BCM3349 Datasheet, PDF (1/2 Pages) Broadcom Corporation. – ADVANCED QAMLINK® DOCSIS-R 2.0 HIGH-PERFORMANCE, SINGLE-CHIP CABLE MODEM

BCM3349
®
ADVANCED QAMLINK^® DOCSIS^® 2.0 HIGH-PERFORMANCE,
SINGLE-CHIP CABLE MODEM
FEATURES
SUMMARY OF BENEFITS
• 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.
High-Performance, Single-Chip DOCSIS^®/EuroDOCSIS™ 2.0 Cable Modem