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LG128642-SFDYH6V Schematic ( PDF Datasheet ) - ETC

Teilenummer LG128642-SFDYH6V
Beschreibung LCD Module
Hersteller ETC
Logo ETC Logo 




Gesamt 20 Seiten
LG128642-SFDYH6V Datasheet, Funktion
LCD Module Specification
Model: LG128642-SFDYH6V
Table of Contents
COVER & CONTENTS ······················· 1
BASIC SPECIFICATIONS ····················· 2
ABSOLUTE MAXIMUM RATINGS ················· 3
ELECTRICAL CHARACTERISTICS ··············· 4
OPERATING PRINCIPLES & METHODES ··········· 7
DISPLAY CONTROL INSTRUCTIONS ············· 10
DISPLAY DATA RAM ADDRESS MAP ············· 13
CONNECTION WITH 8051 FAMILY MPU ············ 14
ELECTROOPTICAL CHARACTERISTICS ·········· 15
DIMENSIONAL OUTLINE ····················· 17
LCD MODULE NUMBERING SYSTEM ············· 18
PRECAUTIONS FOR USE OF LCD MODULE ········· 19
Free Datasheet http:






LG128642-SFDYH6V Datasheet, Funktion
3.3 LED Backlight Characteristics (Ta=25)
LG128642-SFDYH6V
-6-
Item
Symbol Condition
Forward Voltage
Vf
Forward Current
Peak Wave Length
If Vf=4.1V
λp If=120mA
Min.
3.9
--
--
Typ.
4.1
120
568
Max.
4.3
--
--
Unit
V
mA
nm
3.4 Power Supply
+5V
VR
20 k
+5V
VDD
VSS
VO
VOUT
LEDA
LEDK
Note: 5V voltage for the LED backlight should be supplied to Pin19 (LEDA) and Pin20
(LEDK) terminal of the interface, it should not be supplied to the Anode/Cathode terminal
of the LED backlight directly.
Free Datasheet http://www.datasheet4u.com/

6 Page









LG128642-SFDYH6V pdf, datenblatt
LG128642-SFDYH6V
- 12 -
5.5 Status Read
RS R/W DB7 DB6 DB5
DB4 DB3 DB2 DB1 DB0
0
1 BUSY 0 ON/OFF RESET 0
0
0
0
BUSY
When BUSY is 1, the chip is executing internal operation and no instructions are
accepted.
When BUSY is 0, the chip is ready to accept any instructions.
ON/OFF
When ON/OFF is 1, the display is off.
When ON/OFF is 0, the display is on.
RESET
When RESET is 1, the system is being initialized.
In this condition, no instructions except status read can be accepted.
When RESET is 0, initializing has finished and the system is in the normal operation
condition.
5.6 Write Display Data
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1 0 D7 D6 D5 D4 D3 D2 D1 D0
Write data (D0~D7) into the display data RAM.
After writing instruction, Y address is increased by 1 automatically.
5.7 Read Display Data
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
1 1 D7 D6 D5 D4 D3 D2 D1 D0
Read data (D0~D7) from the display data RAM.
After reading instruction, Y address is increased by 1 automatically.
One time of dummy read must be required after column address setting.
Free Datasheet http://www.datasheet4u.com/

12 Page





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