SP3508 Datasheet, PDF (28/33 Pages) Sipex Corporation – Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Termination Resistors

DTE CONFIGURATION
SP3508 Multiprotocol Configured as DTE
Interface to Port-
Interface to System Logic
Connector
Pin
Number
31
2
32
3
33
4
34
5
35
6
36
7
37
8
38
9
39
10
40
11
41
12
42
13
43
14
44
15
45
16
46
17
Pin Mnemonic
TxD
SDEN
TxCE
TTEN
ST
STEN
RTS
RSEN
DTR
TREN
DCD_DCE
RRCEN
RL
RLEN
LL
LLEN#
RxD
RDEN#
RxC
RTEN#
TxC
TxCEN#
CTS
CSEN#
DSR
DMEN#
DCD_DTE
RRTEN#
RI
ICEN#
TM
TMEN
Circuit
Driver_1
Driver_2
Driver_3
Driver_4
Driver_5
Driver_6
Driver_7
Driver_8
Receiver_1
Receiver_2
Receiver_3
Receiver_4
Receiver_5
Receiver_6
Receiver_7
Receiver_8
Pin Mnemonic
SD(A)
SD(B)
TT(A)
TT(B)
ST(A)
ST(B)
RS(A)
RS(B)
TR(A)
TR(B)
RRC(A)
RRC(B)
RL(A)
Pin
Number
97
99
93
95
89
91
81
83
85
87
79
77
67
LL(A)
65
RD(A)
50
RD(B)
49
RT(A)
52
RT(B)
51
TxC(A)
55
TxC(B)
53
CS(A)
57
CS(B)
56
DM(A)
59
DM(B)
58
RRT(A)
62
RRT(B)
61
IC
63
TM(A)
64
Spare drivers and receivers may be used for optional signals (Signal
Quality, Rate Detect, Standby) or may be disabled using individual
enable pins for each driver and receiver
Recommended Signals and Port Pin Assignments
RS-232 or V.24
EIA-530
RS-449
V.35
X.21
Signal Mnemo DB-25
Type nic Pin(M)
V.28 BA
2
V.28 DA
24
Signal
Type
V.11
V.11
V.11
V.11
Mnemo DB-25
nic Pin(M)
BA(A) 2
BA(B) 12
DA(A) 24
DA(B) 11
Signal
Type
V.11
V.11
V.11
V.11
Mnemo DB-37
nic Pin(M)
SD(A) 4
SD(B) 22
TT(A) 17
TT(B) 35
Signal
Type
V.35
V.35
V.35
V.35
Mnemo M34
nic Pin(M)
103
P
103
S
113
U
113 W
Signal
Type
V.11
V.11
V.11
V.11
Mnemo DB-15
nic Pin(M)
T(A) 2
T(B) 9
X(A) 7**
X(B) 14**
V.28 CA
V.28 CD
4 V.11 CA(A) 4 V.11 RS(A) 7 V.28 105
V.11 CA(B) 19 V.11 RS(B) 25
20 V.11 CD(A) 20 V.11 TR(A) 12 V.28 108
V.11 CD(B) 23 V.11 TR(B) 30
C V.11 C(A) 3
V.11 C(B) 10
H
V.28 RL
V.28 LL
V.28 BB
V.28 DD
V.28 DB
V.28 CB
V.28 CC
V.28 CF
V.28 CE
V.28 TM
21 V.10 RL
21 V.10 RL
14 V.28 140
N
18 V.10 LL
18 V.10 LL
10 V.28 141
L
3 V.11 BB(A) 3 V.11 RD(A) 6 V.35 104
R V.11 R(A) 4
V.11 BB(B) 16 V.11 RD(B) 24 V.35 104
T V.11 R(B) 11
17 V.11 DD(A) 17 V.11 RT(A) 8 V.35 115
V V.11 B(A) 7**
V.11 DD(B) 9 V.11 RT(B) 26 V.35 115
X V.11 B(B) 14**
15 V.11 DB(A) 15 V.11 ST(A) 5 V.35 114
Y V.11 S(A)
6
V.11 DB(B) 12 V.11 ST(B) 23 V.35 114 AA V.11 S(B) 13
5 V.11 CB(A) 5 V.11 CS(A) 9 V.28 106
D V.11 I(A)
5
V.11 CB(B) 13 V.11 CS(B) 27
V.11 I(B) 12
6 V.11 CC(A) 6 V.11 DM(A) 11 V.28 107
E
V.11 CC(B) 22 V.11 DM(B) 29
8 V.11 CF(A) 8 V.11 RR(A) 13 V.28 109
F
V.11 CF(B) 10 V.11 RR(B) 31
22
V.28 125
J
25 V.10 TM
25 V.10 TM
18 V.28 142 NN
Pin assignments and signal functions are subject to national or regional variation and
proprietary / non-standard implementations
** X.21 use either B() or
X(), not both
Date: 06/14/04
SP3508 Enhanced WAN Multi–Mode Serial Transceiver
28
© Copyright 2004 Sipex Corporation