Automotive Ethernet Switch with Integrated BroadR-Reach 100BASE-T1 PHYs

Broadcom BCM8956X

The Broadcom® BCM8956X family of devices is Broadcom's fifth generation of fully integrated L2+ multilayer switch solutions to support automotive qualification (AEC-Q100) and temperature grade for in-car networking applications. The BCM8956X family of products raises the bar for switches with multiple best-in-class features for the automotive industry, such as integrated security features, host connectivity bandwidth and Layer 3 routing capability in hardware.

Broadcom BCM8956X


  • Layer 2+ gigabit switch with built-in IEEE Compliant 100BASE-T1, 1000BASE-T1 PHYs and 100-TX PHYs
  • Integrated PCIe connectivity providing high-bandwidth connectivity to the host processor
  • Advanced multilevel security
    • Dedicated hardware security module (HSM) block allowing line rate encryption
    • L2 anti-hack
    • Deep packet inspection
    • Intrusion prevention reporting
  • Layer 3 flow accelerator offloading host processor from compute intensive routing operations
  • AVB & TSN support with ARM Cortex M7 programmability
  • IEEE AVB protocol stack (IEEE 802.1AS Time Synchronization and IEEE 802.1Qat SRP)


  • Automotive ADAS
  • Infotainment
  • Gateway
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