BCM93214 features BCM93214 cable modem termination system (cmts) reference design ? provides complimentary system to the bcm93348, docsis 2.0 subscriber cable modem reference design for product development and testing. ? supports docsis/eurodocsis 2.0 fragmentation and concatenation for quality of service (qos). ? provides a highly integrated 6 x 1 cmts reference design. ? accelerates software development by providing source code for core software functionality and low level diagnostics. ? reduces customers? internal development expenses. ? based on broadcom?s field-proven qamlink technology. ? reference design comes complete with: ? schematics and gerber files ? bill of materials (bom) ? data sheets ? software source code and api summary of benefits docsis/eurodocsis 2.0 advanced cable modem termination system ? the BCM93214 is a docsis/eurodocsis-2.0 based cable modem termination system (cmts) reference design incorporating: ? 64/256/512/1024 qam downstream modulation with fec ? qpsk, 16, 32 and 64 qam burst atdma demodulation ? digitally generated if carrier that meets docsis/eurodocsis-2.0 spectral purity requirements without a saw filter ? docsis/eurodocsis programmable downstream transmit if carrier center frequency and channel bandwidth ? master/slave map, reference clock, timestamp synchronization, and 10/100/1000base-t front panel connectors ? bcm3214 mac hardware that simplifies registration, ranging, fragmentation, concatenation, encryption, and payload header suppression ? scheduler support for docsis 2.0 best-effort, polled, and unsolicited grant service flows ? the BCM93214 basic system parameters include: ? a bcm3214 compact pci v2.1 compliant base board with plug in connectors for 64/256/512/1024 qam modulator and atdma/scdma demodulator daughter cards ? support for one qam downstream channel ? support for six programmable upstream channels that support all docsis 2.0 symbol rates and demodulation types ? 10/100/1000base-t network side interface BCM93214
the broadcom BCM93214 qamlink ? docsis/eurodocsis cable modem termination system (cmts) reference design represents the industry?s first complete docsis/eurodocsis- based silicon solution with atdma/scdma upstream and advanced phy downstream functions for the headend cable plant. the BCM93214 cmts supports the docsis/eurodocsis 2.0 specification, enabling qos for the simultaneous processing of voice, video, and data on a prioritized basis. the BCM93214 cmts includes the bcm3040 universal advanced phy qamlink ? modulator, the bcm3214 docsis/eurodocsis 2.0 cmts mac, and the bcm3140 docsis 2.0 atdma/scdma ? and provides all the necessary functionality required to receive and transmit high-rate digital data to and from a cable plant. functions include: ? hardware-supported messaging (ranging, registration, channel configuration) ? physical layer configurations (upstream baud rates, upstream channel descriptor and map variations, and fec code-word size) ? baseline privacy support ? flexible phy and mac parameter settings and performance monitoring the BCM93214 is complemented at the subscriber end by the bcm93348, a docsis/eurodocsis 2.0-based cable modem silicon solution. together, the BCM93214 and the bcm93348 provide vendors with a seamless end-to-end silicon solution for development and testing of an docsis/eurodocsis 2.0-based cable modem and cable modem termination system with atdma/scdma upstream and advanced phy downstream functions. ordering information: BCM93214 cl?docsis cmts BCM93214 -e cl?eurodocsis cmts BCM93214 overview 5-65 mhz upstream bcm3140 bcm3140 routing/ classification engine ethernet system cpu memory pci bus downstream sdram (phs, output queues) bcm3040 advanced qam modulator lpf pa wan 44 mhz if bcm3214 advanced docsis 2.0 cmts mac bcm3140 dual atdma/scdma receiver phone: 949-450-8700 fax: 949-450-8710 email: info@broadcom.com web: www.broadcom.com broadcom ? , the pulse logo, and connecting everything ? are trademarks of broadcom corporation and/or its subsidiaries in the united states and certain other countries. all other trademarks are the property of their respective owners. broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2003 by broadcom corporation. all rights reserved. 93214-pb00-r 06.09.03
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