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参数资料
| 型号： | HDLG-3416 |
| 厂商： | AGILENT TECHNOLOGIES INC |
| 元件分类： | 显示用LED |
| 英文描述： | 5X7 DOT MATRIX DISPLAY, GREEN, 6.9 mm |
| 封装： | DIP-22 |
| 文件页数： | 12/12页 |
| 文件大小： | 279K |
| 代理商： | HDLG-3416 |
9
Display Clear
Data stored in the Character
RAM, Control Register, and
Attribute RAM will be cleared if
the clear (CLR) is held low for a
minimum of 10
s. Note that the
display will be cleared regardless
of the state of the chip enables
(CE
1
, CE
2
). After the display is
cleared, the ASCII code for a
space (20hex) is loaded into all
character RAM locations and
00hex is loaded into all Attribute
RAM/Control Register memory
locations.
Data Entry
Figure 2 shows a truth table for
the HDLX-3416 display. Setting
the chip enables (CE
1
, CE
2
) to
logic 0 and the cursor select (CU)
to logic 1 will enable ASCII data
loading. When cursor select (CU)
is set to logic 0, data will be
loaded into the Control Register
and Attribute RAM. Address
inputs A
0
-A
1
are used to select the
digit location in the display. Data
inputs D
0
-D
6
are used to load
information into the display. Data
will be latched into the display on
the rising edge of the WR signal.
D
0
-D
6
, A
0
-A
1
, CE
1
, CE
2
, and CU
must be held stable during the
write cycle to ensure that correct
data is stored into the display.
Data can be loaded into the
display in any order. Note that
when A
0
and A
1
are logic 0, data
is stored in the right most display
location.
Cursor
When cursor enable (CUE) is a
logic 1, a cursor will be displayed
in all digit locations where a logic
1 has been stored in the Digit
Cursor memory in the Attribute
RAM. The cursor consists of all
35 dots ON at half brightness. A
flashing cursor can be displayed
by pulsing CUE. When CUE is a
logic 0, the ASCII data stored in
the Character RAM will be dis-
played regardless of the Digit
Cursor bits.
Blanking
Blanking of the display is con-
trolled through the BL input, the
Control Register, and Attribute
RAM. The user can achieve a
variety of functions by using these
controls in different combinations,
such as full hardware display
blank, software blank, blanking of
individual characters, and syn-
chronized flashing of individual
characters or entire display (by
CUE
BL
CLR
CE1
CE2
WR
CU
A1
A0
D6
D5
D4
D3
D2
D1
D0
Function
01
1
Display ASCII
11
1
Display Stored Cursor
XX
0
X
XXX
XX
XXX
X
Reset RAMs
X0
1
Blank Display but do not reset
RAMs and Control Register
Extended
Intensity
Master
Digit
Write to Attribute RAM
0
Functions
Control
Blank
Cursor
and Control Register
Disable
Disable 0
0
0 =
000 = 100%
0 =
Digit
DBDn = 0, Allows Digit n to be
0
1
Enable
001 = 060%
Display
Blank
Cursor
blanked
D1-D5
010 = 040%
ON
Disable 1
1
011 = 027%
DBDn = 1 Prevents Digit n
X
1
0
1 =
100 = 017%
1 =
Digit
from being blanked.
0
1
0
Disable
101 = 010%
Display
Blank
Cursor
D1-D5
110 = 007%
Blanked
Disable 2
2
DCn = 0 Removes cursor from
111 = 003%
Digit n
D0
Digit
0
1
Always
Blank
Cursor
DCn = 1 Stores cursor at
Enabled
Disable 3
3
Digit n
1
0
Digit 0 ASCII Data (Right Most Character)
X
1
0
1
0
1
Digit 1 ASCII Data
Write to Character RAM
1
0
Digit 2 ASCII Data
1
Digit 3 ASCII Data (Left Most Character)
1X
X
1
X
1
X
No Change
XX
1
0 = Logic 0; 1 = Logic 1; X = Do Not Care
Figure 2. Display Truth Table.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HDLH00201 | 制造商:SHIELD 制造商全称:SHIELD s.r.l. 功能描述:7/8 with cable, straight |
| HDLH00309 | 制造商:SHIELD 制造商全称:SHIELD s.r.l. 功能描述:7/8 with cable, straight |
| HDLH00339 | 制造商:SHIELD 制造商全称:SHIELD s.r.l. 功能描述:7/8 with cable, straight |
| HDLH00407 | 制造商:SHIELD 制造商全称:SHIELD s.r.l. 功能描述:7/8 with cable, straight |
| HDLH00437 | 制造商:SHIELD 制造商全称:SHIELD s.r.l. 功能描述:7/8 with cable, straight |
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