Hercules RM ARM® Cortex®-R based MCUs

Simplify certification efforts in the development of IEC 61508 functional safety applications.

  • Herculean performance in a low cost tool
    Herculean performance in a low cost tool
  • Functional safety 4-part training series
    Functional safety 4-part training series
  Hercules MCU RM41x/RM42x Hercules MCU RM44x Hercules MCU RM46x Hercules MCU RM48x Hercules MCU RM57x
 

RM41x/RM42x

RM44x

RM46x

RM48x

RM57x

Processing
Core (in lockstep) ARM Cortex-R4 ARM Cortex-R4F ARM Cortex-R4F ARM Cortex-R4F ARM Cortex-R5F
Core Freq 80-100MHz 120-180MHz 200-220MHz 200-220MHz 330MHz
Floating Point Unit no yes yes yes yes
Memory (w/ ECC)
FLASH 128-384KB 768KB-1MB 1-1.25MB 2-3MB 4MB
SRAM 32KB 128KB 128-192KB 192-256KB 512KB
Packages
100QFP yes yes no no no
144QFP no yes yes yes no
337BGA no no yes yes yes
Key Features
External Memory Interface no no yes yes yes
Ethernet no no yes yes yes
USB no no yes yes  
Certifications
IEC 61508 SIL 3 yes no yes yes no
Pricing
Pricing from $4.74 (1ku) $9.56 (1ku) $13.50 (1ku) $15.98 (1ku) $38.45 (1ku)

*Cortex-R5F devices have 32KB of instruction and 32KB of data cache

High Performance

High performance ARM Cortex-R-based MCUs from 80MHz up to 330MHz with on chip features that prove a high level of diagnostic coverage.

  • Up to 330MHz ARM Cortex R CPU
  • LockStep CPUs - 1oo1D Safety Concept
  • CPU and Memory Built-In Self-Test (BIST)
  • ECC on FLASH and RAM
  • 16 channel DMA with 32 control packets
  • Up to two High End Timer (HET) coprocessors
  • Ethernet, USB and CAN connectivity
  • Multi-buffered ADC and SPIs
Expansive Portfolio

Expansive Portfolio

Expansive portfolio of software and pin compatible products provide scalability to address a wide range of applications.

  • Price points from entry to top performance
  • CPU frequency from 80MHz up to 330MHz
  • Integrated flash memory from 128KB to 4MB
  • 100QFP, 144QFP and 337BGA pin compatible package options
  • Timers and 12bit ADC for industrial control
  • Ethernet, USB and CAN connectivity
  • Industrial temp range (-40c to 105c)

Download Brochure(PDF, 4.9MB)