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參數資料
| 型號： | ST7554TQF7 |
| 廠商： | 意法半導體 |
| 英文描述： | V.90 USB WORLD MODEM CONTROLLER |
| 中文描述： | .90 USB世界調制解調器控制器 |
| 文件頁數： | 1/11頁 |
| 文件大?。?/td> | 148K |
| 代理商： | ST7554TQF7 |
ST7554
V.90 USB WORLD MODEM CONTROLLER
.
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
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
.
SINGLE 9.216MHz CRYSTAL OSCILLATOR
.
INTEGRATED ANALOG AND DIGITAL 3.3V
REGULATORS
.
DEDICATED PINS FOR RING, OFF-HOOK,
CLID, LOOP CURRENT SENSE
.
0.5
μ
m CMOS PROCESS
.
TQFP48 (7 x 7 mm) PACKAGE
.
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)
VIRTUAL UART (460.8Kbps)
.
AT HAYES COMMAND COMPATIBLE
.
TIME INDEPENDENT ESCAPE SEQUENCE
(TIES) COMMAND
.
CALLER ID
January 1999
SUMMARY DATA
TQFP48
(7 x 7 x 1.40mm)
(Full Plastic Quad Flat Pack)
ORDER CODE :
ST7554TQF7
.
DTMF DETECTION AND GENERATION
.
WAKE UP ON RING
.
WORLD-WIDE PROGRAMMABLE SILICON
DAA
SUPPORT
MAFE+DAA CHIP-SET
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
μ
A
GENERAL
DEVICE FEATURES
DATA MODEM / FAX / VOICE
OTHER FEATURES
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
FOR
ST75951/ST952
UNIVERSAL SERIAL BUS
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. 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
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