TThe RH850/F1KH-D8 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 6MB to 8MB and the package covers a wide range from 176 to 324 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 and is equipped with a dual CPU.

Design & Support Resources

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


Title language Type Format File Size Date
User Guides & Manuals
star RH850/F1KM, RH850/F1KH User's Manual: Hardware (R01UH0684EJ0110) 日本語 Manual - Hardware PDF 34.88 MB
RH850/F1K User's Manual: Flash Hardware Interface Manual - Hardware PDF 1.03 MB
RH850/G3KH User's Manual: Software 日本語 Manual - Software PDF 4.78 MB
Application Notes & White Papers
RH850/F1K - Getting Started Application Note PDF 334 KB
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/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
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 Presentation PDF 184 KB
Semiconductor Package Mount Manual 日本語, 简体中文 Other PDF 10.28 MB
Semiconductor Reliability Handbook 日本語 General Reliability Literature PDF 14.70 MB
Safety and Security Support Program for Automotive 日本語 Brochure PDF 372 KB
Microcontroller solutions for Flyer PDF 2.01 MB


Title language Type Format File Size Date
RH850 - Code Flash Libraries
Related Files: Manual - Software
Library ZIP 1.71 MB
RH850 - Data Flash Libraries
Related Files: Manual - Software
Library ZIP 1.69 MB
CS+ Device Information for RH850 V8.04.01 日本語 Upgrade - IDE ZIP 89.87 MB
Parameter File for RH850/F1x series: PR5-RH850F1X V1.12 日本語 Upgrade - Programmer ZIP 111 KB
e² studio 2020-10 installer for Windows 日本語 Upgrade - IDE ZIP 1,616.95 MB
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

select_allSoftware & Tool Pages

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
Cycle-Accurate Simulator for RH850 Simulator Instruction simulator that can measure times with accuracy close to actual machine of RH850 under PC environment. For a fee. [Support IDE : CS+]

memoryBoards & 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-RH850F1KH-D8-V3 RH850/F1KH-D8 Starter Kit Starter Renesas