Product Summary

The BCM3349KFBG is a 2.0 high-performance, single-chip cable modem. The BCM3349KFBG combines an RF receiver with an advanced QAM and S-CDMA demodulator, an advanced QAM transmitter, a complete DOCSIS 2.0 Media Access Controller (MAC), a 200-MHz MIPS32 communication processor, a 16-bit, 100-MHz SDRAM interface, 10/100 Ethernet MAC with integrated transceiver and MII Interface, and a USB MAC with integrated transceiver.

Features

BCM3349KFBG features: (1)DOCSIS/EuroDOCSIS 2.0 cable modem providing unprecedented levels of integration and performance; (2)High performance 200 MHz MIPS32 CPU; (3)Advanced QAMLink transceiver supporting Annex A/B/C operation; (4)DOCSIS/EuroDOCSIS 2.0 MAC with 16 SIDS; (5)Advanced QAMLink downstream demodulator supporting 4 QAM – 1024 QAM; (6)Advanced QAMLink upstream modulator supporting 2 QAM – 256 QAM with S-CDMA; (7)Upstream power amplifier; (8)IEEE 802.3 10/100 Ethernet MAC and PHY; (9)USB 1.1 slave port with integrated transceiver; (10)100-MHz SDRAM interface; (11)Single 28-MHz reference crystal; (12)Voltage regulators for single voltage system operation; (13)Advanced RF and control interface to Broadcom BCM3419 silicon tuner; (14)Expansion bus for peripherals such as 802.11 and/or VoIP; (15)SmartSpectrum noise immunity technology; (16)Propane packet accelerator; (17)TurboQAM performance enhancement; (18)Sixth-generation technology; (19)316-pin PBGA package.

Diagrams

BCM3349KFBG block diagram

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