17
Rev. 3/05/04
SP514 Multi–Mode Serial Transceiver
Copyright 2004 Sipex Corporation
SP514 Receiver Mode Selection
SP514 Driver Mode Selection
Pin Label
RDEC
3
–RDEC
0
RD(a)
RD(b)
RT(a)
RT(b)
CS(a)
CS(b)
DM(a)
DM(b)
RR(a)
RR(b)
IC(a)
IC(b)
SCT(a)
SCT(b)
Pin Label
Mode:
RS232
V.35
RS422
RS485
RS449
EIA530
EIA-530A
V.36
0000
0010
1110
0100
0101
1100
1101
1111
0110
SD(a)
tri-state
V.28
V.35–
V.11–
RS485–
V.11–
SD(b)
V.35+
V.11+
RS485+
V.11+
TR(a)
tri-state
V.28
V.11–
RS485–
V.11–
V.10
TR(b)
tri-state
tri-state
tri-state
V.11+
RS485+
V.11+
tri-state
RS(a)
tri-state
V.28
V.11–
RS485–
V.11–
RS(b)
tri-state
tri-state
tri-state
V.11+
RS485+
V.11+
RL(a)
tri-state
V.28
V.11–
RS485–
V.10
RL(b)
tri-state
tri-state
tri-state
V.11+
RS485+
tri-state
LL(a)
tri-state
V.28
V.11–
RS485–
V.10
LL(b)
tri-state
tri-state
tri-state
V.11+
RS485+
tri-state
ST(a)
tri-state
V.28
V.35–
V.11–
RS485–
V.11–
ST(b)
V.35+
V.11+
RS485+
V.11+
TT(a)
tri-state
V.28
V.35–
V.11–
RS485–
V.11–
TT(b)
V.35+
V.11+
RS485+
V.11+
tri-state
tri-state
tri-state
tri-state
tri-state
tri-state
V.28
V.28
V.28
V.28
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.10
tri-state
tri-state
V.11–
V.11+
V.11–
V.11+
V.10
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.10
tri-state
V.10
tri-state
V.11–
V.11+
V.10
tri-state
V.10
tri-state
V.10
tri-state
V.11–
V.11+
V.11–
V.11+
0
TDEC –TDEC
Mode:
RS232
V.35
RS422
RS485
RS449
EIA530
EIA-530A
V.36
0000
0010
1110
0100
0101
1100
1101
1111
0110
V.28
V.35–
V.11–
RS485–
V.11–
V.35+
V.11+
RS485+
V.11+
V.28
V.11–
RS485–
V.11–
V.11+
RS485+
V.11+
V.28
V.11–
RS485–
V.11–
V.11+
RS485+
V.11+
V.28
V.11–
RS485–
V.11+
RS485+
V.28
V.11–
RS485–
V.11+
V.11–
RS485+
V.28
RS485–
V.11+
RS485+
V.28
V.35–
V.11–
RS485–
V.11–
V.35+
V.11+
RS485+
V.11+
V.28
V.28
V.28
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.10
V.10
V.10
V.11–
V.11+
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
>12k
to GND
V.28
>12k
to GND
>12k
to GND
V.11–
V.11+
V.11–
V.11+
>12k
to GND
>12k
to GND
V.10
V.10
>12k
to GND
V.10
>12k
to GND
V.10
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
>12k
to GND
V.10
V.11–
V.11+
V.11–
V.11+
V.35–
V.35+
>12k
to GND