PSB4860 Ver la hoja de datos (PDF) - Infineon Technologies

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PSB4860

ICs for Communications Sophisticated Answering Machine with Echo Cancellation SAM-EC

Infineon Technologies 

Sophisticated Answering Machine with Echo

Cancellation

SAM

PSB 4860

Version 4.1

1.1

Features

CMOS

Digital Functions

• High performance recording by DigiTape™

• Selectable compression rate (3.3, 5.6 or 10.3 kbit/s)

• Variable playback speed

• Support for DRAM/ARAM or Flash Memory (5V,

3.3V)

P-MQFP-80-1

• x1, x4 and x8 ARAM/DRAM supported

• Optional voice prompt EPROM

• Up to four serial or parallel flash devices supported (Atmel, Toshiba, Samsung)

• Audio data transfer via serial control interface (SCI) possible

• Full duplex speakerphone by acoustic echo cancellation

• DTMF generation and detection

• Call progress tone detection

• Caller ID decoder

• Caller ID sender

• Direct memory access

• Real time clock

• Equalizer for transducer/microphone frequency response correction

• Automatic gain control

• Automatic timestamp

• Universal tone detector

• Three data channels (IOM®-2 compatible interface)

• Auxiliary parallel port with optional interrupt generation

• Ultra low power refresh mode

• Emergency shut-down (fast parameter saving into flash device)

• Backward compatible with PSB 4860 V2.1 (hardware and software)

Type

PSB 4860

Data Sheet

Package

P-MQFP-80-1

12

2000-01-14

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