SP505 Datasheet, PDF (29/35 Pages) Sipex Corporation – WAN Multi-Mode Serial Transceiver

RD(a) 70
RxD 1
RD(b) 71
RT(a) 37
RxC 20
RT(b) 38
CS(a) 66
CTS 80
CS(b) 67
DM(a) 68
DSR 78
DM(b) 69
RR(a) 35
DCD 19
RR(b) 36
IC(a) 39
RI 21
IC(b) 40
SCT(a) 76
SCT 79
SCTEN 7
SCT(b) 77
MODE: RS-422 ^{(w/o termination)}
DRIVER/RECEIVER
DEC₃ DEC₂ DEC₁ DEC₀
0101
RECEIVERS DRIVERS
14 TxD
61 SD(a)
59 SD(b)
2 SDEN
13 DTR
58 TR(a)
56 TR(b)
3 TREN
16 RTS
54 RS(a)
52 RS(b)
4 RSEN
17 RL
47 RL(a)
45 RL(b)
18 RLEN
24 LL
51 LL(a)
49 LL(b)
5 LLEN
22 ST
42 ST(a)
44 ST(b)
23 STEN
15 TxC
63 TT(a)
65 TT(b)
6 TTEN
Figure 57. Mode Diagram — RS-422 w/o termination
Exar Coporation 48720 Kato Road, Fremont CA, 94538 • [phone] • Fax [phone] • www.exar.com
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SP505_100_081308