V.90/K56flex Modem Device Sets with SmartDAA Technology for Low Power Applications

SmartACFL



Doc. No. 100444A

Conexant

17

Proprietary Information

CLK

PWR+

AVDD

DVDD

DGND

AGND

DIB_P

DIB_N

27

31

24

26

25

23

28

29

RAC1

TAC1

EIR

EIC

DAC

TRDC

EIO

EIF

RXG

RXI

TXA

MOVEN (GPIO1)

ZW0

ZUS0

TXO

TXF

DCF

VREF

VC

RBIAS

GPIO2

POR

9

11

15

2

6

5

21

22

4

3

18

32

14

17

20

19

16

8

7

13

1

30

100444A_HIS_20463_Smart ACFL

LINE SIDE DEVICE

(LSD)

20463

32-PIN TQFP

Electronic

Inductor,

Offhook,

Pulse Dial,

and TIP and

RING VI

Control

AGND_LSD

RJ11

Jack

Safety

and

EMI

Protection

AGND_LSD

TIP

RING

Ring In

Filter

AGND_LSD

0.1uF

0.1uF

10 uF

AGND_LSD

Echo

Cancellation

and

Receiver

Impedance

Matching

and

Transmitter

Pulse Dial

Voltage

Protection

(Country

Specific)

GND_LSD

1K

10 pF

0.1uF

0.1uF

1

K

1

K

AGND_LSD

DIGITAL

ISOLATION

BARRIER

(DIB)

PWRCLKP

PWRCLKN

DIB_DATAP

DIB_DATAN

DATA

CHANNEL

10 pF

10 pF

POWER AND

CLOCK

CHANNEL

10

NC

143K

AGND_LSD

VDD

NC

10uF

Figure 7. LSD (20463) 32-Pin TQFP Hardware Interface Signals

MD245F6 PO-20463-32T

1

2

3

4

5

6

7

8

24

23

22

21

20

19

18

17

GPIO2

EIC

RXI

RXG

TRDC

DAC

VC

VREF

AVDD

AGND

EIF

EIO

TXO

TXF

TXA

ZUS0

20463

Figure 8. LSD (20463) 32-Pin TQFP Pin Signals