OVERVIEW

The Broadcom BCM1112 represents a new level of integration for Ethernet Residential Gateway and Stand-Alone Media Terminal Adapter applications.

FEATURES

• The BCM1112 is the most highly integrated silicon solution for Ethernet Residential Gateway and Stand-Alone Media Terminal Adapter applications.
• The BCM1112 Integrates:
• 150-MHz MIPS32 CPU (165 DMIPS) with 8K I-cache and 4K D-cache
• Superscalar 108-MHz ZSP DSP with dual-MAC (216 MIPS), 48K instruction and 32K data RAM
• Three-port 10/100BASE-T Ethernet switch with 64K buffer memory
• Two 10/100BASE-T Ethernet PHYs with in-line power over Ethernet support
• Three wideband audio ADCs and DACs
• 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
• IEEE 1149.1 (JTAG)
• 0.18u process technology, 1.8/3.3V
• 1.1W peak, 0.3-0.8W standby modes
• 256-PBGA package enables 4-layer PCB designs
• Pin Compatible with BCM1101

HARDWARE PLATFORMS

• BCM91112SMTA Reference Platform
• Ethernet Residential Gateway reference design
• PacketCable SMTA reference design