Welcome to the CAN-bus Wiki project


Try to put the latest devices on top of each section and mark end-of-line products. Only specify the main parameters of the micro controllers and go more into deep with details about the CAN interface. Always try to put a link to the data sheet or manual.

Renesas CAN/LIN microcontrollers online at http://www.renesas.com/ / http://www.renesas.eu/products/mpumcu/index.jsp

8 bit Controllers


  • R8C/3x
  • and R8C/Next

16 bit Controllers

RL78 family, is a combination of the 78K0R architecture family wit peripherals of the R8C family

32 bit Controllers


Generation 2

  • R-Car H2
  • R-Car M2
  • R-Car E2

Generation 3

  • R-Car H3 2 x CAN/CANFD
  • R-Car M3


32-bit ARM® Cortex®-M4 based microcontroller, 2-channel CAN compliant with ISO11898-1, 32 mailboxes/channel

S7G2 2 x CAN, S3A7 1 x RCAN, S124 1 x RCAN

RH family

One member of the RH family will be the first containing the new CAN FD :-) module.

  • RH850/V1R-M 320-MHz RISC MCU, 2-MiB flash, 2-MiB RAM, on-chip DSP core, 6 x CAN FD (the Renesas RS-CANFD complies with the ISO 11898-1:2016), developed for automotive radar ADAS solutions.
  • RH850/P1M low power consumption, up to 2 MB flash and up to 128 KB RAM, enhanced motor control timer, up to three RS-CAN interfaces, digital interface for sensor such as SENT and PSI5, safety functions such as lockstep CPU, ECC, BIST (Built-in Self Test) and ECM (Error Control Module), suitable for chassis systems.
  • RH850/P1H-C (R7F701372) 2 or 3 ch. M_CAN + 1 x MTTCAN :-)

RX family

  • RX200 Low power 32 bit family, 32-bit RXv2 CPU core @54 MHz, 1.8 to 5.5V, incorporating functions for IEC60730 compliance, 32-bit single-precision floating point
    • RX230 family member with one CAN channel, Renesas RSCAN, 16 mbox
  • RX600 165 DMIPS @ 100Mhz, IEC60730 class B, up to three CAN channels, LQFP/LGA/BGA
    RX631 Manual (pdf) Chapter 36. CAN Module (CAN)
    in FIFO mode the controller implements a 5 stage RX and 5 stage TX FIFO.
    Especially the introduced RX631 micro-controllers are designed to serve space-constrained applications in 48- and 64-pin packages.
  • RX64M operates iat 2.7 to 3.6 V with up to 120 MHz. Up to 4MB Flash with 120MHz Flash access & 512KB SRAM across range, 2ch Ethernet, 3ch CAN, 2ch USB (Host, OTG)
  • RX71M Family of 32-bit micro controllers. up to 240 MHz, up to 4 MB of on-chip flash memory, 552 SRAM, 3 ch CAN, Common functions: 12-bit A/D: 29 ch (8 ch x 1 unit + 21 ch x 1 unit), SCI, SCIF, I2C, RSPI, QSPI, SDHI, MMC, SSI (serial sound interface)

R-IN family

  • EC-1 R-IN based SoC is intended for high-speed, high-precision control of slave applications that require higher CPU performance such as intelligent I/O modules equipped with EtherCAT communication functions. The SoC also comes with one CAN channel.
  • R-IN32M3 Series (Renesas Industrial Networking Engine). ARM Cortex-M3 32-bit RISC CPU + HW-RTOS (Hardware Real-Time OS) 100 MHz. 2 channels CAN. R-IN32M3-CL CC-Link IE field controller and R-IN32M3-EC EtherCAT slave controller. Suited to be used as CAN to EtherCAT or CAN to CC-Link gateway.
    Renesas R-IN application site.
    Each of the two CAN channels implements 64 message buffers. R-IN32M3 Series User's Manual Peripheral Functions(PDF)
  • The R-Car E1 is a new member of the R-Car series of automotive systems-on-chip (SoCs) offering low power consumption and high system integration targeting the cost-sensitive market of car navigation and multimedia systems including high end car radios. Two channel CAN Interface.
  • R-Car H1 SoC (system-on-chip) for next-generation high-end car infotainment systems that integrates a quad-core high-performance ARM® Cortex™-A9 processor (1 GHz) supporting versatile operating systems, one Renesas SH-4A high-reliability real-time processing CPU core, a high-performance graphics processor and two image recognition processing IPs, a dedicated audio processing digital signal processor (DSP), and a variety of many other peripheral functions. Two channel CAN Interface.
  • R-Car H2 SoC for car information systems. Besides high end graphic advanced automotive interfaces like Ethernet AVB, MOST-150 and 2 channel CAN and mass storage interfaces such as SATA, USB3.0/2.0, SDcard and PCI Express are supported. The R-Car H2 is powered by the ARM® Cortex™A-15 quad-core configuration running an additional ARM® Cortex™A-7 quad-core—the industry's first implementation of a Quad ARM® Cortex A15 and the big.LITTLE processing technique in an automotive SoC.

RZ family

  • The RZ family of embedded processors retain the ease-of-use of Renesas microprocessors (MPUs) while combining Renesas proprietary technologies with the ARM® ecosystem ARM9 core @400Mhz. (RZ/A comes from RZ ARM®, Cortex™ -A9 based family.)
    • RZ/A1H 5 CAN channels (H stands for High density RAM: 10 MB)
    • RZ/A1M 5 CAN channels
    • RZ/A1L 2 CAN channels User Manual (PDF) Chapter 21 handle the CAN module which is called RS-CAN in the manual.
    • 2D graphics engine supporting Open VG1.1
    • LCD Controller XGA (1024×768) with 24 bpp


  • V850E2/Fx4-L, @48 to 64 Mhz, 256KiB to 1.5MiB FLASH, AUTOSAR, 20 different chips, very low power, selective CAN wake-up
    Manual (pdf)


Stand alone CAN Controllers

Named CAN modules


H8S/2646, H8S/2648, H8S/2649, H8S/2630, H8S/2639, H8S/2638, H8S/2636, H8S/2635, H8S/2628, H8S/2615 H8S/2612



H8SX/1500 Series


The module can be found on the 8-Bit R8C/3x and R8C/Next. It features

  • 32 mailboxes
  • 5 interrupt sources
  • RX and TX FIFO mode
  • test mode
  • Time stamp function using a 16-bit counter
  • CAN sleep mode


The module can be found on the Cortex-A9 based RZ family, and the RH family


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