Product Summary

The BCM3349KPBG is 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. The BCM3349KPBG directly samples a tuner output with a 11-bit A/D converter and input ACG amplifier. The BCM3349KPBG digitally resamples and demodulates the signal with recovered clock and carrier timing, filters and equalizes the data and passes soft decisions to an ITU-T J.83 Annex A/B/C compatible decoder.

Parametrics

BCM3349KPBG absolute maximum ratings: (1)analog output: 0 MHz – 65 MHz.


Features

BCM3349KPBG features: (1)High performance 200 MHz MIPS32 CPU; (2)Advanced QAMLink transceiver supporting Annex A/B/Coperation DOCSIS/EuroDOCSIS 2.0 MAC with 16 SIDS; (3)Advanced QAMLink downstream demodulator supporting4 QAM – 1024 QAM; (4) Advanced QAMLink upstream modulator supporting2 QAM – 256 QAM with S-CDMA; (5)Upstream power amplifier; (6)IEEE 802.3 10/100 Ethernet MAC and PHY; (7)USB 1.1 slave port with integrated transceiver; (8)100-MHz SDRAM interface; (9)Single 28-MHz reference crystal; (10)Voltage regulators for single voltage system operation; (11)Advanced RF and control interface to Broadcom BCM3419silicon tuner; (12)Expansion bus for peripherals such as 802.11 and/or VoIP.

Diagrams

BCM3349KPBG block diagram

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