®
BCM6411/BCM6421
LOW-POWER HIGH BIT RATE CENTRAL OFFICE MULTI-DSL CHIPSET
BladeRunner™ Central Office ADSL System
•Low-power, high bit rate Central Office ADSL solution
•High-density two-chip solution implements 12 channels of
full-rate ADSL2+
•Small modem footprint and low component count
•Complete standards support: ANSI T1.413 Issue 2; ITU
G.992.1 Annex A, B, C, I, and H; ITU G.992.1 ADSL Quad
Spectrum, G.992.2 (G.lite); ITU G.992.3 (ADSL2) Annex A,
B, L, and M; ITU G.992.5 (ADSL2+) Annex A, B, and M
•CPE-less Design for Manufacturing™ and diagnostic tools
•Superior performance enabling converged Voice, Data,
and Video services over high bit rate DSL.
•Proven worldwide ADSL, ADSL2, and ADSL2+
interoperabxility.
•System-wide power management capabilities deliver
unmatched low-power consumption.
•No external devices required (memory and local
processor).
•Designed to support a wide range of line driver devices.
•Shared clock and power supplies reduce line card cost.
•Embedded test tools further reduce line card qualification
cost.
•Comprehensive reference design documentation and
design-in support provided.
FEATURES SUMMARY OF BENEFITS
BCM6411
12-Channel DSL
Digital Transceiver
IC
BCM6421
12-Channel
xDSL Integrated
AFE IC
UTOPIA 2
SPROM
(optional)
12 off
AFE Line
Interface
AFE Line
Interface
35.328-MHz
Clock
CTRLWR
CLK
TX
RX
SYNC
External
Controller
(optional)
GPIO
BCM6411/BCM6421 OVERVIEW
®
Phone: 949-450-8700
Fax: 949-450-8710
E-mail: info@broadcom.com
Web: www.broadcom.com
BROADCOM CORPORATION
16215 Alton Parkway, P.O. Box 57013
Irvine, California 92619-7013
© 2004 by BROADCOM CORPORATION. All rights reserved.
6411_6421-PB00-R 05/17/04
Broadcom®, the pulse logo, and Connecting everything® are trademarks of Broadcom Corporation and/
or its subsidiaries in the United States and certain other countries. All other trademarks mentioned are the
property of their respective owners.
The BCM6411 and BCM6421 devices are the second generation of
Broadcom's BladeRunner™ low-power chipsets designed for advanced
DSLAM and DLC systems.
Powered by Broadcom’s ultra-high performance FirePath™
communications processor and optimized xDSL algorithms, the
BCM6411 programmable digital design serves as a platform for high-
density multi-DSL digital transceivers.
The BCM6411 12-channel DSL digital transceiver IC is supplied in a
27 mm x 27 mm plastic BGA (336-ball) package. The BCM6421 12-
channel xDSL AFE IC is supplied in a 23 mm x 23 mm plastic BGA
(208-ball) package. Both devices are pin-compatible replacements for
the first-generation BCM6410 and BCM6420 chipset.
The single-build firmware for the BCM6411/BCM6421 chipset
supports auto-detected ANSI T1.413 Issue 2, ITU G.992.1 Annex A, B,
C, I, and ADSL Quad Spectrum, ITU G.992.2 (G.lite), ITU G.992.3
(ADSL2) Annex A, B, L, and M, and ITU G.992.5 (ADSL2+) Annex A,
B, and M (Double Upstream) giving complete support for high data rates
up to 40 Mbps downstream and 5 Mbps upstream.
The BCM6411 soft modem implementation enables future firmware
upgrades and evolution to new standards in very short design cycles.
Upgrades are supplied to customers as required for all firmware releases
using the same hardware design for all Annexes.
CPE Interoperability
The BladeRunner solution has proven interoperability with a broad range
of ADSL and ADSL2 CPEs. Detailed interoperability and performance
reports are available to customers via DocSAFE or upon request.
Host Messaging Interface Definition
The BladeRunner chipset is managed via a high-level messaging
interface supported either on a local processor or over the in-band
management channel. Comprehensive definition of the Host Messaging
Interface is available to customers and full design-in assistance is
provided, including example host code and graphical user interfaces.
Reference Line Card Designs
The BCM96438 is a 1U IP-DSLAM “pizza box” featuring 48 lines of
ADSL2+ with generic 100/1000BASE-T Ethernet uplink connectivity,
providing a reference for customer designs. The BCM96438 board
demonstrates the high channel density capability of the Broadcom
solution, verifying CPE interoperability, and showcases the viability of
low-cost volume production. Broadcom provides line card design
expertise as an integral part of the design support activity.
Evaluation Systems
Broadcom has produced several evaluation systems that use modular 12-
port reference line card designs to quickly prototype working multi
channel ADSL modems. This allows customers to evaluate the benefits
of using Broadcom’s BladeRunner ADSL chipset and provides a
development platform for system/product prototyping.
Software Development Environment
Broadcom has created a sophisticated software development
environment with which to design, build, and verify the software base for
its FirePath processor core and its ADSL applications.
This environment includes a comprehensive commercially available tool
chain of processor simulators, assemblers, optimizing compilers, and
debugging tools. The software environment includes a robust real-time
operating system and flexible software architecture. Utilizing the tool-
chain, Broadcom tailors the chipset firmware’s functionality to meet
customers’ specific requirements.
Product Documentation
Broadcom provides customers with comprehensive documentation to
support the reference designs ranging from data sheets, application
notes, schematics, Gerber files, PCB layout files, BOM, and technical
reference manuals. All documentation is available from DocSAFE:
Broadcom’s secure, web-based document management system.
For more information, contact your local Broadcom sales representative
of Ernest Muhigana at ernest.muhigana@broadcom.com.
