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參數資料
| 型號： | DLG7137 |
| 廠商： | SIEMENS A G |
| 元件分類： | 顯示用LED |
| 英文描述： | 43/68 Single Character DLO4135/7 5x7 Dot Matrix Intelligent Display |
| 中文描述： | 5X7 DOT MATRIX DISPLAY, GREEN, 17.3 mm |
| 文件頁數： | 3/4頁 |
| 文件大?。?/td> | 167K |
| 代理商： | DLG7137 |
2–10
DLO4135/7135/DLG4137/7137
Top View — DLO4135/DLG4137
Pin Functions — DLO4135/DLG4137
Top View — DLO7135/DLG7137
Pin Functions — DLO7135/DLG7137
Pin
Function
Pin
Function
1
LT Lamp
9
D0 Data LSB
2
WR Write
10
D1 Data
3
BL1 Brightness
11
D2 Data
4
BL0 Brightness
12
D3 Data
5
No Pin
13
D4 Data
6
No Pin
14
D5 Data
7
CE Chip Enable
15
D6 Data MSB
8
GND
16
+V
CC
Pin
Function
Pin
Function
1
V
CC
8
D0 Data Input LSB
2
LT Lamp Test
9
D1 Data
3
CE Chip Enable
10
D2 Data
4
WR Write
11
D3 Data
5
BL1 Brightness
12
D4 Data
6
BL0 Brightness
13
D5 Data
7
GND
14
D6 Data Input MSB
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Lamp Test
When the lamp test (LT) is activated, all dots on the display
are illuminated at
7
brightness. The lamp test function is
independent of write (WR) and the settings of the blanking
inputs (BL0, BL1).
1
This convenient test gives a visual indication that all dots are
functioning properly. Lamp test also may be used as a cursor
function or pointer which does not destroy previously dis-
played characters.
Dimming and Blanking the Display
Loading Data
Loading data into the display is straightforward. Chip enable
(CE) should be present and stable during a write pulse (WR).
Parallel data information should be stable for the minimum
time (T
W
) and held for TDH after write has gone high. No syn-
chronization is necessary and each character will continue to
be displayed until it is replaced with another. Multiple dis-
plays may be stacked together with only an additional
decoder IC for chip enable decoding.
Note : Either BL0 or BL1 should be held high for display to light up.
Data Loading Example
X=don’t care, NC=no change
Brightness Level
BL1
BL0
Blank
0
0
1
7
Brightness
0
1
1
2
Brightness
1
0
Full Brightness
1
1
CE WR BL0 BL1 LT
Data Input
D6 D5 D4 D3 D2 D1 D0
H X
H
X
H X
X
X
X
X
X
X
NC
X
X
L
L
H X
X
X
X
X
X
X
Blank
X
X X
X
L
X
X
X
X
X
X
X
Lamp Test
L
L
H
H
H H L
L
L
L
L
H A
L
L
H
H
H H H H L
L
H L
r
L
L
H
H
H L
H H L
L
H H 3
L
L
H
H
H L
H L
H L
H H +
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