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參數(shù)資料
| 型號(hào)： | LG128645 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | LG128645 128 x 64 dots |
| 中文描述： | LG128645 128 × 64點(diǎn) |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大小： | 31K |
| 代理商： | LG128645 |
MECHANICAL DATA
ABSOLUTE MAXIMUM RATINGS
32 SEG
128 x 32 dots
ST7921
ST7921
128 x 32 dots
=5V
a
0.25V )
DD
SS
RS(CS)
R/W(SID)
E(SCLK)
PS
/RST
DB7
DB0
LEDA
LEDK
V
V
Control Signals
LED B/L
ST7920
LCD
Controller
LSI
32 COM
64 SEG
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Supply Current
LCD Driving Voltage
Item
Supply Voltage(LCD)
Input Voltage
Storage Temp.
Operating Temp.
Supply Voltage(Logic)
Item
BLOCK DIAGRAM
ELECTRICAL CHARACTERISTICS
V
IH
V
--
--
0.7V
DD
- 0.3
0.8V
DD
Control Signals
V
OL
I
- V
DD
V
O
SS
IL
OH
V
= - 0.1mA
= 0.1mA
= 5.0V
Ta=25
OL
V
I
DD
C
OH
I
0
--
--
SS
SS
Symbol
Symbol
T
stg
V
I
V
T
opr
- V
O
V
- V
DD
-20
-30
( V
Test
Condition
DD
Min.
-0.3
-0.3
-0.3
Min.
H/L
H/L
DB6
DB7
13
14
LED BACKLIGHT SPECIFICATIONS (Ta=25
20
19
18
17
16
15
96 SEG
64 SEG
+5V
0V
LEDA
LEDK
NC
/RST
NC
PSB
--
L
--
H/L
Reset signal, active "L"
No connection
H: Parallel mode L: Serial mode
No Connection
C)
--
--
V
DD
0.6
V
V
0V
+5V
SS
V
V
DD
1
2
12
11
10
9
8
7
6
5
4
3
--
0.4
5.0
6.5
3.0
--
--
V
DD
V
mA
V
V
H/L
H/L
DB0
DB1
DB3
DB4
DB5
DB2
H/L
H/L
H/L
H/L
RS
R/W
E
NC
H/L
H/L_L
--
Pin
Weight (Reflective/LED)
Dot Size ( W x H )
Dot Pitch ( W x H )
Viewing Area ( W x H )
Module Size ( W x H x T )
PIN CONNECTIONS
Max.
Typ.
80
Unit
C
70
+ 0.3
DD
V
7.0
5.5
Max.
V
C
V
Unit
V
Symbol
Level
Item
GND
Power supply for logic
No connection
H : Data
H : Read
L : Instruction code
L : Write
Data bus line
Enable signal
Approx. 55/75
Function
93.0 x 70.0 x 10.0/13.5
72.0 x 39.0
Nominal Dimensions
0.48 x 0.48
0.52 x 0.52
g
mm
mm
mm
mm
Unit
LG128645
128 x 64 dots
Power supply for LED backlight
32 COM
Forward Current
Emission Wave Length
Forward Voltage
Item
I
f
λ
p
V
Symbol
f
Unit
V
mA
nm
--
--
300
568
Typ.
4.1
Max.
4.3
Built in 8192 Chinese Fonts
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