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ST7554TQF7 Datasheet

  • ST7554TQF7

  • V.90 USB WORLD MODEM CONTROLLER

  • 11頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST7554
V.90 USB WORLD MODEM CONTROLLER
SUMMARY DATA
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GENERAL
USB HOT PLUG & PLAY INTERFACE
DIRECT INTERFACE TO ST MAFE+DAA
CHIP-SET ST75951/ST952 FOR WORLD-
WIDE DAA DESIGN OR TO STLC7550 FOR
TRADITIONAL DAA DESIGN
WINDOWS廬 98 AND NT 5.0 SUPPORT
TAPI 2.0 COMPLIANT
SOFTWARE UPGRADABLE
MINIMUM SYSTEM REQUIREMENTS:
USB MOTHERBOARD, 166MHz PENTIUM廬
PROCESSOR WITH MMX鈩?TECHNOLOGY,
WINDOWS廬 98 AND 16MBYTES RAM OR
WINDOWS廬 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
0.5碌m 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.21
BELL 103 AND BELL 212A
V.17, V.27TER, V.29, FAX CLASS 1 SUPPORT
V.42, V.42BIS, MNP 2, 3, 4, 5
V.80
V.8 AND AUTO MODE
VOICE / FAX / MODEM DISTINCTION
ADPCM VOICE COMPRESSION/DECOM-
PRESSION
VOICE DETECTION (SILENCE DETECTION)
OTHER FEATURES
VIRTUAL UART (460.8Kbps)
AT HAYES COMMAND COMPATIBLE
TIME INDEPENDENT ESCAPE SEQUENCE
(TIES) COMMAND
CALLER ID
TQFP48
(7 x 7 x 1.40mm)
(Full Plastic Quad Flat Pack)
ORDER CODE :
ST7554TQF7
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DTMF DETECTION AND GENERATION
WAKE UP ON RING
WORLD-WIDE PROGRAMMABLE SILICON
DAA SUPPORT FOR ST75951/ST952
MAFE+DAA CHIP-SET
UNIVERSAL SERIAL BUS
SPECIFICATION 1.0, 12MBps FULL SPEED
ON-CHIP USB TRANSCEIVER WITH DIGITAL PLL
COMMUNICATION DEVICE CLASS AND
VENDOR REQUESTS
BUS OR SELF POWERED APPLICATION
(PIN-PROGRAMMABLE)
ONNOW POWER MANAGEMENT (D0, D2, D3)
LOW POWER CONSUMPTION (SUSPEND
MODE D2), WHOLE APPLICATION BELOW
500碌A(chǔ)
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鈥檚 processor. This
product has been developed in cooperation with
Smart Link Ltd, who ported "USB-Modio", its host
based Modem and system software into ST system
and hardware platform. The ST7554 directly con-
nects to ST high performance Modem analog front-
end (MAFE) STLC7550 or to the highly integrated
MAFE+DAA chip-set ST75951/ST952. The ST7554
also features an Universal Serial Bus (USB) inter-
face for direct connection to the host PC for maxi-
mum flexibility and real plug & play operation.
1/11
January 1999
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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