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參數(shù)資料
| 型號(hào)： | HDLX-3461 |
| 英文描述： | Four Character 6.9 mm (0.27 inch) Smart 5 x 7 Alphanumeric Displays |
| 中文描述： | 四字符6.9毫米（0.27英寸）智能5 × 7字母數(shù)字顯示器 |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大?。?/td> | 121K |
| 代理商： | HDLX-3461 |
10
strobing the blank input). All of
these blanking modes affect only
the output drivers, maintaining
the contents and write capability
of the internal RAMs and Control
Register, so that normal loading
of RAMs and Control Register can
take place even with the display
blanked.
Figure 3 shows how the Extended
Function Disable (bit D
of the
Control Register), Master Blank
(bit D
of the Control Register),
Digit Blank Disable (bit D
of the
Attribute RAM), and BL input can
be used to blank the display.
When the Extended Function
Disable is a logic 1, the display
can be blanked only with the
BL input. When the Extended
Function Disable is a logic 0, the
display can be blanked through
the BL input, the Master Blank,
and the Digit Blank Disable. The
entire display will be blanked if
either the BL input is logic 0 or
the Master Blank is logic 1, pro-
viding all Digit Blank Disable
bits are logic 0. Those digits with
Digit Blank Disable bits a logic 1
will ignore both blank signals
and remain ON. The Digit Blank
Disable bits allow individual
characters to be blanked or
flashed in synchronization with
the BL input.
Table 1. Current Requirements at Different Brightness Levels
Symbol D
5
D
4
D
3
Brightness
I
DD
(#)
0
0
0
100%
0
0
1
60%
0
1
0
40%
0
1
1
27%
1
0
0
17%
1
0
1
10%
1
1
0
7%
1
1
1
3%
25
°
C Typ.
110
66
45
30
20
12
9
4
25
°
C Max.
130
79
53
37
24
15
11
6
Max. over Temp. Units
160
98
66
46
31
20
15
9
mA
mA
mA
mA
mA
mA
mA
mA
EFD
0
MB
0
DBDn
0
BL
0
0
0
X
1
0
X
1
0
0
1
0
X
0
1
1
1
1
X
X
0
1
X
X
1
–Display Blanked by BL
–Display ON
–Display Blanked by BL.
Individual Characters “ON”
based on “1” being stored in DBDn
–Display Blanked by MB
–Display Blanked by MB.
Individual characters “ON”
based on “1” being stored in DBDn
–Display Blanked by BL
–Display ON
Dimming
Dimming of the display is con-
trolled through either the BL
input or the Control Register. A
pulse width modulated signal can
be applied to the BL input to dim
the display. A three bit word in
the Control Register generates an
internal pulse width modulated
signal to dim the display. The
internal dimming feature is
enabled only if the Extended
Function Disable is a logic 0.
Figure 3. Display Blanking Truth Table.
Bits 3–5 in the Control Register
provide internal brightness
control. These bits are interpreted
as a three bit binary code, with
code (000) corresponding to the
maximum brightness and code
(111) to the minimum brightness.
In addition to varying the display
brightness, bits 3–5 also vary the
average value of I
. I
can be
specified at any brightness level
as shown in Table 1.
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| HDLY-1414 | 功能描述:LED 顯示器和配件 Yellow 585nm 1x4 Alphanumeric 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(zhǎng):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 |
| HDLY-2416 | 功能描述:LED 顯示器和配件 Yellow 585nm 1x4 Alphanumeric 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(zhǎng):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 |
| HDLY-3416 | 功能描述:LED 顯示器和配件 Yellow 585nm 1x4 Alphanumeric 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(zhǎng):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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