23
Rev: A Date: 1/27/04
SP505 Multi–Mode Serial Transceiver
Copyright 2004 Sipex Corporation
SP505 Receiver Mode Selection
SP505 Driver Mode Selection
Pin Label
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
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–
V.11–
V.11–
SD(b)
V.35+
V.11+
V.11+
V.11+
TR(a)
tri-state
V.28
V.11–
V.11–
V.11–
V.10
TR(b)
tri-state
tri-state
tri-state
V.11+
V.11+
V.11+
tri-state
RS(a)
tri-state
V.28
V.11–
V.11–
V.11–
RS(b)
tri-state
tri-state
tri-state
V.11+
V.11+
V.11+
RL(a)
tri-state
V.28
V.11–
V.11–
V.10
RL(b)
tri-state
tri-state
tri-state
V.11+
V.11+
tri-state
LL(a)
tri-state
V.28
V.11–
V.11–
V.10
LL(b)
tri-state
tri-state
tri-state
V.11+
V.11+
tri-state
ST(a)
tri-state
V.28
V.35–
V.11–
V.11–
V.11–
ST(b)
V.35+
V.11+
V.11+
V.11+
TT(a)
tri-state
V.28
V.35–
V.11–
V.11–
V.11–
TT(b)
V.35+
V.11+
V.11+
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+
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+
Mode:
RS232
V.35
RS422
w/ Term.
RS422
RS449
EIA530
EIA-530A
V.36
0000
0010
1110
0100
0101
1100
1101
1111
0110
V.28
V.35–
V.11–
V.11–
V.11–
V.35+
V.11+
V.11+
V.11+
V.28
V.11–
V.11–
V.11–
V.11+
V.11+
V.11+
V.28
V.11–
V.11–
V.11–
V.11+
V.11+
V.11+
V.28
V.11–
V.11–
V.11+
V.11+
V.28
V.11–
V.11–
V.11+
V.11–
V.11+
V.28
V.11–
V.11+
V.11+
V.28
V.35–
V.11–
V.11–
V.11–
V.35+
V.11+
V.11+
V.11+
V.28
V.28
V.28
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
V.10
V.10
V.10
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>12k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
>10k
to GND
V.28
>10k
to GND
>10k
to GND
V.11–
V.11+
V.11–
V.11+
>10k
to GND
>10k
to GND
V.10
V.10
>10k
to GND
V.10
>10k
to GND
V.10
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
>10k
to GND
V.10
V.35–
V.35+
>10k
to GND
V.11–
V.11+
0
DEC – DEC
0
DEC – DEC
1
1
1
RS422
w/ Term.
1
1
1
V.11–
V.11+
V.11–
V.11+
1
1
1
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
1
1
1
V.11–
V.11+
V.11–
V.11+
V.11–
V.11+
1
1
1
Table 1. SP505 Driver Decoder Table
Table 2. SP505 Receiver Decoder Table