34 BATRON 5 mm Character Height LCD Modules BT 44005 Character LCD Modules 4 Lines x 40 Characters Dimensions [mm] Dot Size ■ MECHANICAL DATA ■ PIN TABLE Parameter Width x Height x Depth Unit Pin Symbol Signal Description Outline Dimensions 196 x 56 x 11 (with LED: 14) mm 1 VSS GND (0 V) Effective viewing area 154.4 x 27.6 mm 2 VDD Power Supply (5 V) Dot Size 0.55 x 0.6 mm 3 V0 Supply Voltage (LCD Driver) Dot Pitch 0.65 x 0.70 mm 4 RS Register Select - LOW = Instruction, High = Data Character Matrix 5x7 dots 5 R/W Character Size 3.15 x 5.90 mm Read / Write LOW = MPU to LCM, HIGH = LCM to MPU Character Pitch 3.75 x 5.90 mm Weight Approximate 129 (with LED: 169) 6 NC Not Connected 7 to 14 DB0 to DB7 Data Bus - Software selectable 4 or 8 Bit Mode 15 E1 Enable Signal of HD 44780 No.1 16 E2 Enable Signal of HD 44780 No.2 Unit A +VLED Anode of LED Unit K -VLED Cathode of LED Unit g ■ ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage (Logic) Symbol Min. Max. VDD (VDD-VSS) 0 7.0 V Supply Voltage (LCD Driver) VEE (VDD-V0) 0 13.5 V Input Voltage VI VSS VDD Operating Temperature TOP See Page 11 °C Storage Temperature TST See Page 11 °C V ■ ELECTRICAL CHARACTERISTICS ■ ADDITIONAL INFORMATION ◆ Display Connector Type - without LED: 1 x 16 pin or 2 x 8 pin ◆ Display Connector Type - with LED: See Drawing ◆ Controller Type - SPLC 780 (2) or compatible Condition: Ta = 25°C, VDD = 5.0± 0.25 V Parameter Symbol Min. Typ Max. Input Voltage HIGH VINH 2.2 --- --- Unit V Input Voltage LOW VINL --- --- 0.6 V Output Voltage HIGH VOH 2.4 --- --- V Output Voltage LOW VOL --- --- 0.4 V Supply Current (Logic) IDD --- 3.0 --- mA Supply Current (LCD Driver) I0 --- 0.5 --- mA Duty Ratio --- --- 1 / 16 --- --- ■ BLOCK DIAGRAM Controller ■ LED BACKLIGHT (STANDARD COLOR GREEN) Parameter Symbol Min. Typ Max. Supply Voltage VF 3.8 4.1 4.4 Unit V Supply Current IF[at 25°C] --- 340 460 mA Lamp Style --- --- 04 --- --- LED Segments --- --- 36 --- pcs Controller Data Modul AG - Landsberger Str. 322 - 80687 München - Tel. 089-56017-0 - Fax 089-56017-119 – www.data-modul.de