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參數(shù)資料
| 型號： | SCD5584A |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 8-Character 5 x 5 Dot Matrix Serial Input Dot Addressable Intelligent Display |
| 中文描述： | 8個(gè)字符的5 × 5點(diǎn)陣串行輸入點(diǎn)可尋址智能顯示 |
| 文件頁數(shù)： | 6/15頁 |
| 文件大?。?/td> | 437K |
| 代理商： | SCD5584A |
2000 In
fi
neon Technologies Corp.
Optoelectronics Division
San Jose, CA
www.in
fi
neon.com/opto
1-888-In
fi
neon (1-888-463-4636)
OSRAM Opto Semiconductors GmbH & Co. OHG
Regensburg, Germany
www.osram-os.com
+49-941-202-7178
SCD5580/1/2/3/4 A
6
March 23, 2000-18
Display Column and Row Format
Column Data Ranges
Figure 7. SCD558X Block Diagram
C0
C1
C2
C3
C4
Row 0
1
1
1
1
1
Row 1
0
0
1
0
0
Row 2
0
0
1
0
0
Row 3
0
0
1
0
0
Row 4
0
0
1
0
0
Row 0
00H to 1FH
Row 1
20H to 3FH
Row 2
40H to 5FH
Row 3
60H to 7FH
Row 4
80H to 9FH
0 1 2 3 4 5 6 7
ROW CONTROL LOGIC
& ROW DRIVERS
+5
Counter
+64
Counter
OSC.
USER RAM
MEMORY
X adress Deode
4 Bit Address Register
4 Bit Control Word Reg.
Control Word Logio
C
F
Y
8
COL 0-19
ROW
0-4
(DIGIT 0-3)
MUX
Rate
I.C. #2
COL 0-19
(DIGITS 4-7)
ROW 0-4
(DIGITS 4-7)
RST
CLK i/O
CLKSEL
DATA
SDCLK
LOAD
I.C. #1
DISPLAY
Operation of the SCD558XA
The display consists of 2 CMOS ICs containing control logic
and drivers for eight 5 x 5 characters. These components are
assembled in a compact (38 mm x 10 mm) plastic package.
Individual LED dot addressablity allows the user great freedom
in creating special characters or mini-icons. The User Definable
Character Set Examples illustrate 200 different character and
symbol possibilities.
The use of a serial data interface provides a highly efficient
interconnection between the display and the mother board.
The SCD558XA requires only 4 lines as compared to 15 for an
equivalent 8 character parallel input part.
The on-board CMOS ICs are the electronic heart of the display.
The IC accepts decoded serial data, which is stored in the inter-
nal RAM. Asynchronously the RAM is read by the character
multiplexer at a strobe rate that results in a flicker free display.
Figure 7 shows the three functional areas of the ICs. These
include: the input serial data register and control logic, a 200
bits two port RAM, and an internal multiplexer/display driver.
1=Display dot “On”
0=Display dot “Off’
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