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PD243X 数据表(PDF) 4 Page - OSRAM GmbH

部件名 PD243X
功能描述  Alphanumeric Programmable Display
PDF  7 Pages
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制造商  OSRAM [OSRAM GmbH]
网页  http://www.osram.com
标志 OSRAM - OSRAM GmbH

PD243X 数据表(HTML) 4 Page - OSRAM GmbH

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 2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
Appnote 49
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany
www.osram-os.com • +49-941-202-7178
4
May 31, 2000-14
Figure 4. Interface circuit
Figure 5. Program flow chart
43
42
41
11
18
17
14
13
8
7
4
3
19
16
15
12
9
6
5
2
P2.2
P2.1
P2.0
19
22
23
17
16
15
14
13
11
10
9
20
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
D7
D6
D5
D4
D3
D2
D1
D0
OE
D7
D6
D5
D4
D3
D2
D1
D0
CEO
CE1
A2
A1
A0
VCC
1
3
20
10
11
P3.6
RD
CLKSEL
GND
WR
12
13
14
15
16
17
18
19
6
5
7
8
9
VCC
VCC
24
12 18
27
P3.6
P2.2
P2.1
P2.0
10
1 K
4.7
µF
50
51
ALE
EA
11
12
W1
W2
VAREF
VAGND
37
C1
100nF
59
58
57
56
55
54
53
52
49
38
39
40
12 MHz
C2
22 PF
C1
22 PF
68
VCC
P2.3 P2.5 P2.7
P2.4 P2.6
44 45 46 47 48
80515/
80535
µC
VBB
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
PSEN
GND
RESET
GND CE
2716A
PROM
74LS373
20
10
1
PD2435
DISPLAY
D7
D6
D5
D4
D3
D2
D1
D0
CEO
CE1
A2
A1
A0
VCC
1
3
20
10
11
P3.6
RD
CLKSEL
GND
WR
12
13
14
15
16
17
18
19
6
5
7
8
9
PD2435
DISPLAY
D7
D6
D5
D4
D3
D2
D1
D0
CEO
CE1
A2
A1
A0
VCC
1
3
20
10
11
P3.6
RD
CLKSEL
GND
WR
12
13
14
15
16
17
18
19
6
5
7
8
9
PD2435
DISPLAY
D7
D6
D5
D4
D3
D2
D1
D0
CEO
CE1
A2
A1
A0
VCC
1
3
20
10
11
P3.6
RD
CLKSEL
GND
WR
12
13
14
15
16
17
18
19
6
5
7
8
9
PD2435
DISPLAY
+
Read next
character of
the message.
interrupt
flag set?
Transfer
character to
the top of
RAM buffer.
Shift character
in RAM buffer
from bottom
to top up.
YES
YES
NO
NO
Start address of
message in
DPTR. Character
count in R5.
Start address
of RAM buffer
in R0.
character = 0?
Shift character
to display from
RAM buffer.
Wait loop from
the current
value of the
A/D converter.
START



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