SPRACO8 October   2019 AM3351 , AM3352 , AM3354 , AM3356 , AM3357 , AM3358 , AM3358-EP , AM3359 , AM4372 , AM4376 , AM4377 , AM4378 , AM4379 , AM5746 , AM5748 , AM5749 , AM6546 , AM6548

 

  1.   Programmable Logic Controllers — Security Threats and Solutions
    1.     Trademarks
    2. 1 Introduction
    3. 2 Reinventing the PLC for Industry 4.0
    4. 3 Security implications
      1. 3.1 Threat descriptions and risk assessment
    5. 4 TI security frameworks
    6. 5 TI devices with security enablers
    7. 6 Conclusion
    8. 7 References

5 TI devices with security enablers

Table 3 describes security enablers in TI Sitara™ processors targeting PLC applications.

Table 3. TI Sitara devices for PLC applications with security enablers

TI Device
Enabler AM335x AM43x AM574x AM654x
Low end/nano, human machine interface PLC Low end, tamper PLC Mid-high, motion control PLC Mid-high, safety PLC
Cryptography acceleration √ √ √ √
Device identity and keys √ √ √ √
Secure boot √ √ √ √
Debugging security √ √ √ √

Sitara processor differentiation:

  • System-level security integrated with PLC communications, safety and Industry 4.0 services.
  • Secure boot support across devices with features like key ring and anti-rollback.