HDM32GS12L-4 128 X 32 Dots Graphic, LED Back Light Dimensional Drawing 122.0±0.5 115.0 3.5 6.35 109.3 11.5 99.0±0.2 0.04 0.04 44.0±0.5 36.4 27.0 0.7 1 2.5 16 24.0 7.0 20.44 16.5 0.6 1.8 3.3 8.0 94.68 4-∅3.5 9.3 Dimension tolerance: +/-0.3mm 1.6 Features Features Backlight...........................................................................LED Options.................................................................Yellow STN Extended Temperature Top Viewing Built-in Controller.............................................Sanyo LC7981 14.5 MAX 16-∅1.0 2.54x15=38.1 10.9 Absolute Maximum Ratings PARAMETER SYMBOL MIN MAX UNIT SUPPLY VOLTAGE VDD-VSS -0.3 6.5 V INPUT VOLTAGE VDD-V6 0 28.0 V OPERATING TEMPERATURE TOP -20 70 °C STORAGE TEMPERATURE TSTG -30 80 °C Physical Data Module Size................................122.0W x 44.0H x 14.5T mm Viewing Area Size......................................99.0W x 24.0H mm Dot Pitch....................................................0.74W x 0.64H mm Dot Size.....................................................0.70W x 0.60H mm Weight................................................................................78g Power Supply VDD RLED Pin Connections + 5V L C M A VSS K Electrical Characteristics (VDD=5.0±0.25V 25°C) PARAMETER SYM OPERATING VOLTAGE VDD POWER FOR LCD CONDITION MIN TYP MAX UNIT PIN NO. SYMBOL 1 LEDA - LEVEL Anode for LED Backlight 2 LEDC - Cathode for LED Backlight 3 VSS 0V Ground 4 VDD 5V Power supply for logic 5 N/C No Connection 6 RS H/L Register Select 7 R/W H/L H=Read/L=Write 8 E H,H→L Enable signal 9 DB0 H/L 10 DB1 H/L 11 DB2 H/L 12 DB3 H/L 13 DB4 H/L 14 DB5 H/L 4.75 5.0 5.25 V VDD-VL VDD=5V 4.5 5.7 6.5 V INPUT HIGH VOLTAGE VIH - .8VDD - VDD V INPUT LOW VOLTAGE VIL - GND - .2VDD V POWER SUPPLY CURRENT IDD VDD=5.0V - - - mA 15 DB6 H/L POWER SUPPLY CURRENT ILCD VEE=-5.0V - - 5.0 mA 16 DB7 H/L LED SUPPLY CURRENT ILED - - - - mA - FUNCTION Data bus This is a +5v only module which has a built in inverter for the LCD voltage. Page 12