(China (Mainland))
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 receiver 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. The BCM3349KPBG supports variable symbol rate 4/16/32/64/128/256/512/1024-QAM FEC decoding. The final received data stream is delivered in a serial MPEG-2 transport format. All gain, clock, and carrier, acquisition and tracking loops are integrated in the QAM receiver.
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/C operation; (3)DOCSIS/EuroDOCSIS 2.0 MAC with 16 SIDS; (4)Advanced QAMLink downstream demodulator supporting 4 QAM – 1024 QAM; (5)Advanced QAMLink upstream modulator supporting 2 QAM – 256 QAM with S-CDMA; (6)Upstream power amplifier; (7)IEEE 802.3 10/100 Ethernet MAC and PHY; (8)USB 1.1 slave port with integrated transceiver; (9)100-MHz SDRAM interface; (10)Single 28-MHz reference crystal; (11)Voltage regulators for single voltage system operation; (12)Advanced RF and control interface to Broadcom BCM3419 silicon tuner; (13)Expansion bus for peripherals such as 802.11 and/or VoIP; (14)Sixth-generation technology; (15)316-pin PBGA package.
Diagrams
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