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參數(shù)資料
| 型號： | SCE5745Q |
| 元件分類： | 顯示用LED |
| 英文描述： | 5X7 DOT MATRIX DISPLAY, ORANGE, 4.57 mm |
| 封裝： | PLASTIC, SIP-7 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大小： | 589K |
| 代理商： | SCE5745Q |
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA
SCE5740/1/2/3/4/5
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany
www.osram-os.com +49-941-202-7178
10
March 28, 2000-10
The user can select eight specic LED brightness levels (Table
4) by changing the peak current driving the LEDs. The peak cur-
rent is varied by varying the ON time of the row drivers. Note
that data line 3 is low (logic 0).
If dimming is required with ner control between 12.5% bright-
ness and 0.0% brightness, data line 3 can be set high (logic 1).
The 12.5% peak current is now the brightness reference
(100%-E8) for further dimming and as shown in Table 5 eight
levels of dimming are provided. For example the hex code EC
in Table 5 will provide a brightness level 29% lower than the
12.5% brightness level.
Table 4. Display Brightness
Table 5. Display Brightness
Op code
D7 D6 D5
Control Word
D4 D3 D2 D1 D0
Hex
Brightness
Level
1
0
E0
100%
111
000
0
1
E1
53%
111
000
1
0
E2
40%
111
000
1
E3
27%
111
001
0
E4
20%
111
001
0
1
E5
13%
1
0
1
0
E6
6.6%
1
0
1
E7
0.0%
Op code
D7 D6 D5
Control Word
D4 D3 D2 D1 D0
Hex
Brightness
Level
1
0
1
0
E8
100%
111
010
0
1
E9
53%
111
010
1
0
EA
40%
111
010
1
EB
27%
111
011
0
EC
20%
111
011
0
1
ED
13%
1
0
1
0
EE
6.6%
1
0
1
EF
0.0%
The SCE574x offers a unique Display Power Down feature which
reduces ICC to less than 50 A. When EFHEX is loaded (Table 6) the
display is set to 0% brightness. When in the Power Down mode
data may still be written into the RAM. The display is reactivated by
loading a new brightness Level Control Word into the display.
Table 6. Power Down
The Software Clear (C0HEX), given in Table 7, clears the
Address Register and the RAM. The display is blanked and the
Character Address Register will be set to Character 0. The
internal counter and the Control Word Register are unaffected.
The Software Clear will remain active until the next data input
cycle is initiated.
Table 7. Software Clear
Op code
D7 D6 D5
Control Word
D4 D3 D2 D1 D0
Hex
Operation
Level
111
011
1
EF
0%
brightness
Op code
D7 D6 D5
Control Word
D4 D3 D2 D1 D0
Hex
Operation
1
0
C0
CLEAR
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| SCE5781 | 功能描述:LED 顯示器和配件 5x7 Yellow 0.18", 8-CHARACTER RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長:628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
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