1 V Input voltage VI - 4.75 5.0 5.25 V Input high voltage VIH - 2.2 - VDD V Input low voltage VIL - 0 - 0.6 V Output high voltage VOH IOH=0.2mA 2.4 - - V Output low voltage VOL IOL=1.2mA - - 0.4 V Supply current IDD VDD=5.0V - 3.0 mA Input leakage current ILKG - - - 1.0 uA LED power supply current ILED VLED=5V, R=5.6Ω - 140 - mA EL power supply current IEL VEL=110VAC, 400HZ - 5 - mA 5.0 INTERFACE PIN CONNECTIONS Pin No. Symbol Level Pin Description Function 1 VSS - Ground 0V 2 VDD - Supply voltage for logic +5V 3 VO - LCD contrast adjust By user 4 RS H/L Register select H: Data; L: Instruction code 5 R/W H/L Read / write H: Data read, L: Data write 6 E H, H→L Enable Start signal for data read/write 7 DB0 H/L Data bit 0 8-bit interface 8 DB1 H/L Data bit 1 8-bit interface 9 DB2 H/L Data bit 2 8-bit interface 10 DB3 H/L Data bit 3 8-bit interface 11 DB4 H/L Data bit 4 4-bit or 8-bit interface 12 DB5 H/L Data bit 5 4-bit or 8-bit interface 13 DB6 H/L Data bit 6 4-bit or 8-bit interface 14 DB7 H/L Data bit 7 4-bit or 8-bit interface 15 A - Anode for LED backlight Power supply for LED/EL backlights 16 K - Cathode for LED backlight Power supply for LED/EL backlights AZ DISPLAYS, INC. 2 6/18/97 ACM2402B SERIES LCD MODULE 6.0 POWER SUPPLY VDD VDD VO +5V VR VO +5V VR -5V VSS VSS Standard temp range Wide temp range VR = 10KΩ ~ 20KΩ VR = 10KΩ ~ 20KΩ 7.0 BLOCK DIAGRAM - 1 VSS 2 VDD 3 VO 4 RS 5 R/W 6E 7 DB0 14 DB7 A K AZ DISPLAYS, INC. U2 SEG1~40 U1 8 40 COM1 SEG41~80 40 U3 SEG81~120 40 SEG1-----------SEG120 LCD 24 X 2 COM 16 COM16 LED/EL 3 6/18/97 ACM2402B SERIES LCD MODULE 8.0 TIMING CHARACTERISTICS (KS0066 Controller) Item Symbol Test Condition Min. Typ. Max. Unit Enable cycle time tCYC Fig. a, Fig. b 500 - - ns Enable pulse width PWEH Fig. a, Fig. b 220 - - ns Enable rise/fall time tEr , tEf Fig. a, Fig. b - - 25 ns RS, R/W set up time tAS Fig. a, Fig. b 40 - - ns RS, R/W hold time tH1 Fig. a, Fig. b 10 - - ns tDSW Fig. a 60 - - ns Data hold time tH2 Fig. a 10 - - ns Data delay time tDDR Fig. b - - 120 ns Data hold time tH2 Fig. b 20 - - ns Data set up time 2.2V - - 2.2V RS - 0.6V 0.6V - t AS R/W t H1 - 0.6V - 0.6V PW EH t H1 2.2V - - 2.2V E t Ef t DSW 0.6V - 0.6V - - 0.6V t Er t H2 2.2V - - 2.2V DB0-DB7 - 0.6V Valid Data 0.6V - t CYC Fig. a Interface timing (data write) 2.2V - - 2.2V RS - 0.6V 0.6V - t AS t H1 2.2V - - 2.2V R/W t H1 PW EH - 2.2V E 0.6V - t Er t Ef 2.2V - 0.6V t DDR - 2.2V DB0-DB7 0.6V - t H2 - 0.6V 2.2V - Valid Data 0.6V - t CYC Fig. b Interface timing (data read) AZ DISPLAYS, INC. 4 6/18/97 12 13 14 11 3 4 5 6 7 8 9 10 1 2 DB7 DB1 DB2 DB3 DB4 DB5 DB6 DB0 RS R/W E V SS V DD VO Pin No. Symbol H/L H/L H/L H/L H,H->L H/L H/L H/L H/L H/L H/L - Level Power supply Function DATA BUS LINE ENABLE SIGNAL H:DATA READ (FROM LCM TO MPU) L:DATA WRITE (FROM MPU TO LCM) H:INSTRUCTION CODE INPUT L:DATA INPUT - +5V 0V 14-ø1.8 14-ø1.0 36.0±0.5 2.5 31.0 2 8.1 15.1±0.5 1 2.54 102.3±0.5 88.3 94.5 113.0 A K 2.6 4-ø4.0 4-ø2.5 11.5 8.0 12.0 6.75 2.5 7.88 P2.54X6=15.24 1.6 1.6 1.3 28.4±0.5 1.3 118.0±0.5 SCALE : NONE mm ACM2402B DRAW THIRD ANGLE PROJECT DWG-NO TITLE AZ DISPLAYS, INC. 0.05 UNIT : DATE 0.6 3.7 LED B.L. MAX14.5 9.3 DESIGN CHECK APPROVE NAME W/O B.L. MAX9.5 4.65 5.95 17.5 MAX9.5 (W/O) MAX14.5 (LED) 0.65 0.05