LMR4234EW-WCB

LIQUID CRYSTAL DISPLAY MODULE Product Specification DENSITRON STANDARD LCD MODULE PRODUCT LM/TS 3234 LM/TS 4234 LM/TS 6234 NUMBER DEFINITION Date Display 240*128 dots 19/04/04 INTERNAL APPROVALS Quality Mgr Product Mgr Project Leader Mech. Eng Electr. Eng Date: Date: Date: Date: Date: DENSITRON TECHNOLOGIES plc. PROPRIETARY DATA ALL RIGHTS RESERVED TABLE OF CONTENTS 1 PART NUMBER DESCRIPTION FOR AVAILABLE OPTIONS....................................................................................4 2 MAIN FEATURES..................................................................................................................................................................5 3 MECHANICAL SPECIFICATION ......................................................................................................................................6 3.1 MECHANICAL CHARACTERISTICS..........................................................................................................................6 3.2 MECHANICAL DRAWING...........................................................................................................................................7 4 ELECTRICAL SPECIFICATION ........................................................................................................................................8 4.1 ABSOLUTE MAXIMUM RATINGS.............................................................................................................................8 4.2 ELECTRICAL CHARACTERISTICS............................................................................................................................8 4.3 INTERFACE PIN ASSIGNMENT .................................................................................................................................9 4.4 BLOCK DIAGRAM......................................................................................................................................................10 4.5 POWER SUPPLY CIRCUIT.........................................................................................................................................11 4.6 DISPLAY CONTROL INSTRUCTION .......................................................................................................................12 4.7 CHARACTER ROM MAP............................................................................................................................................35 4.8 TIMING CHARACTERISTICS....................................................................................................................................37 5 OPTICAL SPECIFICATION ..............................................................................................................................................38 6 TOUCH SCREEN SPECIFICATION.................................................................................................................................40 6.1 TOUCH SCREEN ELECTRICAL CHARACTERISTICS...........................................................................................40 6.2 TOUCH SCREEN MECHANICAL CHARACTERISTICS.........................................................................................40 6.3 TOUCH SCREEN MECHANICAL DRAWING..........................................................................................................41 7 BACKLIGHT SPECIFICATION........................................................................................................................................42 7.1 LED BACKLIGHT CHARACTERISTICS ..................................................................................................................42 7.1.1 WHITE EDGE STANDARD LED BACKLIGHT CHARACTERISTICS....................................................................42 7.1.2 YELLOW GREEN STANDARD LED BACKLIGHT CHARACTERISTICS...............................................................42 7.2 CCFL BACKLIGHT CHARACTERISTICS ................................................................................................................43 8 QUALITY ASSURANCE SPECIFICATION ....................................................................................................................44 8.1 CONFORMITY.............................................................................................................................................................44 8.2 DELIVERY ASSURANCE...........................................................................................................................................44 8.2.1 Delivery inspection standards...................................................................................................................................44 8.2.2 Zone definition ..........................................................................................................................................................45 8.2.3 Visual inspection.......................................................................................................................................................45 8.2.4 Standard of appearance inspection...........................................................................................................................46 9 RELIABILITY SPECIFICATION......................................................................................................................................48 10 HANDLING PRECAUTIONS .............................................................................................................................................49 Page 2 / 49 DENSITRON TECHNOLOGIES plc. PROPRIETARY DATA ALL RIGHTS RESERVED