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ST7554 - V.90 USB WORLD MODEM CONTROLLER

Description

The ST7554 is a single chip host signal processing Modem/fax/voice controller that supports data rates up to 56Kbps.

All data pump and protocol functions are executed on the host PC’s processor.

Features

  • SINGLE 9.216MHz.

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Full PDF Text Transcription

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ST7554 V.90 USB WORLD MODEM CONTROLLER SUMMARY DATA . . . . . . . . . . . . . . . . . . . . . . . . . . GENERAL USB HOT PLUG & PLAY INTERFACE DIRECT INTERFACE TO ST MAFE+DAA CHIP-SET ST75951/ST952 FOR WORLDWIDE DAA DESIGN OR TO STLC7550 FOR TRADITIONAL DAA DESIGN WINDOWS® 98 AND NT 5.0 SUPPORT TAPI 2.0 COMPLIANT SOFTWARE UPGRADABLE MINIMUM SYSTEM REQUIREMENTS: USB MOTHERBOARD, 166MHz PENTIUM® PROCESSOR WITH MMX™ TECHNOLOGY, WINDOWS® 98 AND 16MBYTES RAM OR WINDOWS® NT 5.0 AND 32MBYTES RAM DEVICE FEATURES SINGLE 9.216MHz CRYSTAL OSCILLATOR INTEGRATED ANALOG AND DIGITAL 3.3V REGULATORS DEDICATED PINS FOR RING, OFF-HOOK, CLID, LOOP CURRENT SENSE 0.5µm CMOS PROCESS TQFP48 (7 x 7 mm) PACKAGE DATA MODEM / FAX / VOICE V.90 V.34BIS, V.34, V.32BIS, V.32, V.22BIS, V.22, V.23, V.
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