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BCM3349 参数 Datasheet PDF下载

BCM3349图片预览
型号: BCM3349
PDF下载: 下载PDF文件 查看货源
内容描述: 高级QAMLINK㈢ DOCSIS -R 2.0高性能,单芯片CABLE MODEM [ADVANCED QAMLINK㈢ DOCSIS-R 2.0 HIGH-PERFORMANCE, SINGLE-CHIP CABLE MODEM]
分类和应用: 电缆调制解调器
文件页数/大小: 2 页 / 179 K
品牌: BOARDCOM [ Broadcom Corporation. ]
 浏览型号BCM3349的Datasheet PDF文件第2页  
BCM3349
®
ADVANCED QAMLINK
®
DOCSIS
®
2.0 HIGH-PERFORMANCE,
SINGLE-CHIP CABLE MODEM
FEATURES
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
SUMMARY OF BENEFITS
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.
316-pin PBGA package
High-Performance, Single-Chip DOCSIS
®
/EuroDOCSIS™ 2.0 Cable Modem