
Table of Contents
Paragraph Title Page
Industrial Electronic Engineers, Inc. SIZE
ACODE IDENT
NO.
05464
S03858–06–0105
Van Nuys, California Scale: NONE Rev C Sheet 2
1.0 GENERAL INFORMATION...............................................................................................................5
1.1 Introduction.......................................................................................................................................5
1.2 Application........................................................................................................................................5
1.3 Description.......................................................................................................................................5
2.0 LOGICAL STRUCTURE AND FUNCTION......................................................................................6
2.1 LCD Module......................................................................................................................................6
2.1.1 Signal Description............................................................................................................................6
2.2 LCD Controller.................................................................................................................................7
2.2.1 Instruction Register (IR)...................................................................................................................7
2.2.2 Data Register (DR)..........................................................................................................................7
2.2.3 Busy Flag.........................................................................................................................................7
2.2.4 Address Counter (AC)......................................................................................................................7
2.2.5 Display Data RAM (DD RAM) ..........................................................................................................8
2.2.6 Character Generator ROM (CG ROM)............................................................................................8
2.2.7 Character Generator RAM (CG RAM)..............................................................................................8
2.2.8 Parallel/Serial Data Conversion Circuitry, Timing Generator Circuitry............................................9
3.0 OPERATION....................................................................................................................................9
3.1 Instruction Set..................................................................................................................................9
3.2 Power Up Instructions Sequence....................................................................................................9
3.3 Instructions Affecting the Relationship of Display Position, Cursor, and DD RAM Address...........9
3.4 Instructions Affecting Custom Characters.......................................................................................9
4.0 ELECTRICAL SPECIFICATIONS....................................................................................................9
4.1 Absolute Maximum Rating...............................................................................................................9
4.2 Normal Operating Rating.................................................................................................................9
4.3 Electrical Characteristics (VCC = 5V ±10%).....................................................................................9
4.4 Timing Characteristics.....................................................................................................................9
4.5 Timing Sequence for 8 Bit Parallel Interface..................................Error! Bookmark not defined.
4.6 Timing Sequence for 4 Bit Parallel Interface..................................Error! Bookmark not defined.
4.7 Connector Pin Assignments (P1)....................................................................................................9
5.0 ENVIRONMENTAL CHARACTERISTICS........................................................................................9
5.1 Operating..........................................................................................................................................9
5.2 Non–Operating.................................................................................................................................9
6.0 OPTICAL SPECIFICATIONS...........................................................................................................9
6.1 Optical Characteristics....................................................................................................................9
6.2 Viewing Angle Adjustment................................................................................................................9
7.0 EL BACKLIGHTING..........................................................................................................................9
7.1 EL Backlight Description..................................................................................................................9
7.2 Electrical Characteristics of EL Backlight........................................................................................9