SP505AN Datasheet, PDF (10/30 Pages) Sipex Corporation – Multi-Protocol Serial Transceivers

+5V
DB-25 Connector Pins & Signals [DTE/DCE]
#141_DTE/#125_DCE
#125_DTE/#141_DCE
1N5819, MBRS140T3, or equiv.
+5V
+5V
#103_DTE/#104_DCE
#108_DTE/#107_DCE
#105_DTE/#106_DCE
#113_DTE/#115_DCE
#114_DTE/#114_DCE
#109_DTE/#109_DCE
#140_DTE/#140_DCE
#104_DTE/#103_DCE
#115_DTE/#113_DCE
#106_DTE/#105_DCE
#107_DTE/#108_DCE
M0
M1
M2
Mode Selection
22µF
22µF 22µF
10µF
Various VCC pins
(Refer to SP507
27 26 30 28 31
Datasheet)
VCC
VDD
C1+
C1-
C2+
C2- ^VSS
32
Drivers
61
TxD
59
14
58
DTR
56
13
54
RTS
52
16
63
TxC
65
15
42
DCE_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
TM
40
21
76
DTE_ST
77
79
2
RTEN
12
M0
11 _M1
3
RREN
4
TMEN
10 _M2
SCTEN ⁷
5
TERM_OFF
LLEN
18
SP507CF ^RLEN 6
TTEN
LATCH
8
STEN ²³
M2
M1
M0
Mode
Enable
0 00
0 01
0 10
0 11
1 00
1 01
1 10
1 11
Physical Layer
V.11 (RS-422)
EIA-530A
EIA-530
X.21
V.35
RS-449 (V.36)
RS-232
SHUTDOWN
+5V
GND
Various GND pins (Refer to SP507 Datasheet)
DCE/DTE Control
10µF
VDD
VCC
T1IN
T1OUT
ENT1
ENR1
R1IN
R1OUT
LBK
DP0 _SP522
DP1
VSS GND
22µF
+5V
18
LL/TM
25
TM/LL
2
TXD(a)/RXD(a)
14
TXD(a)/RXD(b)
20
DTR(a)/DSR(a)
23
DTR(b)/DSR(b)
4
RTS(a)/CTS(b)
19
RTS(b)/CTS(b)
24
TXCE(a)/TXC(a)
11
TXCE(b)/TXC(b)
21
*RL/RL
3
RXD(a)/TXD(a)
16
RXD(b)/TXD(b)
17
RXC(a)/TXCE(a)
9
RXC(b)/TXCE(b)
5
CTS(a)/RTS(a)
13
CTS(b)/RTS(b)
6
DSR(a)/DTR(a)
22
DSR(b)/DTR(b)
8
*DCD(a)/DCD(a)
10
*DCD(b)/DCD(b)
15
*TXC(a)/RXC(a)
12
*TXC(b)/RXC(b)
7
SIGNAL GND
1 SHIELD GND
* - Driver applies for DCE mode only on pins 15 and 12 for signal TxC.
Receiver applies for DTE mode only on pins 15 and 12.
Driver applies for DCE mode only on pins 8 and 10 for signal DCD.
Receiver applies for DTE mode only on pins 15 and 12.
Receiver applies for DCE mode only on pin 18 for signal LL. Driver
applies for DTE mode only on pin 18.
Input Line
Output Line
I/O Lines represented by double arrowhead signifies a bi-directional bus.
Figure 7. Adding the SP522 to the SP507 in a DTE/DCE Programmable Configuration
SP505/6/7APN/03
SP505, SP506, SP507 Application Note
10
© Copyright 2000 Sipex Corporation