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Rainbow Electronics MAX13175E User Manual

Page 33

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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

0.1

µF

0.1

µF

C5

4.7

µF

C2

1

µF

C4

4.7

µF

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

1

µF

C4

4.7

µF

T2OUTA
T2OUTB

T3OUTA/R1INA
T3OUTB/R1INB

R2INA
R2INB

R3INA
R3INB

0.1

µF

R4

V

L

M1
M2

DCE/DTE INVERT

M0

DB-25

FEMALE

CONNECTOR

MAX13173E

0.1

µF

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

4.7

µF

C3

4.7

µF

C2

1

µF

V

DD

C1

1

µF

C3

4.7

µF

0.1

µF

V

L

0.1

µF

V

L

M2
M1
M0

INVERT

V

L

NC

NC

Figure 28. Controller-Selectable DCE Port with DB-25 Connector