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ARM® Floating Point MCU Family for Transportation Applications

The Hercules™ TMS570 Safety MCU family enables customers to easily develop safety-critical products for transportation applications.

Developed to meet the requirements of ISO 26262 ASIL D and IEC 61508 SIL 3 safety standards and qualified to the AEC-Q100 automotive specification this ARM® Cortex™-R4 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.

TMS570 ARM Cortex-R4 Brochure


Key Features

  • Up to 180 MHz, ARM Cortex-R4 CPU
  • Lock-Step CPUs with error detection logic
  • Up to 3 MB of Embedded Flash Memory with ECC
  • 12-bit ADC with up to 24 channels
  • Ethernet, FlexRay, CAN, LIN
  • Timers for PWM and input capture
  • Package options: 100QFP, 144 QFP and 337 BGA

Key Benefits

  • Architected for safety critical transportation applications
  • ARM Cortex-R4 CPU (options with Floating Point)
  • Automotive qualified across full temperature range
  • Flexible real-time control peripherals
  • Robust communication interfaces
  • Development network and support

Block Diagram

Featured 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

SafeTI Design Packages

Ease certification and simplify designs for your safety-critical applications!


Technical Documents

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

Hercules TMS570 Safety MCU Videos

From ultra-low power MSP430™ MCUs and high-performance TMS320C2000™ real-time controllers, to Hercules™ 32-bit ARM® safety MCUs and Tiva™ ARM® Cortex™-M4 MCUs, TI offers the broadest range of embedded control products.