ARM® Processors

TMS570LS ARM Cortex™-R4 Microcontrollers

The Hercules TMS570LS Safety MCU family enables customers to easily develop safety-critical products for transportation applications. Developed to meet the requirements of the ISO 26262 ASIL-D and IEC 61508 SIL-3 safety standards and qualified to the AEC-Q100 automotive specification this ARM® Cortex™-R4F based family offers several options of performance, memory and connectivity. Dual core lockstep CPU architecture, hardware BIST, MPU, ECC and on-chip clock and voltage monitoring are some of the key functional safety features available to meet the needs of automotive, railway and aerospace applications


TMS570LS Series Block Diagram

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Key features

  • Up to 180 MHz, ARM Cortex-R4F CPU
  • Lock-Step CPUs with fail safe detection logic
  • Up to 3 MB of Embedded Flash Memory with ECC
  • Dual 12-bit ADC, 8 redundant channels
  • Ethernet, FlexRay, CAN, LIN, Multi-Buffered SPIs, and DMA
  • Timer Co-Processer for PWM and input capture
  • Package options: 144 QFP and 337 BGA

Key benefits

  • Architected for safety critical transportation applications
  • ARM Cortex-R4F with Floating Point (single and double precision)
  • Automotive qualified across full temperature range
  • Flexible real-time control peripherals
  • Robust communication interfaces
  • Development network and support

Key applications

  • Braking systems (ABS and ESC)
  • Electric power steering (EPS)
  • HEV/EV inverter systems
  • Battery management systems
  • Active driver assistance systems
  • Aerospace and avionics
  • Railway communications
  • Off road vehicles