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CopperWing12| Datasheet

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CopperWing12| Datasheet

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CopperWing12
ADSL Central Office (CO) Chipset: STLC61256/55 + STLC60454 + STLC60243
DATA BRIEF

1

GENERAL DESCRIPTION

The CopperWing12 ADSL Chipset family targets a complete set of solution for Central Office (CO) ADSL technology integrating also processing and management capability to provide the best solution for ATM/IP DSLAM, ATM/IP mini DSLAM and "Pizza" boxes. The chipset integrates all ADSL/ ADSL2+ functions from ATM/IP interfaces to the line in three devices: Two data pump chip options: STLC61255: 12 channels ATM ADSL Data Pump STLC61256: 12 Channels ATM/IP ADSL data Pump with embedded Cell Processor

CopperWing12 chipset family provides Ethernet and ATM interfaces to fit IP and ATM based Remote Unit or CO line cards; it provides also a general purpose controller to allow the development of controller-less line cards. The Modem Control Software runs entirely on the DMT Transceiver (no external memory needed for Interleave memory nor modem SW): the line card host controller is in charge only of high-level management operation. The chipset is able to support not only the current ADSL standards, but also ADSL2 and ADSL+ (12 channels). With only 1 square inches and less than 1 Watt per channel (in ADSL mode, 1.15W/line in ADSL+ mode), the Copperwing12 chipset is one of the most competitive solutions for CO ADSL application. The chip set supports also ADSL+ mode to deliver higher bit rate (24Mb/s) on short loops while with Reach Extended ADSL is able to guarantee high reach performance.

STLC60454: 4 Ch ADSL/ADSL2+ AFE with integrated receiver and LP filters STLC60243: Dual channel Line Driver

Figure 1. Chipset Architecture Overview

Flash ROM

Host CPU

Ob

ro P ATM/ ete POS ol s STM/
Utopia In-Band Serial

uc d

s) t(

SDRAM

so Ob -

te le

ro P

uc d

s) t(

STLC60454 Quad AFE

STLC60243 Dual Line Driver

STLC61256 Twelve ADSL STLC60454 Quad AFE

Transceiver with PerFlow

RMII/ SMII/ ATM

STLC60454 Quad AFE

STLC60243 Dual Line Driver

Serial Host interface
REV. 1 1/8

June 2004
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.


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