Overview

Combined with an analog front end the PSB 4860 provides a solution for embedded or stand alone answering machine applications. Together with a standard microcontroller for analog telephones these two chips form the core of a featurephone with full duplex speakerphone and answering machine capabilities.

Features

Digital Functions

• High performance recording by DigiTape™

• Selectable compression rate (3.3 kbit/s, 10.3 kbit/s)

• Variable playback speed

• Support for ARAM or Flash Memory

• Optional voice prompt EPROM

• Full duplex speakerphone

• DTMF generation and detection

• Call progress tone detection

• Caller ID recognition

• Direct memory access

• Real time clock

• Equalizer

• Automatic gain control

• Automatic timestamp

• Auxiliary parallel port

• Ultra low power refresh mode

General Features

• SSDI/IOM®-2 compatible interface

• Serial control interface for programming