BCM1115 Просмотр технического описания (PDF) - Broadcom Corporation

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BCM1115

SINGLE-PORT VOICE OVER IP ETHERNET CPE ENGINE

Broadcom Corporation 

BCM1115

®

SINGLE-PORT VOICE OVER IP ETHERNET CPE ENGINE

FEATURES

SUMMARY OF BENEFITS

• The BCM1115 is the most highly integrated silicon solution for

mid-range 1-Ethernet port Voice over IP Enterprise Phone and

Ethernet Residential Gateway applications.

• The BCM1115 integrates:

• 100-MHz MIPS32 CPU (110 DMIPS) with 8 KB of I-cache

and 4 KB of D-cache

• Superscalar 108 MHz ZSP DSP with dual-MAC (216 MIPS),

48 KB of instruction RAM and 32 KB of data RAM

• One 10/100BASE-T Ethernet PHY with in-line power over

Ethernet support

• Two wideband audio DACs and ADCs

• 9x9 keyscan controller

• Ethernet status LED driver

• TDM IOM-2® port

• Two UARTs

• Two high-speed serial ports

• General purpose I/O

• Interrupt control unit

• DMA support unit

• SDRAM interface

• External Bus Interface

• EEE 1149.1 (JTAG)

• 0.18u process technology, 1.8/3.3 V

• 0.95W peak, 0.3-0.8W standby modes

• 256-pin PBGA package enables 4-layer PCB designs

• Pin and Software compatible with BCM1101, BCM1112,

BCM1113, BCM1113R, and BCM1115R ICs

• 87.5 MHz MIPS32 CPU and 108 MHz DSP Support

• In IP phone applications

- VxWorks® Operating System

- SIP, H.323, H.248/Megaco, and MGCP

- G.711, G.726, G.729A/AB, G.723.1/A, G.722.1 and

BroadVoice®

- Full-duplex speakerphone operation

- Handset echo suppression

- Two- and three-channel conferencing

- Enhanced Packet Loss Concealment

- Paging (via a G.711 channel)

- User application software

• In VoIP gateway applications

- VxWorks Operating System

- SIP, H.323, H.248/Megaco, and MGCP

- G.711, G.726, G.729A/AB, G.723.1/A, and BroadVoice

- Line echo cancellation

- Conferencing support

- Enhanced Packet Loss Concealment

- User application software

• 10/100BASE-T Ethernet MAC and PHY

• Integrates support for Modified Link Pulse in-line power

specification

• Compliant with 802.3af power over Ethernet standard

• Provides auto-MDI/MDIX, enabling the use of straight or

crossover cables in either port

• Wideband Audio CODECS

• Enables support of emerging wideband vocoding standards

HARDWARE PLATFORMS

• BCM91101 Reference Platform

• Complete Ethernet IP phone reference design in phone plastics

• BCM91112SMTA Reference Platform

• Ethernet Residential Gateway reference design

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