SP504 Datasheet, PDF (21/32 Pages) Sipex Corporation – WAN Multi-Mode Serial Transceiver

DRIVER
TDEC₃ TDEC ₂ TDEC₁
0
0
1
MODE: RS-232
TDEC₀ RDEC₃
0
0
RECEIVER
RDEC₂ RDEC₁
0
1
RDEC₀
0
RD(a) 70
RxD 1
14 TxD
61 SD(a)
RT(a) 37
RxC 20
13 DTR
58 TR(a)
CS(a) 66
CTS 80
16 RTS
54 RS(a)
DM(a) 68
DSR 78
17 RL
47 RL(a)
RR(a) 35
DCD 19
24 LL
51 LL(a)
IC(a) 39
RI 21
SCT(a) 76
SCT 79
SCTEN 7
RECEIVERS DRIVERS
22 ST
42 ST(a)
23 STEN
15 TxC
63 TT(a)
6 TTEN
STEN ST
1 Disabled
0 Enabled
TTEN
1
0
TT
Disabled
Enabled
SCTEN
1
0
SCT
Enabled
Disabled
Figure 20. Mode Diagram — RS-232
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
21
SP504_102_121708