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BCM3350
PRODUCT
Brief
OF BENEFITS
BCM3350 QAMLINK (R) SINGLE-CHIP CABLE MODEM
BCM3350 FEATURES SUMMARY
* The highest level of silicon integration ever achieved * The BCM3350 integrates:
* QAMLink transceiver supporting Annex A/B/C operation * DOCSIS/EuroDOCSIS 1.0/1.1 based MAC * High performance 100 MIPS CPU * 10/100 Ethernet MAC and PHY with MII interface * USB 1.1 slave port with integrated transceiver * IPSEC interface including DES, 3-DES, CBC, MD5, SHA algorithm support * TDM interface capable of supporting up to four voice channels
for a DOCSIS/EuroDOCSIS cable modem, integrating all the major silicon components of a cable modem into a single device
* The BCM3350 integrates all the silicon components of
a cable modem, resulting in dramatic overall system cost reduction. ICE support for ease of software development and debug. environments as a result of Broadcom's newest generation of Broadcom QAMLink technology. advanced applications such as Virtual Private Networking (VPN). plug and play external cable modem implementations. MII eliminating the need for any external Ethernet components.
* Includes a 100 MIPS CPU with EJTAG embedded * Displays superior performance in noisy plant * Features a full IPv6 IPSec module to support
* The full USB 1.1 compliant interface enabling simple * The integrated 10/100 Ethernet MAC and PHY with * Includes seamless interface with the BCM4210/4100
features for low-power operation.
* SDRAM interface * External bus interface with eight programmable chip selects * GPIO interface
* 2.5V operation * 352-pin TBGA package
HPNA 1/2 components for low-cost home networking extensions.
* Features a completely static design with powerdown
Low-Cost DOCSIS/EuroDOCSIS Cable Modem
SDRAM
SAW
Tuner
BCM3350
Single-Chip DOCSIS/ EuroDOCSIS 1.0/1.1 Cable Modem
BCM4210 HPNA 2.0 BCM 4100
10/100 Ethernet USB 1.1
RJ-11
FLASH
BCM3350
OVERVIEW
GPIO Port Serial Ports JTAG Port 10-bit DAC
Amp/Tuner Control
Clock Gen & PLLs
D-CACHE I-CACHE
Timers
PIC
Peripheral Bus
MIPS R3000 CPU with EJTAG Interface Peripheral Bus Bridge
Upstream MAC BPI Interface Downstream MAC 16-channel US DMA Reg Interface Two-channel DS DMA
DMA Controller & Central Arbiter 16-bit External Bus Interface
QPSK/16QAM Modulator
Starvue MCNS/DAVIC FEC
Direct TDM CODEC Interface
Register Interface
QAM Demodulator ITU-T J.83 Annex A/B/C FEC
32-bit SDRAM Controller
10-bit ADC
USB Device Controller
USB XVER
Acquisition and Tracking Loops
FEC Memory
SPI
IP Security Module
10/100BASE-TX Ethernet MAC
10/100BASE-TX Transceiver
The Broadcom BCM3350 represents a new level of costreduction for DOCSIS/EuroDOCSIS cable modems. Key modules integrated in the BCM3350 include: * 64/256 QAM receiver which supports direct IF sampling with an integrated 10-bit A/D converter and a ITU-J.83 Annex A/B/C compatible decoder. QPSK/16QAM transmitter consisting of programmable DOCSIS/EuroDOCSIS and DAVIC FEC encoder, with preequalization filter and a 10-bit D/A converter with output power control. * DOCSIS/EuroDOCSIS 1.0/1.1 based MAC supports an integrated DES encryption/decryption engine, and QoS, support for 16 SIDS in the downstream, 16 destination address filters, 256 multicast DA filters and 16 independent upstream queues for QoS, as well as extended network management MIB/diagnostic features * 100 MIPS R3000 processor with 4K two-way set associative I-cache and a 4K two-way associative D-cache. * Full-speed USB 1.1 interface supports concurrent operations of control, bulk, isochronous and interrupt endpoints. It also supports USB standard commands, as well as class/vendor specific commands.
* 10/100 Ethernet Transceiver and Media Access Controller (MAC) with MII. The transceiver/MAC performs all of the functions for 100BASE-TX Ethernet in full- or halfduplex mode over Category (CAT) 5 twisted pair cable and 10BASE-T Ethernet in full- or half-duplex mode over CAT 3, 4, or 5 twisted pair cable. * IPSec module with single-DES (CBC & ECB modes), triple-DES (CBC & ECB modes), MD-5 and SHA authentication in hardware providing support for application in Virtual Private Networks (VPN). * TDM four-wire serial interface with variable timeslots from 2-32 that can be assigned to one of four transparent input/output channel controllers enabling support for up to four voice channels or one video (384 Kbs) and one voice channel. The BCM3350 represents the first silicon solution that integrates all the key silicon components of a cable modem into a single device, reducing the overall cost and complexity of cable modem products. Ordering Information: BCM3350KPP BCM3350IPB Commercial Temperature Grade Industrial Temperature Grade
Broadcom(R), the pulse logo and QAMLink are registered trademarks of Broadcom Corporation and/or its subsidiaries in the United States and certain other countries.
For more information please contact us at: Phone: 949-450-8700, FAX: 949-450-8710 Email: info@broadcom.com
Visit our web site at: www.broadcom.com
(c) 2001 BROADCOM CORPORATION 3350-PB03-R-4.20.01
BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013

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