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TMS570 ARM Cortex-R4




ARM® Floating Point MCU Family for Transportation Applications

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

Click diagram to enlarge
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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
Technical resources


Products sampling now
  • TMS570LS0432
    ARM Cortex-R4 Lockstep
    384KB Flash, 32KB RAM
    100QFP Package
  • TMS570LS1227
    ARM Cortex-R4F Lockstep
    1.25MB Flash, 192KB RAM
    144QFP, 337BGA Package
  • TMS570LS3137
    ARM Cortex-R4F Lockstep
    3MB Flash, 256KB RAM
    144QFP, 337BGA Package


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