器件名称: ST70134
功能描述: ASCOT ADSL MODEM CHIP SET FOR CPE
文件大小: 130.84KB 共8页
简 介:ST70134 - ST70135A
ASCOT ADSL MODEM CHIP SET FOR CPE
PRODUCT PREVIEW
s COMPLETE CHIP SET FOR ADSL CPE
MODEM
s MICROCONTROLLER INTERFACE WITH
16 BITS MULTIPLEXED ADDRESS/DATA BUS
s COMPLIANCE WITH ANSI T1.413 ISSUE
1 & ISSUE 2
s LOW POWER TECHNOLOGY: 1.3w TOTAL s SINGLE 3.3V POWER SUPPLY s 0 TO +70°C OPERATING TEMPERATURE
RANGE APPLICATIONS
s COMPLIANCE WITH G.992.1 (FULL RATE)
& G.992.2 (G. LITE)
s IMPLEMENTS
DISCRETE MULTITONE (DMT) MODULATION AND DEMODULATION ON CPE SIDE AND TO 1Mbps UPSTREAM WITH 32Kbps GRANULARITY
s DATA RATES UP TO 8Mbps DOWNSTREAM
s HIGH SPEED INTERNET ACCESS s REMOTE ACCESS TO CORPORATE NETWORK FOR TELECOMMUTERS BRANCH OFFICES AND
s BUILT-IN ATM TRANSPORT s SUPPORT ADAPTIVE RATE MODE IN
32Mbps INCREMENTS
s 255/128
SPACING
CARRIERS
WITH
4.3125KHz
s VIDEO-ON-DEMAND OVER TWISTED PAIR s CPE ADSL MODEMS, AND ROUTERS s ADSL PC NIC's s G. LITE CPE SPLITTERLESS APPLICATIONS
s DEDICATED SOFTWARE DRIVER AVAILABLE s PROCESSOR INDEPENDENT C++ SOURCE
COMPILATION
s FREQUENCY
DIVISION MULTIPLEXING (FDM) FOR HIGH ROBUSTNESS IN PRESENCE OF CROSSTALK FORWARD ERROR CORRECTION
s REED-SOLOMON
s TRELLIS CODER AND DECODER s PROGRAMMABLE SIMULTANEOUS SUPPORT OF INTERLEAVED AND NON-INTERLEAVED CHANNELS (DUAL LATENCY) TQFP64 PQFP144
s FULL, REDUCED AND MINIMAL ATM
OVERHEAD FRAMING MODES
s BIT STREAM MODE CAPABLITY FOR STM
TRANSPORT
ORDERING NUMBERS: ST70134 (TQFP64) ST70135A (PQFP144)
s DIRECT CONNECTION TO ATM SYSTEMS
VIA UTOPIA INTERFACE (LEVEL 1 OR 2)……
