Communications Processor with Network Acceleration Hardware

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Communications device targeted for applications in switching control and management, and residential router/gateway.
The BCM4707/4708/4709 family includes the BCM4707, BCM4708 and BCM4709. At the center of the device is a high-performance 1 GHz ARM® Cortex™-A9 dual-core with a 32 KB four-way set associative instruction cache, a 32 KB four-way set associative data cache and a 128-entry translation lookaside buffer (TLB). Enhanced CPU memory subsystem architecture provides increased system performance. The device uses 40 nm technology.


  • Advanced ARM® Cortex™-A9 Dual-Core
  • 32 KB I-cache and 32 KB D-cache per core
  • Snoop Control Unit (SCU) with ACP interface for I/O coherency
  • 256 KB L2 Cache (shared)
  • SMP and AMP capable
  • Single-processor core operation configurable
  • Advanced Gigabit Ethernet
  • Eight ports with full-line rate
  • Five 10/100/1000 PHY ports
  • Support for lot 6 power standard
  • Hardware Flow Accelerator
  • RGMII/MII-lite interface


  • 802.11 Wireless LAN Solutions
  • Smart Devices

Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
I/O Controller
Internal Memory 2MB SRAM
Bus Interface
Transfer Rates
External Memory Interfaces
Market Segment Enterprise Access Points


64 bit Quad-Core ARM v8 compliant Processor for Enterprise Access Point Applications