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PDF LM2029 Data sheet ( Hoja de datos )
| Número de pieza | LM2029 | |
| Descripción | LCD Module | |
| Fabricantes | Shenzhen | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM2029 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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LM2029
LCD Module User Manual
Shenzhen TOPWAY Technology Co., Ltd.
Rev.
0.1
0.2
0.3
Descriptions
New release
Typing Correction in 3.1 DC Characteristics
Typing Correction in 1.4 Terminal Function
URL: www.topwaydisplay.com
www.topwaysz.com
Release Date
2006-06-22
2006-09-28
2008-02-18
Document Name: LM2029-Manual-Rev0.3
Page: 1 of 12
1 page  
TOPWAY
LCD Module User Manual
LM2029
2. Absolute Maximum Ratings
Items
Symbol
Min.
Max. Unit Condition
Supply Voltage
Input Voltage
VDD
0
+6.0
V VSS = 0V
VIN
VSS-0.3 VDD+0.3
V VSS = 0V
Operating Temperature
TOP
0 +50 °C No Condensation
Storage Temperature
Cautions:
TST
-20 +70 °C No Condensation
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.
3. Electrical Characteristics
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3.1 DC Characteristics
Items
Operating Voltage
Input High Voltage
Input Low Voltage
LCD Contrast
Reference Voltage
Operating Current
Symbol
VDD
VIN
VIN
V0
IDD
MIN.
4.5
0.6xVDD
VSS
-
-
TYP.
5.0
-
-
-18.5
30.0
MAX.
5.5
VDD
0.15xVDD
-
90.0
VSS=0V, VDD=5.0V, TOP=25°C
Unit Applicable Pin
V VDD
V
DB0~DB7, /WR, /RD, /CS,
A0, /RES
V
DB0~DB7, /WR, /RD, /CS,
A0, /RES
V V0
mA VDD
Items
Operating Voltage
Input High Voltage
Input Low Voltage
LCD Contrast
Reference Voltage
Operating Current
Symbol
VDD
VIN
VIN
V0
IDD
MIN.
3.0
0.6xVDD
VSS
-
-
TYP.
3.3
-
-
-20.2
35.0
MAX.
3.6
VDD
0.15xVDD
-
120.0
VSS=0V, VDD=3.3V, TOP=25°C
Unit Applicable Pin
V VDD
V
DB0~DB7, /WR, /RD, /CS,
A0, /RES
V
DB0~DB7, /WR, /RD, /CS,
A0, /RES
V V0
mA VDD
3.2 LED Backlight Circuit Characteristics
Items
Symbol MIN.
TYP.
MAX.
BLK=0V, IfBLA=300mA, TOP =25°C
Unit Applicable Pin
Forward Voltage
Forward Current
Cautions:
VfBLA
IfBLA
- 3.55 -
V BLA
- 300 360 mA BLA
Exceeding the recommended driving current could cause substantial damage to the backlight and shorten its lifetime.
BLA
BLK No. of LED = 18pcs
URL: www.topwaydisplay.com
www.topwaysz.com
Document Name: LM2029-Manual-Rev0.3
Page: 5 of 12
5 Page 
TOPWAY
LCD Module User Manual
4.6 Initialization Setting Example
The following setting should be issue to LCD module after hardware reset.
(It is an example only; it could be adjusted if necessary.)
Command
SYSTEM
SET
Parameter
-
P1
1
0
1
1
0
0
Value
(binary)
0100 0000
0011 0000
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P2 0 1 0
1000 0111
P3 0 1 0
P4 0 1 0
P5 0 1 0
P6 0 1 0
P7 0 1 0
P8 0 1 0
0000 0000
0010 1000
0100 0101
1110 1111
0010 1000
0000 0000
DISP
- 11 0
ON/OFF P1 0 1 0
0101 1001
0000 0100
SCROLL - 1 1 0
P1 0 1 0
P2 0 1 0
P3 0 1 0
P4 0 1 0
P5 0 1 0
P6 0 1 0
P7 0 1 0
P8 0 1 0
0100 0100
0000 0000
0000 0000
1110 1111
0000 0000
0000 0000
1110 1111
0000 0000
0000 0000
CSRDIR
-
11 0
0100 1100
HDOT SCR
-
P1
11
01
0
0
0101 1010
0000 0000
OVLAY
- 11 0
P1 0 1 0
0101 1011
0000 1101
CSRW
- 11 0
P1 0 1 0
P2 0 1 0
MWRITE - 1 1 0
0100 0110
0000 0000
0000 0000
0100 0010
P1 0 1 0
Memory Data
: :: :
:
Pn 0 1 0
Memory Data
Note:
For details please refer to SED1335 datasheet.
HEX
40
30
87
00
28
45
EF
28
00
59
04
44
00
00
EF
00
00
EF
00
00
4C
5A
00
5B
0D
46
00
00
42
**
**
**
Descriptions
Init device and display,
(with 8 parameters)
M0=0: internal CG ROM
M0=1: external CG ROM
M1=0: no D6 correction
M1=1: D6 correction
M2=0: 8-pixel char height
M2=1: 16-pixel char height
W/S=0: single panel drive
W/S=1: dual panel drive
IV=0: Screen top-line correction
IV=1: No screen top-line correction
FX: define the horizontal char size
WF=0: 16-line AC drive
WF=1: two frame AC drive
FY: Vertical Char Size
C/R: display line address range
TC/R: Line length selection
L/F: Frame Height selection
APL: Horizontal address range (low byte)
APH: Horizontal address range (high byte)
Enable
Set cursor type (with 10 parameters)
SAD 1L
SAD 1H
SL1
SAD 2L
SAD 2H
SL2
SAD3L
SAD3H
Set Direction of Cursor movement
Set horizontal scroll position (with 1 parameters)
Set display overlay format (with 1 parameters)
Set cursor address (with 2 parameters)
CSRL
CSRH
Write to display memory (with n parameters)
Display memory data
LM2029
URL: www.topwaydisplay.com
www.topwaysz.com
Document Name: LM2029-Manual-Rev0.3
Page: 11 of 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LM2029.PDF ] | |
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