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參數(shù)資料
| 型號： | SCE5782 |
| 元件分類： | 顯示用LED |
| 英文描述： | 5X7 DOT MATRIX DISPLAY, HIGH EFFICIENCY RED, 4.57 mm |
| 封裝： | PLASTIC, DIP-26 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 856K |
| 代理商： | SCE5782 |
SCE5780
2006-01-23
12
ized, anti-reflective, band-pass filters. The circular polarizing fur-
ther enhances contrast by reducing the light that travels through
the filter and reflects back off the display to less than 1.0%.
Several filter manufacturers supply quality filter materials. Some of
them are: Panelgraphic Corporation, W. Caldwell, NJ; SGL Homa-
lite, Wilmington, DE; 3M Company, Visual Products Division, St.
Paul, MN; Polaroid Corporation, St. Paul, MN; Polaroid Corpora-
tion, Polarizer Division, Cambridge, MA; Marks Polarized Corpora-
tion, Deer Park, NY, Hoya Optics, Inc., Fremont, CA.
One last note on mounting filters: recessing displays and bezel
assemblies is an inexpensive way to provide a shading effect in
overhead lighting situations. Several Bezel manufacturers are:
R.M.F. Products, Batavia, IL; Nobex Components, Griffith Plastic
Corp., Burlingame, CA; Photo Chemical Products of California,
Santa Monica, CA; I.E.E.-Atlas, Van Nuys, CA.
Microprocessor Interface
The microprocessor interface is through the serial port, SPI port or
one out of eight data bits on the eight bit parallel port and also con-
trol lines SDCLK and LOAD.
Power Up Sequence
Upon power up display will come on at random. Thus the display
should be reset at power-up. The reset will set the Address Regis-
ter to Digit 0, User RAM is set to 0 (display blank) the Control Word
is set to 0 (100% brightness) and the internal counters are reset.
Loading Data into the Display
Use following procedure to load data into the display:
1.
Power up the display.
2.
Bring RST low (600 ns duration minimum) to clear the Multi-
plex Counter, Address Register, Control Word Register, User
Ram and Data Register. The display will be blank. Display
brightness is set to 100%.
3.
If a different brightness is desired, load the proper brightness
opcode into the Control Word Register.
4.
Load the Digit Address into the display.
5.
Load display row and column data for the selected digit.
6.
Repeat steps 4 and 5 for all digits.
Data Contents for the Word ABCDEFGH“
Step
D7 D6 D5
D4
D3
D2
D1
D0
Function
A
B
1
0
1
00
0
00
0
CLEAR
100% BRIGHT-
NESS
1
2
3
4
5
6
7
8
1
0
1
0
00
0
00
1
0
01
0
1
0
10
0
1
11
1
10
0
1
10
0
1
10
0
1
DIGIT D0 SELECT
ROW 0 (A)
ROW 1 (A)
ROW 2 (A)
ROW 3 (A)
ROW 4 (A)
ROW 5 (A)
ROW 6 (A)
9
10
11
12
13
14
15
16
1
0
1
0
00
0
1
11
1
10
0
1
10
0
1
11
1
0
10
0
1
10
0
1
11
1
DIGIT D1 SELECT
ROW 0 (B)
ROW 1 (B)
ROW 2 (B)
ROW 3 (B)
ROW 4 (B)
ROW 5 (B)
ROW 6 (B)
17
18
19
20
21
22
23
24
1
0
1
0
00
01
0
00
11
1
01
00
0
10
00
0
10
00
0
10
00
0
01
00
0
00
11
1
DIGIT D2 SELECT
ROW 0 (C)
ROW 1 (C)
ROW 2 (C)
ROW 3 (C)
ROW 4 (C)
ROW 5 (C)
ROW 6 (C)
25
26
27
28
29
30
31
32
1
0
1
0
00
0
1
11
1
0
10
0
1
10
0
1
10
0
1
10
0
1
10
0
1
11
1
0
DIGIT D3 SELECT
ROW 0 (D)
ROW 1 (D)
ROW 2 (D)
ROW 3 (D)
ROW 4 (D)
ROW 5 (D)
ROW 6 (D)
33
34
35
36
37
38
39
40
1
0
1
0
00
1
0
11
1
10
0
10
0
11
1
0
10
0
10
0
11
1
DIGIT D4 SELECT
ROW 0 (E)
ROW 1 (E)
ROW 2 (E)
ROW 3 (E)
ROW 4 (E)
ROW 5 (E)
ROW 6 (E)
41
42
43
44
45
46
47
48
1
0
1
0
101
11
1
10
0
1
0
000
11
1
0
10
0
1
0
000
1
0
000
DIGIT D5 SELECT
ROW 0 (F)
ROW 1 (F)
ROW 2 (F)
ROW 3 (F)
ROW 4 (F)
ROW 5 (F)
ROW 6 (F)
49
50
51
52
53
54
55
56
1
0
1
0
00
1
0
01
1
0
10
0
1
10
0
10
0
10
0
1
10
0
1
01
1
0
DIGIT D6 SELECT
ROW 0 (G)
ROW 1 (G)
ROW 2 (G)
ROW 3 (G)
ROW 4 (G)
ROW 5 (G)
ROW 6 (G)
57
58
59
60
61
62
63
1
0
1
0
00
1
10
0
1
10
0
1
10
0
1
11
1
10
0
1
10
0
1
10
0
1
DIGIT D7 SELECT
ROW 0 (H)
ROW 1 (H)
ROW 2 (H)
ROW 3 (H)
ROW 4 (H)
ROW 5 (H)
ROW 6 (H)
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