high level of integration: ?reduces voip cable modem bom ?reduces part count, increasing reliability ?reduces power consumption proven docsis/eurodocsis baseline architecture, integrated in 70% of the worlds standardized cable modem solutions enhanced reliability of voice services through powerful cpu, robust dsp technology and voice algorithms deployed in millions of ports worldwide. enhances voice quality through advanced feature sets ?propane tm improves upstream channel capacity 300% ?ipsec module supports vpn and secure voice services ?patented packetsync tm minimizes voip packet delays ?power management engine reduces overall consumption integrated homepna 2.0 mac supports high-speed multimedia services over phone lines multiple interfaces provide home networking differentiation interfaces seamlessly to additional broadcom silicon part of a comprehensive system solution: ?low-cost reference design with extensive documentation ?certifiable docsis/eurodocsis 1.1 software ?certifiable packetcable 1.0 cablexchange software qamlink single-chip two-line v o ip broadband gateway ic BCM3351 application block diagram summary of benefits product brief BCM3351 sdram flash usb 1.1 BCM3351 single-chip two-line voice modem homepna 2.0 ebi slic slic rj-11 rj-11 bcm5221 10/100 phy bcm3415 si tuner bcm4100 hpna afe bcm2051 802.11b radio bcm4301 802.11b baseband mac the BCM3351 offers the industry the highest level of functionality integrated into a single-chip, enabling numerous broadband residential gateway services: ?high-speed data access over cable ?primary and secondary line voip/foip ?wireline and wireless home networking the BCM3351 integrates: ?docsis/eurodocsis 1.1 based cable modem with: - enhanced mac with 16 upstream queues - 4-256qam receiver with annex a, b,c fec - 4/16 qam burst modulator ?voip/foip packetcable 1.0 capable solution with: - two channel dsp and g.712/v90 codecs - world line card support - g.168 compliant echo canceller - extensive chip power management ?mips32 cpu with 160 dhrystone 2.1 mips ?32-bit, 100-mhz sdram controller ?integrated ip sec engine ?12-mbps usb 1.1 and 10/100 ethernet mac ?integrated iline32 mbps hpna 2.0 ?16-bit expansion bus interface ?1.8/3.3v, 0 to 70 c operation ?480-pin pbga package BCM3351 features
ebi expansion eeprom (optional) sram (optional) flash 16-bit external bus interface 100-mhz 16-bit dual mac dsp core jtag clock generation module usb 1.1 transceiver qpsk/16qam upstream modulator with 10-bit d/a 64/256qam downstream modulator with 10-bit a/d iline32 32-mbps hpna mac/phy 802.3u ethernet mac usb 1.1 mac enhanced docsis 1.1 mac with bpi + 802.3u mii usb 1.1 twisted pair 0?5 mhz rf amp ctl 36/44 mhz if tuner ctl hpna afe 4-wire differential audio slic control leds/misc pcm hook detect ch0 ch1 ch0 ch1 ch0 ch1 48k words data sram 80k words pro gram sram pcm interface audio processor dsp/pb interface dsp/isb interface dma ipsec encryption engine pb bridge gpio interrupt control dual uart timers 16/32-bit sdram interface internal system bus 140-mhz mips32 mips core with mips32 extensions 8-kb i-cache 4-kb d-cache peripheral bus 64-mb 100-mhz sdram BCM3351 voice afe with a/d-d/a the broadcom BCM3351 represents a new and unprecedented level of integration for packetcable multimedia terminal adapters (mtas). the BCM3351 provides a unique solution for low-power and cost-effective mtas that can deliver primary line or secondary line voip cable telephony and broadband date services to the home worldwide. key modules integrated in the BCM3351 include: enhanced voip docsis/eurodocsis 1.0/1.1 based mac integrates a wirespeed des encryption/decryption engine, full docsis/eurodocsis 1.1 qos, support for 16 sids in the downstream, 256 multicast and unicast da cam, 16 independent dma controlled upstream queues, as well as extended network management mib and diagnostic features. ?100+ mip voip/foip dsp with patented packetsync tm , supports two primary lines of compressed voice packets including g.711, g.729a/e and g.728 vocoders, plus t.38 fax relay. simultaneously it can support two secondary lines of g.711 for class services such as three-way calling and caller id. integrated two-line flexivoice voice codec with individual line programmable filter coefficients, providing optimum performance for both v.90 modem and voice applications. ?high-performance 160 mips, 140-mhz mips32 processor has an 8k two-way set associative i-cache and a 4k two-way associative d-cache. broadcom propane software supports enhanced bandwidth efficiency and turbo modem performance. ipsec module with single-des (cbc and ecb modes), triple- des (cbc and ecb modes), md-5 and sha authentication in hardware provides support for virtual private networks (vpns). ?integrated iline32 hpna 2.0 home phone line interface eliminates hundreds of dollars worth of additional telephone and ethernet wiring. integrated 10/100 ethernet mac supports small business integrated access device applications. ordering inf ormation: BCM3351 qamlink single-chip two-line voip broadband gateway ic bcm93351vcm reference design BCM3351 overview phone: 949-450-8700 fax: 949-450-8710 email: info@broadcom.com web: www.broadcom.com broadcom , the pulse logo , qamlink , iline32 tm , flexivoice tm , propane tm , packetsync tm and connecting everything tm 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 ? 2002 by broadcom corporation. all rights reserved. 3351-pb03-r-4.24.02
|
