SP509 Datasheet, PDF (25/29 Pages) Sipex Corporation – Rugged 40Mbps, 8 Channel Multi-Protocol Transceiver with Programmable DCE/DTE and Termination Resistors

DCE/DTE
Vcc
+
10µF
CIRCUIT #
#103
#113
#113
#105
#108
#109
#140
#141
#105
#115
#114
#106)
#107
#109
#125
#142
Vcc
1µF
1µF
1µF
73 72 69 70
67
VDD C1+ C1- C2+ C2-
1µF
VCC
66
VSS
28
TxD
29
TxCE
30
ST
31
RTS
32
DTR
33
DCD_DCE
34
RL
97 SD(a)
100 S(b)
92 TT(a)
95 TT(b)
87 ST(a)
90 ST(b)
83 RS(a)
85 RS(b)
75 TR(a)
78 TR(b)
81 RRC(a)
79 RRC(b)
65 RL(a)
35
LL
63 LL(a)
SP509
36
RxD
37
RxC
38
TxC
39
CTS
40
DSR
41
DCD_DTE
42
RI
48 RD(a)
47 RD(b)
50 RT(a)
49 RT(b)
53 TxC(a)
51 TxC(b)
55 CS(a)
54 CS(b)
57 DM(a)
56 DM(b)
60 RRT(a)
59 RRT(b)
61 IC
43
TM
62 TM
Logic Section
3 SDEN
D0 19
4 TTEN
5 STEN
6 RSEN
7 TREN
D1 20
D2 21
LOOPBACK 27
8 RRCEN
9 RLEN
10 LLEN
LATCH 23
11 RDEN
TERM_OFF 22
12 RTEN
13 TxCEN
14 CSEN
15 DMEN
16 RRTEN
17 ICEN
18 TMEN
V35TGND1 99
V35TGND2 94
35TGND3 89
V35RGND 46
V10_GND 58
Serial Port Connector Pins
2
TxD_RXD_A
14 TxD_RXD_B
24 TxCE_TXC_A
11 TXCE_TXC_B
4
RTS_CTS_A
19 RTS_CTS_B
20 DTR_DSR_A
23 DTR_DSR_B
21 RL_RI
18 LL_TM
3
RXD_TXD_A
16 RXD_TXD_B
17 RXC_TXCE_A
9
RXC_TXCE_B
15 TXC_RXC_A
12 TXC_RXC_B
5
CTS_RTS_A
13 CTS_RTS_B
6
DSR_DTR_A
22 DSR_DTR_B
8
DCD_DCD_A
10 DCD-DCD-B
22 RI_RL
25 LL_TM
Vcc
* - Driver applies for DCE only on pins 15 and 12.
Receiver applies for DTE only on pins 15 and 12.
Driver applies for DCE only on pins 8 and 10.
Receiver applies for DTE only on pins 8 and 10.
Input Line
Output Line
Bi-directional Bus.
Figure 49. Configuring SP509 to Operate as either DCE or DTE
Date: 8/19/04
SP509 Enhanced WAN Multi–Protocol Serial Transceiver
25
© Copyright 2004 Sipex Corporation