Microcontrollers (MCU)

Hercules Arm® Cortex®-R microcontrollers

Broad portfolio of certified compliant to IEC 61508 SIL 3 & ISO 26262 ASIL D

Simplify certification

Hercules IEC 61508 SIL 3 and ISO 26262 ASIL D certified MCUs help simplify system level certification.

On-chip diagnostics

Hercules MCUs provides the high level of diagnostic coverage required by safety standards.

High performance

Arm Cortex-R-based MCUs from 80 MHz up to 330 MHz provide plenty of head room.

Expansive portfolio

Large selection of software and pin compatible products to scale across 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

Hercules MCU IEC 61508 SIL 3 and ISO 26262 ASIL D functional safety certifications, along with associated documentation, tools and software, help ease system-level certification efforts.


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

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