sp332ct-tr Exar Corporation, sp332ct-tr Datasheet - Page 8

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sp332ct-tr

Manufacturer Part Number
sp332ct-tr
Description
Rs-232/rs-485 Multi-mode Serial Transceiver
Manufacturer
Exar Corporation
Datasheet
SP332 CONTROL LOGIC CONFIGURATION
Receiver Inputs are inactive in Loopback Mode (LOOPBACK = 0)
Driver Outputs are Tri-Stated in Loopback Mode (LOOPBACK = 0)
Unused Outputs are Tri-Stated
TGoddard/SP332/9617R0
SEL A
SEL B
LOOPBACK
SHUTDOWN
SEL A
SEL B
LOOPBACK
SHUTDOWN
22
26
27
28
19
21
20
22
1
26
27
28
19
21
20
1
TI1
TI2
TI3
TI4
RX1
RX2
RX3
RX4
TI1
TI2
TI3
TI4
RX1
RX2
RX3
RX4
T1
T2
T3
T4
R2
R3
R1
R4
T1
T2
T3
T4
0
0
1
0
0
0
0
0
R2
R3
R1
R4
TX1
TX3
TX4
TX1 6
TX3 4
TX4
TX2
RI1
RI2
RI3
RI4
TX2 7
RI1
RI2
RI3
RI4
17
18
15
16
17
18
15
16
7
3
6
4
3
SP332 RS-232/RS-485 Multi-Mode Serial Transceiver
27
19
20
26
28
19
26
28 TI3
27
20
21 RX3
21 RX3
RX2
TI1
TI2
RX1
TI1
TI2
TI3
RX1
RX2
T3
T1
T2
T3
R1
R3
T1
T2
R2
0
1
1
0
0
1
0
0
R1
R3
R2
8
TX1 6
TX2 7
TX3
TX4
TX1 6
TX3
TX4
TX2 7
RI1
RI1
RI3
RI4
RI2 16
RI3
RI4
RI2 16
15
18
15
18
17
17
4
4
3
3
26
19
28
19
26
21
22
28
21
22
1
1
TI1
TI3
TI4
RX1
RX3
RX4
RX4
TI1
TI3
TI4
RX1
RX3
T1
T3
T4
R1
R3
R4
T1
T3
T4
R1
R3
R4
1
0
0
0
1
0
1
0
TX3
TX3
TX4
TX1
TX2
TX4
TX1
TX2
RI1
RI2
RI1
RI3
RI4
RI3
RI4
RI2
15
16
15
16
17
18
17
18
4
3
4
3
7
7
6
6
© Copyright 2000 Sipex Corporation
26
28
19
26
28
21 RX3
21 RX3
19
TI1
RX1
TI3
RX1
TI3
TI1
T3
T1
R1
R3
1
1
1
0
1
1
0
0
T3
T1
R1
R3
TX1
TX2
TX2
TX3
TX4
TX1
RI1
TX3
TX4
RI2
RI3
RI4
RI1
RI3
RI4
RI2
15
16
6
7
17
18
4
15
16
18
3
6
7
17
4
3

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