The RH850/F1KM-S1 is one group of single-chip microcontrollers in the RH850/F1x series which is designed for automotive electrical body applications. While it achieves low power consumption, the internal flash memory ranges from 512KB to 1MB and the package covers a wide range from 48 to 100 pins. Also, a CAN FD interface has been added and the CPU operating frequency has been improved to 120MHz.

Need help figuring out what you need to get started? Jump to the Design Support section for details.

Features

  • 32-bit single-chip microcontroller with two G3KH CPU cores
  • High computational processing power
  • 120MHz operating frequency
  • Internal flash memory from 512KB to 1MB
  • Wide variety of internal peripheral functions
  • CAN FD interface
  • Low power consumption
    • Low Power Sampler (LPS) polls signal inputs without CPU core interaction
    • DeepSTOP mode disables power to select circuits within the chip
  • Package options from 48 to 100 pins

Applications

  • Car Body
  • Body control module (BCM)
  • Automotive gateway
  • Automotive HVAC
  • Automotive lighting modules

Documentation & Downloads

Title Other Languages Type Format File Size Date
User Guides & Manuals
Smart Configurator Guide on Sample Projects for RH850/F1KM Devices 日本語 Manual PDF 2.11 MB
RH850/F1K, RH850/F1KM User's Manual: Hardware_Addendum for additional products Manual PDF 397 KB
RH850/F1KM, RH850/F1KH User's Manual: Hardware 日本語 Manual PDF 34.88 MB
RH850/F1K User's Manual: Hardware Interface Manual PDF 1.03 MB
RH850/G3KH User's Manual: Software 日本語 Manual PDF 4.78 MB
Application Notes & White Papers
PG-FP6 Usage of Communications Commands 日本語 Application Note PDF 369 KB
RH850/F1x Series F1Kx Migration Information Application Note PDF 4.92 MB
RH850/F1Kx Hardware Design Guide Application Note PDF 1.68 MB
- RH850 - Code Flash Libraries Application Note PDF 1.15 MB
- RH850 - Data Flash Libraries Application Note PDF 982 KB
CAN Controller Usage: Applications and Frequently Asked Questions Application Note PDF 1.81 MB
RH850/F1KM-S1 SENT Interface Application Note PDF 1.02 MB
RH850/F1K - Getting Started Application Note PDF 141 KB
RH850/F1Kx Low-Power Operations Application Note PDF 1.66 MB
RH850/F1Kx PWM Output/Diagnostic Application Note PDF 1.49 MB
PCB-Design for Improved EMC / EMV Application Note PDF 1.86 MB
LIN Controller Usage: Applications and Frequently Asked Questions Application Note PDF 1013 KB
RV40F - Data Flash Usage Application Note PDF 204 KB
Other
RH850/F1Kx Introduction v110 日本語 Training PDF 8.20 MB
RH850/F1Kx Workshop Training ZIP 146.38 MB
RH850/F1x - MCU tool workshop Training PDF 3.63 MB
Functional Safety Introduction Presentations PDF 184 KB
RH850 - Code Flash Libraries Library ZIP 1.71 MB
RH850 - Data Flash Libraries Library ZIP 1.69 MB

Software / Tools

Title Type Description Company
Renesas MCAL Software Package Renesas' MCAL (Microcontroller Abstraction Layer) software drivers can be obtained as a stand-alone software package. Renesas
Code Flash Libraries (Flash Self Programming Libraries) Self Programming Library (Flash Library) Libraries for the reprogramming of code area flash memory, including EEPROM emulation libraries for the code areas of 78K-family products Renesas
Data Flash Libraries Self Programming Library (Flash Library) Libraries for the reprogramming of data flash memory, including EEPROM emulation libraries for the data areas of RL78-family products Renesas
RI850V4 V2 Real-time OS for RH850 Family ITRON OS μITRON4.0 Specification real-time OS for RH850 Family [Required IDE : CS+]
Renesas
RH850 Embedded Software Solutions Compiler/Assembler Multi development environments: Quickly develop, debug, test, and optimize embedded and real-time applications.
Green Hills Optimizing Compilers: Generating the smallest and fastest code from C, C++, and Ada.
simrh850: Full-feature multi-core instruction-accurate simulation tool that allows faster development and deployment of V850 and RH850 multi-core projects. Support for various shared-memory and isolated architectures, as well as complete support for RH850 hyper-threading capabilities.
Green Hills Software LLC
IAR Embedded Workbench for RH850 Compiler/Assembler IAR Embedded Workbench provides extensive support for RH850 devices. IAR Embedded Workbench is a complete set of development tools with leading optimization technology for creating powerful automotive applications. IAR Systems
C Compiler Package for RH850 Family Compiler/Assembler C Compiler and IDE for RH850 Family [IDE: CS+]
Renesas
E2 emulator [RTE0T00020KCE00000R] Emulator On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX] Renesas
CS+ IDE and Coding Tool Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0] Important: CS+ is not generally promoted to U.S. and European customers. Renesas
Debugging MCU Boards Other Emulators and Options The debugging MCU board is a board to enable the in-circuit connection of an emulator with the user's system and allows you to use more enhanced debugging functions. The applicable debugging functions vary depending on the MCU type. Renesas
PG-FP6 Programmer (Unit/SW) Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C] Renesas
Renesas Flash Programmer (Programming GUI) Programmer (Unit/SW) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78KR, 78K0] Renesas
Simulator for CS+ of RH850 Family Simulator Simulator for CS+ of RH850 Family [Support IDE : CS+] (Note: This product is included in Compiler Package and is not available separately.)
Renesas

Boards & Kits

Part Number Title Type Company
RH850/F1x-176pin-Piggyback-Board Renesas Piggyback Evaluation Board for RH850/F1x (176 pin package) Starter
Y-ASK-RH850F1KM-S1-V3 RH850/F1KM-S1 Starter Kit Starter
Y-BLDC-SK-RH850F1KM-S1 Motor Control Starter Kit for RH850/F1KM-S1 Starter

Design Support

RH850 Family FAQs

Find answers to common questions, support articles and development hints.

Contact Support

Contact sales or technical support.

RenesasRulz Forum

Browse material, post questions and join a moderated discussion related to Renesas products.


Hardware Tools

Starter Kits

Starter Kit Description Featured Documents Ordering
Y‑ASK‑RH850F1KM‑S1‑V3 The RH850/F1KM-S1 Starter Kit is a simple and easy-to-use platform for evaluating the features and performance of Renesas' 32-bit RH850/F1KM-S1 MCUs.
  • Connections for on-chip debugging and flash memory programming
  • Access to all microcontroller I/O pins
  • User interaction through potentiometer, rotary switch, buttons, LEDs
  • Serial interface connections for
    • 1x RS-232
    • 1x LIN
    • 2x CAN-FD
  • Power supply by RENESAS E1 On-Chip debugger or externally (12V DC input)
pdf_icon_for_table.png User's Manual
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Contact Us
Y-BLDC-SK-RH850F1KM-S1 Motor Control Starter Kit for RH850/F1KM-S1 pdf_icon_for_table.png User's Manual
archive Software Package
Contact Us

Programming Tools

Programming Tools Description Featured Documents Ordering
RTE0T00020KCE00000R E2 Emulator
On-chip debugging emulator for RH850 family and RL78 family. Also available as a flash memory programmer.
pdf_icon_for_table.png User's Manual Buy
R0C00000FDW13R Renesas Flash Programmer (Programming GUI)
The Renesas Flash Programmer provides usable and functional support for programming the on-chip flash memory of Renesas microcontrollers in each phase of development and mass production.
  • A simple GUI makes operations easy, even for first-time developers
  • PC-controlled programming via the E1 emulator or E2 emulator, a serial or USB connection
pdf_icon_for_table.png User's Manual Free Download


Software Tools

Compiler Toolchain

Company Company Logo Description
Green Hills Multi
Image
Green Hills Software Logo
RH850 Embedded Software Solutions
  • Multi development environments
    Quickly develop, debug, test, and optimize embedded and real-time applications
  • Green Hills Optimizing Compilers
    Generating the smallest and fastest code from C, C++, and Ada
  • simrh850
    Full-feature multi-core instruction-accurate simulation tool that allows faster development and deployment of V850 and RH850 multi-core projects. Support for various shared-memory and isolated architectures, as well as complete support for RH850 hyper-threading capabilities
IAR Systems
Image
iar
IAR Embedded Workbench provides extensive support for RH850 devices. IAR Embedded Workbench is a complete set of development tools with leading optimization technology for creating powerful automotive applications.

Software Libraries

Software Library Description Featured Documents Download
Code Flash Libraries Libraries for the reprogramming of code area flash memory, for the code areas of F1Kx products. This free-of-charge software library is for use with user programs that have to rewrite the contents of code flash memory. Self Programming Libraries provide the interface for operations on the code areas of flash memories that MCUs have.
  • Erasing
  • Programming
  • Internal verification
  • Blank checking
  • Security settings, etc.
pdf_icon_for_table.png User's Manual archive Software
Data Flash Libraries Libraries for the reprogramming of data area flash memory, for the data areas of F1Kx products. This free-of-charge software library is for use with user programs that have to rewrite the contents of data flash memory. Data Flash Libraries provide the interface for operations on the areas of data flash memories that MCUs have.
  • Erasing
  • Programming
  • Internal verification
  • Blank checking
pdf_icon_for_table.png User's Manual archive Software

MCAL Software

Software Description Download
Renesas MCAL Renesas' MCAL (Microcontroller Abstraction Layer) software drivers can be obtained as a stand-alone software package. This package includes SPAL, COM and TEST drivers based on AR4.2.2.
  • SPAL (including ADC, DIO, FLS, GPT, ICU, MCU, PORT, PWM, SPI, WDG)
  • COM (including CAN, LIN, FR, ETH)
  • TEST (including Core Test, Ram Test, Flash Test)
The software package is available free of charge and as is. In case you want to buy a different software package please contact us.
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Software Tools

Software Description Featured Documents Download
Smart Configurator The Smart Configurator is a utility for combining software to meet your needs. It supports the following three functions related to the embedding of Renesas drivers in your systems: importing middleware, generating driver code, and generating code for making pin settings. pdf_icon_for_table.png User's Manual
pdf_icon_for_table.png Release Note
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Third-Party Support

Company Description  
Vector Informatik
Image
Vector Informatik logo
The MICROSAR evaluation package includes the Vector basic software according to AUTOSAR Classic as well as all necessary software tools.
Learn More
Image
MICROSAR evaluation package
Elektrobit
Image
Elektrobit Logo
The EB tresos solution for RH850/F1Kx includes EB’s basic software for Classic AUTOSAR ECUs, an integrated OS and MCAL as well as an easy-to-use tool set to configure and generate the software components.
Learn More
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EB Tresos Solution for RH850/F1Kx