FEDL7037-003-03 datasheet(5/87 Pages) LAPIS

Part #	FEDL7037-003-03

Description	Dual Echo Canceler & Noise Canceler with Dual Codec for Hands-Free

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Manufacturer	LAPIS [LAPIS Semiconductor Co., Ltd.]

Direct Link	http://www.lapis-semi.com/

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5 / 87 page

FEDL7037-003-03

ML7037-003

5/87

Number

Pin Name

I/O

PDN=”0”

Descriptions

23

GPIA3

(TPAD3)

I

General-purpose input port pin

＜

Primary function＞

General-purpose input port pin

＜

Secondary function＞

Input pin to tune volume of transmit speech signals

24

GPIA4

(RPAD0)

I

General-purpose input port pin

＜

Primary function＞

General-purpose input port pin

＜

Secondary function＞

Input pin to tune volume of receive speech signals

25

GPIA5

(RPAD1)

I

General-purpose input port pin

＜

Primary function＞

General-purpose input port pin

＜

Secondary function＞

Input pin to tune volume of receive speech signals

26

GPIA6

(RPAD2)

I

General-purpose input port pin

＜

Primary function＞

General-purpose input port pin

＜

Secondary function＞

Input pin to tune volume of receive speech signals

27

GPIA7

(RPAD3)

I

General-purpose input port pin

＜

Primary function＞

General-purpose input port pin

＜

Secondary function＞

Input pin to tune volume of receive speech signals

28

DOUT

O

Hi-Z

Data output pin for MCU interface

29

DIN

I

Data input pin for MCU interface

30

EXCK

I

Clock input pin for MCU interface

31

DEN

I

Data enable input pin for MCU interface

32

MCUSEL

I

Input pin to switch between MCU interface enabled and disabled

33

DGND1

-

Digital ground pin

34

REGOUT1

-

Regulatoroutput pin

35

DVDD1

-

Digital power supply pin

36

GPIB0

I

General-purpose input port pin

37

GPIB1

(LINEEN)

I

General-purpose input port pin

＜

Primary function＞

General-purpose input port pin

＜

Secondary function＞

Input pin to switch between enabling and disabling of line-side analog

interface

38

GPIB2

(VFROSEL)

I

General-purpose input port pin

＜

Primary function＞

General-purpose input port pin

＜

Secondary function＞

Input pin to select output signals from AVFRO/LVFRO

39

GPIB3

(NCTHR)

I

General-purpose input port pin

＜

Primary function＞

General-purpose input port pin

＜

Secondary function＞

Input pin to select noise canceler mode between normal mode and through

mode

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FEDL7037-003-03 Datasheet(PDF) 5 Page - LAPIS Semiconductor Co., Ltd.

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