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