VOICE OVER ENGINE FEATURES BCM1112 most highly integrated silicon

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VOICE OVER ENGINE FEATURES BCM1112 most highly integrated silicon

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BCM1112
VOICE OVER ENGINE
FEATURES BCM1112 most highly integrated silicon solution
Ethernet Residential Gateway Stand-Alone Media Terminal Adapter applications. BCM1112 Integrates: 150-MHz MIPS32 (165 DMIPS) with I-cache D-cache Superscalar 108-MHz with dual-MAC (216 MIPS), instruction data Three-port 10/100BASE-T Ethernet switch with buffer memory 10/100BASE-T Ethernet PHYs with in-line power over Ethernet support Three wideband audio ADCs DACs Ethernet status driver IOM-2® port UARTs high-speed serial ports General purpose Interrupt control unit support unit SDRAM interface External Interface IEEE 1149.1 (JTAG) 0.18u process technology, 1.8/3.3V
SUMMARY BENEFITS 10/100BASE-T Ethernet Switch with 802.1p/Q Support
802.1p Ensures voice packets minimizes latency 802.1Q VLAN support allows segmenting physical networks into multiple logical networks MIPS32 burdened data packet processing, leaving more cycles application program Enables wire-speed non-blocking operation Blocks unnecessary traffic learning local addresses Segments network, preventing restriction number hops 150-MHz MIPS32 Support VoIP Gateway applications: Full client implementation G.711, G.726, G.729A/AB G.723.1/A relay (T.38, V.17, V.29, V27ter) voice channels, voice channel channel, third channel limited G.711 voice 10/100BASE-T Ethernet MACs PHYs Integrates support Modified Link Pulse in-line power specification Compliant with 802.3af power over Ethernet standard Provides Auto MDI/MDIX enabling straight crossover cables either port Wideband Audio CODECs Enables support emerging wideband vocoding standards
1.1W peak, 0.3-0.8W standby modes 256-PBGA package enables 4-layer designs Compatible with BCM1101 HARDWARE PLATFORMS BCM91112SMTA Reference Platform
Ethernet Residential Gateway reference design PacketCable SMTA reference design
OVERVIEW
Uart
Uart
GPIOs
External Interrupt Controller
GPIOs
Peripheral Watchdog Timer MIPS32 I-Cache D-Cache MIPS JTAG Analog Processor Module CODEC Channel CODEC Channel CODEC Channel 16-bit 16-bit 10BT/100BT Auto-MDIX 10BT/100BT Auto-MDIX Program Memory Data Memory JTAG
Bridge
Timers
High Speed Serial Port High Speed Serial Port IOM-2 Port External Interface SDRAM Interface Flash/ EPROM
port port
Port Ethernet Switch
port
System
SDRAM
Ethernet Driver
64KB Buffer Memory
Arbiter
Broadcom BCM1112 represents level integration Ethernet Residential Gateway Stand-Alone Media Terminal Adapter applications. modules integrated BCM1112 include: MIPS32 processor with 2-way associative I-cache 2-way associative D-cache. This supports VoIP protocol stacks, jitter buffer management, application program. Programming done Broadcom's object-oriented signal processing API. with instruction data RAM. supports wide range vocoders, modems, variety telephony algorithms (e.g., DTMF Call Progress Tones). Analog Codecs. Three ADCs DACs integrated, eliminating need analog switch allow sharing codec between multiple interfaces.
10/100BASE-T Ethernet Switch, Media Access Controllers, Transceivers. three-port Ethernet switch integrates three fullduplex capable Media Access Controllers (MACs), Serial Management Port, address resolution engine, non-blocking switch controller, internal switch memory, 802.1p prioritization voice packets, 802.1Q VLAN tagging support segmenting physical networks into multiple logical networks, Management Information Base (MIB) statistics registers. transceivers perform functions 100BASE-T Ethernet full- half-duplex mode over Category (CAT) twisted pair cable 10BASE-T Ethernet full- half-duplex mode over twisted pair cable. They support Auto MDI/MDIX detection allow cable type either port. transceivers also integrate support in-line powering over Ethernet. BCM1112 integrates silicon components Ethernet Gateway into single device, thereby reducing overall system cost complexity Terminal Adapter products, while same time increasing their voice quality reliability network which they attached.
Broadcom®, pulse logo, Connecting everything®, Connecting everything logo among trademarks Broadcom Corporation and/or affiliates United States, certain other countries and/ other trademarks trade names mentioned property their respective owners.
BROADCOM CORPORATION 16215 Alton Parkway, P.O. 57013 Irvine, California 92619-7013
2004 BROADCOM CORPORATION. rights reserved. 1112-PB02-R 02/23/05
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VOICE OVER ENGINE FEATURES BCM1112 most highly integrated silicon

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