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PDF LM6023A Data sheet ( Hoja de datos )
| Número de pieza | LM6023A | |
| Descripción | LCD Module | |
| Fabricantes | Shenzhen | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM6023A (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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www.DataSheet4U.com
LM6023A
LCD Module User Manual
Shenzhen TOPWAY Technology Co., Ltd.
Rev.
0.1
0.2
0.3
Descriptions
Prelimiay release
Typing Correction
Section 4.5.1 - Power Control Command, 20h Æ 2Fh
Section 3.2 - Applicable Pin, ABL Æ A
Typing Correction on BIAS setting
Release Date
2003-06-25
2004-03-26
2007-11-07
URL: www.topwaydisplay.com
www.topwaysz.com
Document Name: LM6023A-Manual-Rev0.3.DOC
Page: 1 of 13
1 page  
TOPWAY
LCD Module User Manual
LM6023A
2. Absolute Maximum Ratings
Items
Symbol
Min.
Max. Unit Condition
Supply Voltage
VDD 0
4.0 V VSS = 0V
Input Voltage
VIN 0
VDD V VSS = 0V
Operating Temperature
TOP
-20
70 °C No Condensation
Storage Temperature
TST -20
80 °C No Condensation
Cautions:
Any Stresses exceeding the Absolute Maximum Ratings may cause substantial damage to the
device. Functional operation of this device at other conditions beyond those listed in the
specification is not implied and prolonged exposure to extreme conditions may affect device
reliability.
www.DataSheet34U..coEm lectrical Characteristics
3.1 DC Characteristics
Items
Operating Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Operating Current
Sleep Mode Current
Symbol
VDD
VIH
VIL
VOH
VOL
IDD
IDDS
MIN.
2.8
0.9xVDD
0
0.7xVDD
0
-
-
TYP
.
3.0
-
-
-
-
0.4
-
3.2 LED Backlight Circuit Characteristics
MAX.
3.2
VDD
0.1xVDD
VDD
0.3xVDD
1.5
2
Items
Forward Voltage
Forward Current
Symbol
VfA
IfA
MIN.
-
-
TYP.
3.7
-
MAX.
-
120
VSS=0V, VDD=3.0V, TOP=25°C
Unit Condition /
Application Pin
V VDD
V /RES,P/S,/CS1,CS2,C86,
V A0,/WR,/RD,D0~D7
V IOH=-0.3mA, D0~D7
V IOL=0.3mA, D0~D7
mA VDD, VSS
µA VDD, VSS
VK=0V, IfA=80mA, TOP=25°C
Unit Applicable Pin
VA
mA A
A
K
URL: www.topwaydisplay.com
www.topwaysz.com
Document Name: LM6023A-Manual-Rev0.3.DOC
Page: 5 of 13
5 Page 
TOPWAY
LCD Module User Manual
LM6023A
4.5 Basic Operating Sequence (example)
4.5.1 Initialization Sequence
Code Function
Turn on Power Supply VDD & VSS
While maintaining /RES at LOW
- --------
↓
Wait until power supply is stabilized
- --------
↓
w w w . D aRetleaaseStheh /ReESe Rtes4et USig.nacl o m - - - - - - - - -
(/RES = HIGH)
↓
LCD bias = 1/8
↓
0 10100010
ADC = normal
↓
0 10100000
Output Status Register=normal
↓
0 11000000
Init Display Line=0
0 01000000
↓
Electronic Control Register=10000b
0 10010000
↓
Power Control
LCD voltage follower = on
LCD voltage regulator = on
LCD voltage booster = on
↓
Display ON/OFF = ON
↓
Set Page Address = 0
↓
Set Column Address = 0
↓
Write Display Data
0 00101111
0 10101111
0 10110000
0 00010000
0 00000000
1 Display Data
↓
Write Other Display Data …
hex
-
-
-
A2
A0h
C0h
40h
90h
2Fh
AFh
B0h
10h
00h
Note
-
-
See AC Characteristics section
for timing details
LCD panel Characteristic
No flip on x-direction (SEG)
No flip on y-direction (COM)
i.e. Display RAM “page 0 - D0”
Matched to top line of the LCD
Set to the middle of the range
It may be adjusted for achieving
the best display contrast
Turn on all the internal power
circuit for driving the LCD
normally
Turn on the LCD display
Specify the Display Data RAM
page address going to write = 0
Specify the Display Data RAM
column address going to write =
0 (two command)
Write data to Display Data RAM.
After write, the internal Column
Address Counter will be
increased by 1 automatically
URL: www.topwaydisplay.com
www.topwaysz.com
Document Name: LM6023A-Manual-Rev0.3.DOC
Page: 11 of 13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet LM6023A.PDF ] | |
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