SP505AN Datasheet, PDF (5/30 Pages) Sipex Corporation – Multi-Protocol Serial Transceivers

1N5819, MBRS140T3, or equiv.
+5V
#104
#107
#106
#115
#114
#109
#142
#103
#113
#105
#108
#140
#141
M0
M1 (V.28_Enable)
M2 (V.11_Enable)
M3
Mode_Enable
10µF 10µF
10µF
10µF
Various VCC pins
(Refer to SP506
27 26 30 28 31 ₃₂ 10µF
Datasheet)
VCC
VDD
C1+
C1-
C2+
C2- ^VSS
Drivers
61
TxD
59
14
58
DTR
56
13
54
RTS
52
16
63
TxC
65
15
42
ST
44
22
47
RL
45
17
51
LL
49
24
Receivers
70
RxD
71
1
37
RxC
38
20
66
CTS
67
80
68
DSR
69
78
35
DCD
36
19
39
RI
40
21
76
SCT
77
79
2
SDEN
3
12 ^DEC0
11 ^DEC1
TREN
4
RSEN
18
DEC2
10
RLEN
DEC3
9
LLEN
SP506CF STEN
5
23
12
TTEN
LATCH
8
SCTEN ⁷
GND
Various GND pins (Refer to SP506 Datasheet)
Mode Selection
M3
M2
M1
M0
Mode
Enable
Physical Layer
0 000
SHUTDOWN
0 100
X.21 (V.11)
0 010
RS-232 (V.28)
1 100
RS-449 (V.11 & V.10)
1 1 01
EIA-530 (V.11 & V.10)
1 1 10
V.35 (V.35 & V.28)
1 1 11
EIA-530A (V.11 & V.10)
DB-25 Connector Pins & Signals
3
RXD(a)
16
RXD(b)
6
DSR(a)
22
DSR(b)
5
CTS(a)
13
CTS(b)
17
RXC(a)
9
RXC(b)
15
TXC(a)
12
TXC(b)
8
DCD(a)
10
DCD(b)
25
TM
2
TXD(a)
14
TXD(b)
24
TXCE(a)
11
TXCE(b)
4
RTS(a)
19
RTS(b)
20
DTR(a)
23
DTR(b)
21
RL
18
LL
n/a
n/a
7
SIGNAL GND (#102)
Figure 3. SP506 DCE Configuration
SP505/6/7APN/03
SP505, SP506, SP507 Application Note
5
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