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5
D
C
RS-232 ENABLE
RS-232 ENABLE
N/C
RS-232 DISABLE
1 - 2
B
A
5
4
U 2
2 8
C 1 +
+
C 6
1.0uF
2 4
C1-
1
C 2 +
+
C 5
1.0uF
2
C2-
1 4
TXD
T1IN
T2IN
1 3
T2IN
T3IN
1 2
T3IN
2 0
T4
1
R 2 O U T B
1 9
R X D
R 1 O U T
1 8
T5
1
R 2 O U T
1 7
T6
1
R 3 O U T
1 6
T7
1
R 4 O U T
+3.3V
1 5
T8
1
R 5 O U T
/ E N
2 3
F O R C E O N
R 4 7
2 2
F O R C E O F F
1 K
M A X 3 2 4 5 E E A I
J G 6
1
2
Title
RS-232 AND SCI CONNECTORS
Document
Size
Number
A
Date:
4
Figure A-4. RS-232 AND SCI CONNECTORS
3
+3.3V
2 6
V C C
+
C 3
3
V-
1.0uF
+
C 4
2 7
V +
1.0uF
2 5
G N D
9
T 1 O U T
1 0
T 2 O U T
1
T2
1 1
T 3 O U T
1
T3
4
R 1 I N
R 2 I N
5
R 2 I N
R 3 I N
6
R 3 I N
R 4 I N
7
R 4 I N
R 5 I N
8
R 5 I N
2 1
I N V A L I D
1
T9
DSP56F801EVM.DSN
Designer:
Monday, November 27, 2000
3
2
1
P 4
DCD
1
DSR
6
2
TXD
7
CTS
3
RXD
8
RTS
4
DTR
9
5
/ E N
R 4 5
SCI0
T2IN
R 4 6
RS-232
CONNECTOR
T3IN
R 4 8
R 2 I N
R 4 9
R 3 I N
R 5 0
R 4 I N
R 5 1
R 5 I N
R 5 2
DSP Standard Products Division
2100 East Elliot Road
Tempe, Arizona 85284
(480) 413-5090
FAX: (480) 413-2510
Sheet
of
4
D S P D D e s i g n
2
1
D
+3.3V
1 K
C
1 K
1 K
1 K
1 K
1 K
B
1 K
A
Rev.
1.0
1 1
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