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| BCM1100 PRODUCT BCM1100 VOICE OVER IP Brief CPE OF ETHERNET SUMMARY ENGINE BCM1100 FEATURES BENEFITS * The BCM1100 is the most highly integrated silicon solution for Voice over IP Enterprise Phone and Ethernet Residential Gateway applications. * 10/100BASE-T Ethernet Switch with 802.1p Support * Ensures QoS for voice packets and minimizes latency * MIPS32 CPU not burdened by data packet processing, leaving more cycles for application program * Enables wire-speed non-blocking operation * Blocks unnecessary traffic by learning local MAC addresses * Segments network, preventing any restriction on number of hops * The BCM1100 Integrates: * 100 MHz MIPS32 CPU (110 DMIPS) with 4K I-cache and 4K D-cache * Superscalar 140 MHz ZSP DSP with dual-MAC (280 MIPS), 48K instruction and 32K data RAM * Three-port 10/100BASE-T Ethernet switch with 64K buffer memory * Two 10/100BASE-T Ethernet PHYs * Three wideband audio ADCs and DACs * 9x9 keyscan controller * Ethernet status LED driver * TDM interface supporting IOM-2(R) * Two UARTs * Two high-speed serial ports * General purpose I/O * Interrupt control unit * DMA support unit * SDRAM interface * External Bus Interface * IEEE 1149.1 (JTAG) * 100 MHz MIPS32 CPU Supporting: * H.323, H.248/Megaco and SIP * Application program * 140 MHz DSP Supporting: * * * * * G.711, G.726, G.729A/AB/E, G.723.1/A, G.728 Half- and full-duplex speakerphone operation Two- and three-channel conferencing Fax relay (T.38, V.17, V.29, V27ter) Ancillary telephony algorithms * 10/100BASE-T Ethernet MACs and PHYs * Provides Auto MDI/MDIX enabling the use of straight or crossover cables in either port * 1.8/2.5/3.3V Operation * 1.8W Low Power 0.18u Process Technology * 256 PBGA Package HARDWARE PLATFORMS * Wideband Audio CODECs * Enables support of emerging wideband vocoding standards * Glueless Interface to BCM4210/4100 HPNA MAC and AFE Devices * Enables low-cost home networking IP phone prototyping * BCM91100 Reference Platform plastics * Complete Ethernet IP Phone reference design in phone * BCM91100SV Reference Platform * Ethernet Residential Gateway reference design BCM1100 OVERVIEW Master SPI Port Uart 0 Uart 1 18 GPIOs Ext. Interrupt Controller Keypad Scan Controller Peripheral Bus IPB Bridge Watchdog Timer Timers MIPS32 CPU + 4K I-Cache + 4K D-Cache MIPS JTAG ZSP JTAG High Speed Serial Port 2 High Speed Serial Port 1 Analog Processor Module (APM) CODEC Channel 3 CODEC Channel 2 CODEC Channel 1 14 bit D/A 14 bit A/D 100 MHz CPU System Bus 48 KB Program Memory ZSP DSP 32 KB Data Memory TDM Port 50 MHz External Bus Interface Flash/ EPROM 10BT/100BT Auto-MDIX Phy 10BT/100BT Auto-MDIX Phy port 0 port 1 3 Port Ethernet Switch port 2 SDRAM Interface SDRAM Ethernet LED Driver 64KB Buffer Memory DMA Arbiter BCM1100 VoIP Ethernet CPE Engine The Broadcom BCM1100 represents a new level of integration for enterprise Ethernet IP Phone and small gateway applications. Key modules integrated in the BCM1100 include: * MIPS32 100 MHz processor with 4K 2-way set * 10/100BASE-T Ethernet Switch, Media Access associative I-cache and a 4K 2-way associative D-cache. This MCU supports the VoIP protocol stacks, jitter buffer management, and application program. Programming is done in C, on top of Broadcom's objectoriented signal processing API. * ZSP 140 MHz DSP with 48K instruction and 32K data RAM. The DSP supports a wide range of vocoders, acoustic echo cancellation for full-duplex speakerphone, fax modems, and a variety of telephony algorithms (e.g., DTMF and Call Progress Tones). * Analog Codecs. Three ADCs and DACs are integrated, Controllers, and Transceivers. The three-port Ethernet switch integrates three full-duplex capable Media Access Controllers (MACs), a Serial Management Port, an address resolution engine, a non-blocking switch controller, 64K of internal switch memory, 802.1p prioritization for voice packets, and a set of Management Information Base (MIB) statistics registers. The two transceivers perform all of the functions for 100Base-T Ethernet in full- or half-duplex mode over Category (CAT) 5 twisted pair cable and 10BASE-T Ethernet in full- or half-duplex mode over CAT 3, 4, or 5 twisted pair cable. They support Auto MDI/MDIX detection to allow the use of any cable type in either port. The BCM1100 represents the first silicon solution that integrates all the key silicon components of an Ethernet IP Phone into a single device, thereby reducing the overall system cost and complexity of Enterprise IP Phone products, while at the same time increasing their voice quality and the reliability of the network to which they are attached. eliminating the need for an analog switch to allow the sharing of a codec between multiple interfaces. Broadcom(R) and the pulse logo are registered trade marks of Broadcom Corporation and/or its subsidiaries in the United States and certain other countries. IOM-2 is a registered trademark of Infineon Technologies AG. For more information please contact us at: Phone: 949-450-8700, FAX: 949-450-8710 Email: info@broadcom.com Visit our web site at: www.broadcom.com (c) 2000 BROADCOM CORPORATION 1100.PB03-R-1.25.01 BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013 |
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