The RH850/F1KM-S4 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 3MB to 4MB and the package covers a wide range from 100 to 272 pins. Also, CAN FD and Ethernet interfaces, along with a hardware security module have been added to all products and the CPU operating frequency has been improved to 240MHz.

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

Applications

  • Car body

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 moderated discussion related to Renesas products.


Hardware Tools

Starter Kits

Starter Kit Description Featured Documents Ordering
Y-ASK-RH850F1KM-S4-V3 The RH850/F1KM-S4 Starter Kit serves as a simple and easy to use platform for evaluating the features and performance of Renesas Electronics’ 32-bit RH850/F1KM-S4 microcontrollers.
  • Connections for on-chip debugging and flash memory programming
  • Access to all microcontroller I/O pins
  • User interaction through the potentiometer, rotary switch, buttons, LEDs
  • Serial interface connections for
    • 1x RS-232
    • 1x LIN
    • 2x CAN-FD
    • 1x FlexRay
    • 1x Ethernet 100Base-T
  • Power supply by RENESAS E1 on-chip debugger or externally (12V DC input)
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.
archive Software

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
archive Software


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
Image
EB Tresos Solution for RH850/F1Kx

Tata Elxsi

Image
Tata Elxsi

Tata Elxsi supports Renesas customers during their development by providing MCAL service and support, including:

  • Frozen Branch Service
  • AUTOSAR Validation Service
  • Compiler Re-validation Service
Learn More: Tata Elxsi MCAL Support Activities for RH850/F1Kx 2020 (PDF | English, 日本語)
Image
MCAL Support RH850/F1Kx

Documentation & Downloads

Title language 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 - Data Flash Libraries 日本語 Manual PDF 982 KB
- RH850 - Code Flash Libraries 日本語 Manual PDF 1.15 MB
RH850 Smart Configurator User's Guide: IAREW, MULTI 日本語 Manual PDF 2.00 MB
RH850 Smart Configurator User's Guide: CS+ 日本語 Manual PDF 2.14 MB
Smart Configurator User's Manual RH850 API Reference 日本語 Manual PDF 1.14 MB
RH850/F1K User's Manual: Flash Hardware Interface Manual PDF 1.03 MB
RH850/G3KH User's Manual: Software 日本語 Manual PDF 4.78 MB
RH850/F1KM, RH850/F1KH User's Manual: Hardware (R01UH0684EJ0110) 日本語 Manual PDF 34.88 MB
Application Notes & White Papers
LIN Controller Usage: Applications and Frequently Asked Questions Application Note PDF 1.03 MB
Security-Conscious Debugging Methods for RH850 Devices (Main-Core Debugging) 日本語 Application Note PDF 1.17 MB
CAN Controller Usage: Applications and Frequently Asked Questions Application Note PDF 1.81 MB
RH850/F1Kx Hardware Design Guide Application Note PDF 1.68 MB
RH850/F1K - Getting Started Application Note PDF 141 KB
RH850/F1x - Ethernet AVB (ETNB) Initialization and Loopback Test Application Note PDF 243 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 Application Note PDF 1.86 MB
CAN Communication Time Measurement Solution (E2 Emulator, CS+) 日本語 Application Note PDF 2.09 MB
RV40F DataFlash Usage Application Note PDF 271 KB
Using GHS Compiler with RH850 Application Note PDF 410 KB
RV40F - Data Flash Usage Application Note PDF 204 KB
Downloads
e² studio 2020-10 installer for Windows 日本語 Upgrade - IDE ZIP 1,616.95 MB
Parameter File for RH850/F1x series: PR5-RH850F1X V1.12 日本語 Upgrade - Programmer ZIP 111 KB
CS+ QE V9.04.00 日本語 Upgrade - IDE ZIP 4.02 MB
Parameter File for RH850 Family: RH850 V1.01 日本語 Upgrade - Programmer ZIP 6 KB
Tool News
[Notes] Smart Configurator for RH850 日本語 Tool News - Note PDF 515 KB
[Notes] Smart Configurator for RH850 日本語 Tool News - Note PDF 91 KB
[Note] C Compiler Package for RH850 Family (No.30-33) 日本語 Tool News - Note PDF 290 KB
[Upgrade to revision] C Compiler Package for RH850 Family V2.03.00 日本語 Tool News - Release PDF 153 KB
[Upgrade to revision] RH850 Smart Configurator V1.3.0 日本語 Tool News - Release PDF 147 KB
[Upgraded to version] e² studio 2021-01 日本語 Tool News - Release PDF 159 KB
[Upgrade to revision] Renesas Flash Programmer V3.08.01 日本語 Tool News - Release PDF 81 KB
[Upgrade to revision] CS+ Integrated Development Environment V8.05.00 日本語 Tool News - Release PDF 144 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.05.01 日本語 Tool News - Release PDF 57 KB
[Featured Tool] Reduce the Program Data Size with Ease! Introducing Half-Precision Floating-Point Feature in Renesas Compiler Professional Edition 日本語 Tool News - Featured Tool PDF 327 KB
[Notes] Smart Configurator for RH850 日本語 Tool News - Note PDF 132 KB
[Notes] Smart Configurator for RH850 日本語 Tool News - Note PDF 177 KB
[Upgrade to revision] Smart Configurator for RH850 V1.2.0, CS+ RH850 Smart Configurator Communication Plugins V1.02.01 日本語 Tool News - Release PDF 150 KB
[Notes] CS+ Code Generator for RH850, AP4 Coding Assistance Tool for RH850 日本語 Tool News - Note PDF 122 KB
[Notes] Smart Configurator for RH850 日本語 Tool News - Note PDF 136 KB
[Notes] Smart Configurator for RH850 日本語 Tool News - Note PDF 127 KB
[Notes] Smart Configurator for RH850 日本語 Tool News - Note PDF 154 KB
[Notes] RH850 Smart Configurator 日本語 Tool News - Note PDF 53 KB
[Notes] RH850 Smart Configurator 日本語 Tool News - Note PDF 188 KB
[Notes] PG-FP6/PG-FP5 Flash Memory Programmer, Renesas Flash Programmer 日本語 Tool News - Note PDF 118 KB
[Notes] PG-FP6 Flash Memory Programmer 日本語 Tool News - Note PDF 115 KB
[Notes] AP4 Coding Assistance Tool for RH850 日本語 Tool News - Note PDF 98 KB
[Notes] CS+ Integrated Development Environment 日本語 Tool News - Note PDF 127 KB
[Upgrade to revision] Device Information (Managed by CS+) for RH850 Family V6.00.01 日本語 Tool News - Release PDF 170 KB
[Notification] Isolator for E1 Emulator Compatible with E2 Emulator and E2 Emulator Lite 日本語 Tool News - Notification PDF 147 KB
[Notification] Immediately Debugging a Problem with the Power Supplied! E2 Emulator Providing Hot Plug Debugging 日本語 Tool News - Notification PDF 300 KB
[Notification] Renesas Flash Programmer Command-Line Option Function that is Effective for Programming of Renesas MCU Containing Flash Memory 日本語 Tool News - Notification PDF 185 KB
[Notification] E2 Emulator, a High-Performance On-Chip Debugging Emulator for R-Car D1 with ARM® Cortex®-A7 and RH850 Family 日本語 Tool News - Featured Tool PDF 239 KB
[New release] The E2 Emulator, a New On-Chip Debugging Emulator 日本語 Tool News - Release PDF 128 KB
[Upgrade to revision] CS+ Utilities for the Real-time Operating Systems (RI850V4 V2, RI600V4, RI78V4 V2, and RI600PX) 日本語 Tool News - Release PDF 190 KB
Other
Smart Configurator for RH850 V1.3.0 Release Note 日本語 Release Note PDF 223 KB
GHS Multi Operating Precautions Release Note PDF 250 KB
RH850/F1Kx Introduction v110 日本語 Training PDF 8.20 MB
RH850/F1Kx Workshop Training ZIP 146.38 MB
[Flyer] E2Emulator[RTE0T00020KCE00000R] 日本語, 简体中文 Flyer PDF 381 KB
RH850/F1x - MCU tool workshop Training PDF 3.63 MB
Renesas Software and Tools Flash Memory Programmer PG-FP6 日本語, 简体中文 Flyer PDF 417 KB
Functional Safety Introduction Presentations PDF 184 KB
RH850 - Data Flash Libraries Library ZIP 1.69 MB
RH850 - Code Flash Libraries Library ZIP 1.71 MB
Semiconductor Package Mount Manual 日本語, 简体中文 Other PDF 10.28 MB
Semiconductor Reliability Handbook 日本語 Other PDF 14.70 MB
CHASSIS AND SAFETY APPLICATIONS Flyer PDF 900 KB
Safety and Security Support Program for Automotive 日本語 Brochure PDF 372 KB
QFN Mounting Manual 日本語, 简体中文 Other PDF 3.19 MB
Microcontroller solutions for Flyer PDF 2.01 MB

Boards & Kits

Part Number Title Type Company
RH850/F1x-176pin-Piggyback-Board Renesas Piggyback Evaluation Board for RH850/F1x (176 pin package) Starter Renesas
Y-ASK-RH850F1KM-S4-V3 RH850/F1KM-S4 Starter Kit Starter Renesas