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5
D
TXD
C
R X D
R 2 I N
R 2 2
1 K
B
R 2 3
1 K
R 3 I N
R 2 4
1 K
T 2 I N
1 K
R 2 5
T 3 I N
R 4 I N
R 2 6
1 K
R 2 7
1 K
R 5 I N
R 2 8
1 K
/ E N
A
5
4
3
C 4 0
0 . 1 u F
+ 3 . 3 V
U 3
3
V C C
V-
C 4 1
2
C 2 +
C 3 +
C 4 3
0 . 1 u F
4
C 2 -
C 3 -
0 . 1 u F
1
V +
G N D
6
C 1 +
C 1 -
7
T 1 I N
8
T 2 I N
T 2 I N
T 3 I N
9
T 3 I N
T 1 O U T
T 2 O U T
1 0
R 1 O U T
T 3 O U T
1 1
T P 8 1 1
R 2 O U T
1 2
T P 8 2 1
R 3 O U T
1 3
T P 8 3 1
R 4 O U T
R 1 I N
1 4
T P 8 5 1
R 5 O U T
R 2 I N
R 3 I N
5
/ E N
E N
R 4 I N
R 5 I N
2 3
S D
A D M 3 3 1 1 E A R S
R 6 8
1 K
Title
RS-232 AND SCI CONNECTORS
Document
Size
DSP56803EVM.DSN
N u m ber
A
Monday, June 22, 1998
Date:
4
3
Figure A-4. RS-232 and SCI Connectors
2
2 5
C 4 2
2 8
SCI
0 . 1 u F
2 6
C 4 4
RS-232
0 . 1 u F
2 7
CONNECTOR
2 4
2 2
2 1
1
T P 7 9
2 0
1
T P 8 0
1 9
1 8
R 2 I N
1 7
R 3 I N
1 6
R 4 I N
1 5
R 5 I N
Wireless Subscriber Division
6 5 0 1 William Cannon Drive West
Austin, TX, 78735-8598
(512)895-3230
FAX: (512)895-4556
Development Tools
Designer:
2
1
D
P 4
1
6
2
C
7
2: TXD
3
8
3: RXD
4
9
5
D B 9 S
B
MD:OE314
A
Rev.
1.3
4
14
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of
1
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