DMF 5000
TABLE OF CONTENTS
1. OUTLINE OF LCD MODULE ..........................................................................................................4
1.1 FEATURES............................................................................................................................................4
2. SPECIFICATION ...............................................................................................................................5
2.1 MAXIMUM RATINGS .............................................................................................................................5
2.2 ELECTRICAL CHARACTERISTICS............................................................................................................6
2.3 LCD DRIVING VOLTAGE AND CONNECTION ..........................................................................................7
2.4 EL BACK LIGHT...................................................................................................................................9
2.5 CCT BACK LIGHT..............................................................................................................................10
3. INTERFACE.....................................................................................................................................11
3.1 INTERFACE CONNECTION....................................................................................................................11
3.2 BLOCK DIAGRAM ...............................................................................................................................15
3.3 SIGNAL TIMINGS ................................................................................................................................16
3.4 MEMORY ADDRESS AND DISPLAY POSITION ........................................................................................17
3.4.1 Memory Address and Display Position .......................................................................................17
3.4.2 Memory Address and Display Position .......................................................................................19
3.4.3 RAM Map...................................................................................................................................21
4. SOLDERING JUMPER SETTING..................................................................................................22
4.1 INITIAL SETTING ................................................................................................................................22
4.2 EXPLANATION OF EACH SOLDERING JUMPER .......................................................................................23
5. COMMUNICATION BETWEEN CPU AND MODULE................................................................25
5.1 DATA TRANSMISSION METHOD...........................................................................................................25
5.1.1 Status Read ................................................................................................................................26
5.2 COMMAND.........................................................................................................................................27
5.2.1 Command List ............................................................................................................................27
5.2.2 Description of Command............................................................................................................29
5.2.2.1 Pointer Set Command..............................................................................................................29
5.2.2.2 Control Word Set Command....................................................................................................30
5.2.2.3 Mode Set Command.................................................................................................................31
5.2.2.4 Display Mode Set Command....................................................................................................32
5.2.2.5 Cursor Pattern Select Command..............................................................................................33
5.2.2.6 Data Auto Write/Data Auto Read.............................................................................................33
5.2.2.7 Data Write/Data Read.............................................................................................................35
5.2.2.8 Screen Parking........................................................................................................................35
5.2.2.9 Screen Copy ............................................................................................................................37
5.2.2.10 Bit Set, Bit Reset....................................................................................................................38
5.3 INITIALIZE..........................................................................................................................................39
5.4 CHARACTER GENERATOR ...................................................................................................................40
5.4.1 Character Generator ROM.........................................................................................................40
5.4.2 User Character Generator RAM.................................................................................................41
5.5 ATTRIBUTE........................................................................................................................................43
5.5.1 Attribute Function......................................................................................................................43
