User Manual
MAX13171E/MAX13173E/MAX13175E
Multiprotocol, Pin-Selectable
Data Interface Chipset
______________________________________________________________________________________ 33
4
3
16
17
9
15
12
24
11
2
14
7
19
20
23
8
10
20
23
4
19
18
CHARGE
PUMP
DCE
CTS A
CTS B
DSR A
DSR B
DCD A (109)
DCD B
DTR A (108)
DTR B
RTS A (105)
RTS B
LL A (141)
RXD A (104)
RXD B
RXC A (115)
RXC B
TXC A (114)
TXC B
SCTE A (113)
SCTE B
TXD A (103)
TXD B
SG
CHARGE
PUMP
M2
0.1µF
0.1µF
C5
4.7µF
C2
1µF
C4
4.7µF
V
EE
V
DD
T1
T2
T3
R1
R2
R3
T1OUTA
T1OUTB
T2OUTA
T2OUTB
T3OUTA/R1INA
T3OUTB/R1INB
R2INA
R2INB
R3INA
R3INB
V
CC
T1IN
T2IN
T3IN
R1OUT
R2OUT
R3OUT
V
CC
R1A
R1B
R2A
R2B
R3A
R3B
R4A
R4B
R5A
R5B
R6A
R6B
100pF
100pF 100pF
M1
M0
DCE/DTE
M1
M2
DCE/DTE
M0
LATCH
MAX13175E
MAX13171E
T1
T2
T3
T4
R1
R2
R3
T1OUTA
T1OUTB
V
EE
V
EE
V
DD
V
CC
C1
1µF
C4
4.7µF
T2OUTA
T2OUTB
T3OUTA/R1INA
T3OUTB/R1INB
R2INA
R2INB
R3INA
R3INB
0.1µF
R4
V
L
M1
M2
DCE/DTE INVERT
M0
DB-25
FEMALE
CONNECTOR
MAX13173E
0.1µF
1
SHIELD (101)
RXD
RXC
TXC
SCTE
TXD
CTS
DSR
DCD
DTR
RTS
LL
R1OUT
T2IN
T3IN
T1IN
R2OUT
R3OUT
T5OUTA/R5INA
T4OUTA/R4INA
R5
T5
T4IN
R4OUT
R5OUT/T5IN
C5
4.7µF
C3
4.7µF
C2
1µF
V
DD
C1
1µF
C3
4.7µF
0.1µF
V
L
0.1µF
V
L
M2
M1
M0
INVERT
V
L
NC
NC
Figure 28. Controller-Selectable DCE Port with DB-25 Connector