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參數(shù)資料
| 型號： | HDSP-2132 |
| 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)： | 11/16頁 |
| 文件大?。?/td> | 319K |
| 代理商： | HDSP-2132 |
11
driving of eight 5 x 7 dot matrix
characters. The major user
accessible portions of the display
are listed below:
Flash RAM, a 128 character ASCII
decoder, a 16 character UDC
RAM, a UDC Address Register, a
Control Word Register, and the
refresh circuitry necessary to
synchronize the decoding and
Character Ram
Figure 2 shows the logic levels
needed to access the
HDSP-213X Character RAM.
During a normal access the CE =
"0" and either RD = "0" or WR =
"0". However, erroneous data may
be written into the Character RAM
if the Address lines are unstable
when CE = "0" regardless of the
logic levels of the RD or WR lines.
Address lines A
-A
are used to
select the location in the Charac-
ter RAM. Two types of data can
be stored in each Character RAM
location: an ASCII code or a UDC
RAM address. Data bit D
is used
to differentiate between an ASCII
character and a UDC RAM
address. D
= 0 enables the ASCII
decoder and D
= 1 enables the
UDC RAM. D
-D
are used to
input ASCII data and D
-D
are
used to input a UDC address.
Figure 2. Logic Levels to Access the Character RAM.
Character RAM
This RAM stores either ASCII character data or a UDC RAM address.
Flash RAM
This is a 1 x 8 RAM which stores Flash data.
User-Defined Character
RAM (UDC RAM)
This RAM stores the dot pattern for custom characters.
User-defined Character
Address Register
(UDC Address Register)
This register is used to provide the address to the UDC RAM when
the user is writing or reading a custom character.
Control Word Register
This register allows the user to adjust the display brightness, flash
individual characters, blink, self test or clear the display.
Display Internal Block
Diagram
Figure 1 shows the internal block
diagram of the HDSP-213X/-2179
display. The CMOS IC consists of
an 8 byte Character RAM, an 8 bit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HDSP-2133 | 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-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) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HDSP2132TXY | 制造商:Hewlett Packard Co 功能描述: |
| HDSP-2133 | 功能描述:LED 顯示器和配件 Green 574nm 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-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 |
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