SP503 Datasheet, PDF (17/29 Pages) Sipex Corporation – Multiprotocol Transceiver

MODE: RS-449
DRIVER
RECEIVER
TDEC₃ TDEC₂ TDEC₁ TDEC₀ RDEC₃ RDEC₂ RDEC₁ RDEC₀
1
1
0
0
1
1
0
0
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
SCT(a) 76
SCT 79
SCTEN 7
SCT(b) 77
RECEIVERS DRIVERS
14 TxD
61 SD(a)
59 SD(b)
13 DTR
58 TR(a)
56 TR(b)
16 RTS
54 RS(a)
52 RS(b)
17 RL
47 RL(a)
24 LL
51 LL(a)
22 ST
42 ST(a)
44 ST(b)
23 STEN
15 TxC
63 TT(a)
65 TT(b)
6 TTEN
STEN ST TTEN TT SCTEN SCT
1 Disabled 1 Disabled 1 Enabled
0 Enabled 0 Enabled 0 Disabled
Figure 10. Mode Diagram — RS-449
Date: 7/29/04
SP503 Multiprotocol Transceiver
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