Microcontrollers (MCU)

Hercules Arm® Cortex®-R MCUs for functional safety

Simplify system safety certification with TÜV SÜD certified IEC61508 SIL3 and ISO26262 ASIL D microcontrollers optimized for automotive and industrial


Simplify certification

Hercules MCUs are certified by TUV SUD to IEC 61508 SIL 3 and ISO 26262 ASIL D functional safety standards.


Scalable performance and on-chip diagnostics

Hercules MCU’s provide on-chip diagnostics coverage required by safety standards while enabling a smaller software footprint in a hardware optimized solution which reduces safety system complexity.


Expansive portfolio

Large selection of software and pin compatible products enable developers to scale across a wide variety of functional safety applications from industrial to transportation and automotive applications.

Industrial grade

  • IEC 61508 SIL 3 certified
  • Up to 330 MHz
  • Industrial process, automation and control applica
  • 105C ambient temperature
  • Ethernet, USB, CAN, Timers, ADCs and more

Automotive AEC-Q100 qualified

  • ISO26262 ASIL D certified
  • Up to 300 MHz
  • Transportation applications
  • 125C ambient temperature
  • Ethernet, FlexRay, CAN, Timers, ADC and more

Simplify certification

On-chip diagnostics

Hercules MCUs provide a high level of diagnostic coverage in hardware so that customers can optimize performance and code size by reducing complex safety software.

  • LockStep CPUs -- 1oo1D safety concept
  • CPU Built-In Self-Test (BIST) controller
  • ECC on FLASH and RAM
  • ECC calculation in CPU checks the interconnect
  • Memory BIST on CPU and peripheral RAMs
  • Clock and voltage monitoring
  • Error signaling module with error pin
High performance safety MCUs

High performance

High performance Arm Cortex-R-based MCUs from 80 Mhz up to 330 MHz with intelligent peripherals to offload the CPU.

  • Up to 330 Mhz Arm Cortex R CPU with IEEE 754 compliant vector floating point unit supporting single and double precision
  • 16 channel DMA with 32 control packets
  • Up to two High-End Timer (HET) Coprocessors with dedicated DMA
  • Dedicated FlexRay DMA for high bandwidth communication
  • Multi-buffered ADC
  • Multi-buffered SPI
High performance safety MCUs

On-demand training including numerous "How to tutorials" on functional safety related tools and software.