ST70134 Datasheet, PDF (1/8 Pages) STMicroelectronics – ASCOT ADSL MODEM CHIP SET FOR CPE

ST70134 - ST70135A
ASCOT ADSL MODEM CHIP SET FOR CPE
PRODUCT PREVIEW
s COMPLETE CHIP SET FOR ADSL CPE
MODEM
s COMPLIANCE WITH ANSI T1.413 ISSUE
1 & ISSUE 2
s COMPLIANCE WITH G.992.1 (FULL RATE)
& G.992.2 (G. LITE)
s IMPLEMENTS DISCRETE MULTITONE
(DMT) MODULATION AND DEMODULA-
TION ON CPE SIDE
s DATA RATES UP TO 8Mbps DOWNSTREAM
AND TO 1Mbps UPSTREAM WITH 32Kbps
GRANULARITY
s BUILT-IN ATM TRANSPORT
s SUPPORT ADAPTIVE RATE MODE IN
32Mbps INCREMENTS
s 255/128 CARRIERS WITH 4.3125KHz
SPACING
s DEDICATED SOFTWARE DRIVER AVAILABLE
s PROCESSOR INDEPENDENT C++ SOURCE
COMPILATION
s FREQUENCY DIVISION MULTIPLEXING
(FDM) FOR HIGH ROBUSTNESS IN PRES-
ENCE OF CROSSTALK
s REED-SOLOMON FORWARD ERROR
CORRECTION
s TRELLIS CODER AND DECODER
s PROGRAMMABLE SIMULTANEOUS SUP-
PORT OF INTERLEAVED AND NON-INTER-
LEAVED CHANNELS (DUAL LATENCY)
s FULL, REDUCED AND MINIMAL ATM
OVERHEAD FRAMING MODES
s BIT STREAM MODE CAPABLITY FOR STM
TRANSPORT
s DIRECT CONNECTION TO ATM SYSTEMS
VIA UTOPIA INTERFACE (LEVEL 1 OR 2)
s MICROCONTROLLER INTERFACE WITH
16 BITS MULTIPLEXED ADDRESS/DATA
BUS
s LOW POWER TECHNOLOGY: 1.3w TOTAL
s SINGLE 3.3V POWER SUPPLY
s 0 TO +70°C OPERATING TEMPERATURE
RANGE
APPLICATIONS
s HIGH SPEED INTERNET ACCESS
s REMOTE ACCESS TO CORPORATE NET-
WORK FOR TELECOMMUTERS AND
BRANCH OFFICES
s VIDEO-ON-DEMAND OVER TWISTED PAIR
s CPE ADSL MODEMS, AND ROUTERS
s ADSL PC NIC's
s G. LITE CPE SPLITTERLESS APPLICA-
TIONS
TQFP64
PQFP144
ORDERING NUMBERS:
ST70134 (TQFP64)
ST70135A (PQFP144)
April 2000
1/8
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.