PSB2168中文资料西门子数据手册PDF规格书

Overview

The PSB 2168 provides a solution for an embedded answering in an IOM®-2 based system.

The chip features recording by DigiTape™, a family of high performance algorithms. Messages recorded with DigiTape™ can be played back with variable speed without pitch alteration. Messages recorded with a higher bitrate can be converted into messages with a lower bitrate arbitrarily. Current members of DigiTape (TM) span the range from 3.3 kbit/s to 10.3 kbit/s.

特性 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

• 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

• Master clock generation for common codecs