BCM3349 datasheet(1/2 Pages) BOARDCOM

Part #	BCM3349

Description	ADVANCED QAMLINK짰 DOCSIS-R 2.0 HIGH-PERFORMANCE, SINGLE-CHIP CABLE MODEM

PDF	2 Pages

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Manufacturer	BOARDCOM [Broadcom Corporation.]

Direct Link	http://www.broadcom.com

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BCM3349

®

ADVANCED QAMLINK® DOCSIS® 2.0 HIGH-PERFORMANCE,

SINGLE-CHIP CABLE MODEM

High-Performance, Single-Chip DOCSIS®/EuroDOCSIS™ 2.0 Cable Modem

• DOCSIS

®/EuroDOCSIS™ 2.0 cable modem providing

unprecedented levels of integration and performance

• The BCM3349 integrates:

• High performance 200 MHz MIPS32™ CPU

• Advanced QAMLink® transceiver supporting Annex A/B/C

operation

• DOCSIS/EuroDOCSIS 2.0 MAC with 16 SIDS

• Advanced QAMLink downstream demodulator supporting

4 QAM – 1024 QAM

• Advanced QAMLink upstream modulator supporting

2 QAM – 256 QAM with S-CDMA

• Upstream power amplifier

• IEEE 802.3 10/100 Ethernet MAC and PHY

• USB 1.1 slave port with integrated transceiver

• 100-MHz SDRAM interface

• Single 28-MHz reference crystal

• Voltage regulators for single voltage system operation

• Advanced RF and control interface to Broadcom BCM3419

silicon tuner

• Expansion bus for peripherals such as 802.11 and/or VoIP

• Advanced 2.0+ features:

• SmartSpectrum™ noise immunity technology

• Propane® packet accelerator

• TurboQAM™ performance enhancement

• Sixth-generation technology

• 316-pin PBGA package

• Extreme integration level leads to highly cost-effective BOM.

• Package optimization enables low-cost 2-layer system PCB.

• Integrated upstream power amp and 10/100 Ethernet MAC/

PHY lowers overall system cost.

• Support for DOCSIS/EuroDOCSIS 2.0 enables one device

solution to be used worldwide.

• High speed MIPS

® processor delivers 270 DMIS, a 30–50%

throughput improvement over previous generations

• Advanced QAMLink modulator/demodulator provides

superior performance in noisy plant environments

• 16 SIDs that provide for superior QoS performance and

simultaneous support of high QoS and BE traffic.

• SmartSpectrum delivers multiple dB enhanced robustness in

noisy plant conditions.

• Propane packet acceleration improves throughput and

efficiency up to 3x.

• TurboQAM leads to over 30% increased upstream and

downstream performance.

• Sixth-generation technology delivers an industry-leading,

highly stable and reliable product.

FE A T UR E S

SU MM AR Y O F B E N E FI TS

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