Table of Contents
Paragraph Title Page
Industrial Electronic Engineers, Inc. SIZE
ACODE IDENT NO.
05464 S03858–21–0105
Van Nuys, California Scale: NONE Rev B 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)................................................................................................................7
2.2.6 Character Generator ROM (CG ROM)..................................................................................................8
2.2.7 Character Generator RAM (CG RAM) ...................................................................................................9
2.2.8 Parallel/Serial Data Conversion Circuitry, Timing Generator Circuitry..................................................9
3.0 OPERATION...............................................................................................................................................10
3.1 Instruction Set.............................................................................................................................................10
3.2 Power Up Instructions Sequence...............................................................................................................11
3.3 Instructions Affecting the Relationship of Display Position, Cursor, and DD RAM Address......................11
3.4 Instructions Affecting Custom Characters..................................................................................................11
4.0 ELECTRICAL SPECIFICATIONS...............................................................................................................11
4.1 Absolute Maximum Rating..........................................................................................................................11
4.2 Normal Operating Rating............................................................................................................................11
4.3 Electrical Characteristics (VCC = 5V ±10%)................................................................................................11
4.4 Timing Characteristics................................................................................................................................11
4.5 Timing Sequence for 8 Bit Parallel Interface...............................................................................................11
4.6 Timing Sequence for 4 Bit Parallel Interface...............................................................................................11
4.7 Connector Pin Assignments (P1)...............................................................................................................11
5.0 ENVIRONMENTAL CHARACTERISTICS...................................................................................................11
5.1 Operating.....................................................................................................................................................11
5.2 Non–Operating............................................................................................................................................11
6.0 OPTICAL SPECIFICATIONS......................................................................................................................11
6.1 Optical Characteristics...............................................................................................................................11
6.2 Viewing Angle Adjustment...........................................................................................................................11
7.0 EL Backlighting............................................................................................................................................11
7.1 EL Backlight Description.............................................................................................................................11
7.2 Electrical Characteristics of EL Backlight...................................................................................................11
