MSM7732-01TB datasheet(5/29 Pages) OKI

5 / 29 page

FEDL7732-01-10

OKI Semiconductor

MSM7732-01

5/29

PIN DESCRIPTION

Symbol

Type

Description

VDD

—

Power supply (3.0 V)

SWA

Analog switch A

SWB

Analog switch B

SWC

Analog switch C

AMPAI

Amplifier A inverting input

AMPAO

Amplifier A output

AIN+

Transmit side amplifier non-inverting input

AIN–

Transmit side amplifier inverting input

GSX

Transmit side amplifier output

SWD

Analog switch D

SWE

Analog switch E

Analog signal ground (1.4 V)

VFRO

Receive side voice output

AG1

—

Analog ground 1 (0 V)

SAO

Receive side sounder amplifier output

—

Analog power supply (3.0 V)

PWI

Receive side voice amplifier input

AOUT–

Receive side voice amplifier output –

AOUT+

Receive side voice amplifier output +

AG2

—

Analog ground 2 (0 V)

PDN

Power down control input

BCLK

PCM data shift clock input

SYNC

PCM data shift sync signal input

PCMIN

Receive side PCM signal input

PCMOUT

Transmit side PCM signal output

EXCK

Clock signal input for control register

DIO

Address and data input or output for control register

DEN

Enable signal input for control register

MCK

Master clock input (2.048 MHz)

—

Digital ground (0 V)

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