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 for automotive and industrial applications. 

Industrial grade

  • IEC 61508 SIL 3 certified by TÜV SÜD
  • Up to 330 MHz
  • Industrial automation and control applications
  • 105C ambient temperature
  • Ethernet, USB, CAN, timers, ADCs and more
  • Little-endian

Automotive AEC-Q100 qualified

  • ISO26262 ASIL D and SIL 3 certified by TÜV SÜD
  • Up to 300 MHz
  • Transportation applications
  • 125C ambient temperature
  • FlexRay, Ethernet, CAN, timers, ADC and more
  • Big-endian

Simplify system certification

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.

  • 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


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

Ask questions, share knowledge and help solve problems with fellow engineers in the Hercules TI E2E™ forum.