OPTREX CORPORATION DMF 5000 series Manuale utente
DMF 5000 SERIES
USERS MANUAL
OCTOBER 1996
OPTREX CORPORATION
Apollo Display Technologies Inc.
194-22 Morris Ave. Holtsville NY 11742
Phone: (516) 654-1143 Fax: (516) 654-1496
www.apollodisplays.com
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
5.5.2 Procedure of setting attribute.....................................................................................................44
6. APPLICATION CIRCUITS .............................................................................................................45
6.1 MODULE LOCATED IN THE MEMORY AREA OF CPU .............................................................................45
6.2 MODULE LOCATED IN THE I/O AREA OF CPU ......................................................................................46
6.3 INTERFACE CIRCUIT WITH PPI LSI......................................................................................................47
7. INSTALLATION..............................................................................................................................48
8. CAUTIONS AND HANDLING PRECAUTIONS............................................................................48
8.1 HANDLING .........................................................................................................................................48
8.2 STORAGE ...........................................................................................................................................48
8.3 OPERATION........................................................................................................................................48
8.4 OTHERS .............................................................................................................................................48
9. PROGRAM EXAMPLE...................................................................................................................49
1. Outline of LCD Module
The DMF 5000 series dot matrix graphic LCD modules include an LCD controller, a display RAM, a
character generator ROM, and drive circuits. These modules are suitable for copiers, facsimiles, PBXs,
marine instruments, and messaging displays for various instruments.
1.1 Features
1. Excellent readability and high contrast ratio.
2. bit parallel bus interface.
3. Built-in LCD controller T6963C and display RAM (8K byte).
4. Large graphic display.
5. Various attribute functions.
6. Built-in 128 word character generator ROM, and 256 word (max.) character generator RAM.
7. Wide operating temperature range.
8. Compact and easily mountable on any equipment.
2. Specification
2.1 Maximum Ratings
Item Symbol Min. Max. Unit Notes
Supply Voltage
(Logic) Vcc-Vss -0.3 7V
Supply Voltage Vcc-Vee Vcc +0.3 28 V
(LCD Drive) Vcc-Vadj 0 28 V
Input Voltage Vi -0.3 Vcc +0.3 V
Topr 0+50 °C
Operating
Temperature Topr +10 +40 °CCCT
Backlight
Type
Storage
Temperature Tstg -20 +60 °C
Make sure not to exceed above maximum rating values under the worst probable conditions.
2.2 Electrical Characteristics
Standard Value
Item Symbol Condition Min. Typ. Max. Unit
Supply
Voltage
(Logic) Vcc-Vss Ta = 25°C 4.75 55.25 V
Supply
Voltage Vcc-Vee Ta = 25°C 10 28 V
(LCD Drive) Vcc-Vadj Ta = 25°C 8 26 V
Supply Icc Ta = 25°C 10 20 mA
Current Iee Ta = 25°C 4 8 mA
Input
Voltage
“H” Level ViH Ta = 25°C Vcc-2.2 Vcc V
Input
Voltage
“L” Level ViL Ta = 25°C 00.8 V
2.3 LCD Driving Voltage and Connection
The LCD Panel is driven by the voltage Vcc-Vee or Vcc-Vadj. Adjustable Vee or Vadj is required for
contrast control and temperature compensation. Table 2.1 is a recommended power supply voltage for the
LCD drive (Vcc-Vee or Vcc-Vadj).
Table 2.1
Temp.
Model 0 °C10 °C25 °C40 °C50 °CNote
DMF5001N Series
(Vcc-Vadj) 23.2V 20.3V 18.3V 1/128 Duty
DMF5002N Series
(Vcc-Vadj) 22.4V 19.7V 17.6V 1/112 Duty
DMF5003N Series
(Vcc-Vadj) 19.6V 18.4V 17.4V 1/128 Duty
CCT Backlight
DMF5005N Series
(Vcc-Vee) 14.8V 13.6V 12.3V 1/64 Duty
DMF5010N Series
(Vcc-Vee) 14.4V 13.6V 12.8V 1/64 Duty
CCT Backlight
Consult your local Optrex representative to obtain detailed specifications for each module part number.
Example of power Supply Connection:
+5V
GND
R
VR Tr
-12V
+5V
GND
R
VR
-21V
Note: R: 5KΩ- 10KΩ
VR: 10KΩ- 20KΩ
Tr: 2SA, 1162Y etc.
Vcc DMF5005N
DMF5010N
Vss Series
Vee
Vcc
DMF5001N
Vss DMF5002N
DMF5003N
Series
Vadj
Vee
2.4 EL Back Light
Recommended Inverter and Connection
+5VDC IN OUT DMF5001N
DMF5002N
NEL-D32-49 DMF5005N
GND GND (NEC) GND SERIES
NEL-D32-49 Specification
IN GND
OUT
Bottom View
Maximum Ratings
Input Voltage 6VDC
Load (Lamp Surface Area) 95 cm2
Storage Temperature -20 - 70°C
Operating Temperature -10 - 55°C
Acceptable Operating Range
Input Voltage 3-5.5VDC
Load (Lamp Surface Area) 50-83 cm2
2.5 CCT Back Light
Recommended Inverter and Connection
+24VDC VIN OUT 1 DMF5003N
DMF5010N
CXA-1301
(TDK) OUT 2
GND GND SERIES
OUT
GND
CXA-1301 Specification
VIN OUT 1
OUT 2
GND OUT GND
Bottom View
Maximum Ratings
Input Voltage 26.4VDC
Output Power Consumption 5W
Storage Temperature -20 - 75 °C
Operating Temperature 0 - 50 °C
Acceptable Operating Range
Input Voltage 24±1.2VDC
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