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參數(shù)資料
| 型號： | HDSP-2133 |
| 英文描述： | Eight Character 5.0 mm (0.2 inch) Glass/Ceramic Intelligent 5 x 7 Alphanumeric Displays for Military Applications(軍用的八字符5.0 mm (0.2英寸)玻璃/陶瓷智能 5 x 7文字?jǐn)?shù)字顯示器) |
| 中文描述： | 八字5.0毫米（0.2英寸）玻璃/陶瓷智能5 × 7的軍事應(yīng)用字母數(shù)字顯示器（軍用的八字符5.0毫米（0.2英寸）玻璃/陶瓷智能5 × 7文字?jǐn)?shù)字顯示器） |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 319K |
| 代理商： | HDSP-2133 |
13
Control Word Register
Figure 6 shows how to access the
Control Word Register. This is an
eight bit register which performs
five functions. They are Bright-
ness control, Flash RAM control,
Blinking, Self Test and Clear.
Each function is independent of
the others. However, all bits are
updated during each Control
Word write cycle.
Brightness (Bits 0-2)
Bits 0-2 of the Control Word
adjust the brightness of the
display. Bits 0-2 are interpreted
as a three bit binary code with
code (000) corresponding to
maximum brightness and code
(111) corresponding to a blanked
display. In addition to varying the
display brightness, bits 0-2 also
vary the average value of I
DD
. I
DD
can be calculated at any brightness
level by multiplying the percent
bright-ness level by the value of
I
DD
at the 100% brightness level.
These values of I
DD
are shown in
Table 2.
Flash Function (Bit 3)
Bit 3 determines whether the
flashing character attribute is on
or off. When bit 3 is a “1,” the
output of the Flash RAM is
checked. If the content of a
location in the Flash RAM is a “1,”
the associated digit will flash at
approximately 2 Hz. For an
external clock, the blink rate can
be calculated by driving the clock
frequency by 28,672. If the flash
enable bit of the Control Word is
a “0,” the content of the Flash
RAM is ignored. To use this
function with multiple display
systems see the Reset section.
Blink Function (Bit 4)
Bit 4 of the Control Word is used
to synchronize blinking of all
eight digits of the display. When
this bit is a “1” all eight digits of
the display will blink at approxi-
mately 2 Hz. The actual rate is
dependent on the clock frequency.
For an external clock, the blink
rate can be calculated by dividing
the clock frequency by 28,672.
This function will override the
Flash function when it is active.
To use this function with multiple
display systems see the Reset
section.
Figure 5. Logic Levels to Access the Flash RAM.
Table 2. Current Requirements at
Different Brightness Levels
%
25
°
C
Typical
Symbol
D
2
0
0
0
0
1
1
1
D
1
0
0
1
1
0
0
1
D
0
0
1
0
1
0
1
0
Brightness
Units
I
DD
(V)
100
80
53
40
27
20
13
200
160
106
80
54
40
26
mA
mA
mA
mA
mA
mA
mA
Figure 6. Logic Levels to Access the Control
Word Register
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HDSP-2179 | Eight Character 5.0 mm (0.2 inch) Glass/Ceramic Intelligent 5 x 7 Alphanumeric Displays for Military Applications(軍用的八字符5.0 mm (0.2英寸)玻璃/陶瓷智能 5 x 7文字?jǐn)?shù)字顯示器) |
| HDSP-2301 | Four Character 5.0 mm (0.20 inch) 5 x 7 Alphanumeric Displays(四字符5.0 mm (0.20英寸) 5 x 7數(shù)字文字顯示器) |
| HDSP-2302 | Four Character 5.0 mm (0.20 inch) 5 x 7 Alphanumeric Displays(四字符5.0 mm (0.20英寸) 5 x 7數(shù)字文字顯示器) |
| HDSP-2303 | Four Character 5.0 mm (0.20 inch) 5 x 7 Alphanumeric Displays(四字符5.0 mm (0.20英寸) 5 x 7數(shù)字文字顯示器) |
| HDSP-2351 | Extended Temperature Four Character 5.0 mm (0.20 Inch) 5 x 7 Alphanumeric Display for Sunlight Viewable Applications(應(yīng)用于日光觀察的擴(kuò)展溫度四字符5.0 mm (0.20 英寸) 5 x 7 文字?jǐn)?shù)字顯示器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HDSP-2133-JK000 | 制造商:Avago Technologies 功能描述:5X7 SMARTDISP HIREL 8CHAR .2IN GRN |
| HDSP-2179 | 功能描述:LED 顯示器和配件 Orange 602nm 5x7 Smart Display 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 |
| HDSP-2312TXV | 制造商:Hewlett Packard Co 功能描述:5 X 7 Dot Matrix Led Display, 4-character, Red, Dip |
| HDSP-2500 | 功能描述:LED 顯示器和配件 Orange 602nm 5x7 Smart Display 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 |
| HDSP-2501 | 功能描述:LED 顯示器和配件 Yellow 585nm 5x7 Smart Display 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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