TJA1121, MACsec Enabled ASIL B Compliant Automotive Ethernet 1000BASE-T1 PHY Transceiver

  • Preproduction
  • This page contains information on a preproduction product. Specifications and information herein are subject to change without notice. For additional information contact support or your sales representative.

Roll over image to zoom in

Block Diagram

TJA1121

TJA1121 Block Diagram

Features

Security

  • IEEE802.1AE-2018 MACsec (1 Gbps line rate)

General

  • IEEE802.3bp compliant 1000BASE-T1 PHY
  • AEC-Q100 Grade 1
  • HVQFN 36-pin package (6 × 6 mm)
  • RGMII (TJA1121A) or SGMII (TJA1121B)
  • OPEN Alliance TC-10

Optimized for Automotive Use Cases

  • Functional Safety - ISO 26262, ASIL B
  • IEEE1588v2 and 802.1AS-rev 2-step timestamping support
  • Support for shielded and unshielded twisted-pair cable
  • Enhanced integrated pulse shaping for low RF emissions

Diagnosis

  • Open Alliance TC-12 Advanced PHY Features
  • Built-in self-test (BIST)
  • Real-time monitoring of link stability and data quality

Documentation

Quick reference to our documentation types.

2 documents

Design Resources

Software

2 software files

  • BSPs and Device Drivers

    TJA11xx Linux driver for IEEE 802.3 Clause 45 managed PHYs

  • BSPs and Device Drivers

    XJA11XX Ethernet Phy Real Time Drivers AUTOSAR 4.4 (ISO26262) License

Note: For better experience, software downloads are recommended on desktop.

Support

What do you need help with?