Features
- 32-bit single-chip microcontroller with one G3KH CPU core
- 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
Description
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 operates up to 120MHz.
Parameters
| Attributes | Value |
|---|---|
| Main CPU | G3KH |
| Program Memory (KB) | 512, 768, 1024 |
| RAM (KB) | 64, 96, 128 |
| Carrier Type | Tray |
| Supply Voltage (V) | 3 - 5.5 |
| I/O Ports | 33, 49, 65, 81 |
| DRAM I/F | No |
| 3D GPU | No |
| Temp. Range (°C) | -40 to +105, -40 to +125 |
| Ethernet speed | No |
| Ethernet (ch) | 0 |
| EtherCat (ch) (#) | 0 |
| USB FS (host ch/device ch) | ( 0 / 0 ) |
| USB HS (host ch/device ch) | ( 0 / 0 ) |
| USB SS (host ch/device ch) | ( 0 / 0 ) |
| PCI Express (generation and ch) | No |
| SCI or UART (ch) | 2 |
| SPI (ch) | 2, 4, 5 |
| I2C (#) | 2 |
| CAN (ch) | 1, 3, 6 |
| CAN-FD (ch) | 0 |
| Wireless | No |
| SDHI (ch) | 0 |
| PWM Output (pin#) | 0 |
| 32-Bit Timer (ch) | 16 |
| 16-Bit Timer (ch) (#) | 16, 32 |
| 8-Bit Timer (ch) | 0 |
| Standby operable timer | No |
| Asynchronous General Purpose Timer / Interval Timer (ch) | 0 |
| 16-Bit A/D Converter (ch) | 0 |
| 14-Bit A/D Converter (ch) | 0 |
| 12-Bit A/D Converter (ch) | 12, 21, 25, 36 |
| 10-Bit A/D Converter (ch) | 0 |
| 24-Bit Sigma-Delta A/D Converter (ch) | 0 |
| 16-Bit D/A Converter (ch) | 0 |
| 12-Bit D/A Converter (ch) | 0 |
| 10-Bit D/A Converter (ch) (#) | 0 |
| 8-Bit D/A Converter (ch) | 0 |
| Capacitive Touch Sensing Unit (ch) | 0 |
| Graphics LCD Controller | No |
| MIPI Interfaces (CSI) (ch) | 0 |
| Image Codec | No |
| Segment LCD Controller | No |
| Security & Encryption | Yes |
Application Block Diagrams
 | Bidirectional DC/DC Converter for 12V/48V EV/HEV Systems High efficiency bidirectional DC/DC converter ideal for 12V/48V EV and HEV systems. |
 | Automotive Camera System with AHL Control Channel Automotive AHL camera system with single-cable video transmission and control, plus I2C blower control. |
 | Automotive Monitoring Function Extension Compact CMIC-based system for integrating motor monitoring and protection functions in automotive systems. |
 | Remote Sensing with Inductive Position Sensor & CAN/LIN Remote sensing system boosts data security, enables ECU centralization, and reduces wiring in vehicles. |
 | Solid-State Automotive Power Distribution Module Solid-state power module enables safe, compact automotive networks with IPD protection and control. |
Additional Applications
- Car Body
- Body control module (BCM)
- Automotive gateway
- Automotive HVAC
- Automotive lighting modules
Complete Your Design
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Renesas Boards & Kits
RH850/F1x, RH850/F1Kx 176-pin Piggyback Board of RH850 Evaluation Platform
The RH850/F1x 176-pin Piggyback Board supports all devices of the RH850/F1L and RH850/F1KM-S1 series in a 176-pin package. It can be used standalone or in combination with the mainboard of the RH850 Evaluation Platform. The modular RH850 Evaluation Platform, consisting of mainboards and... Read More
RH850/F1KM-S1 Starter Kit
The RH850/F1KM-S1 Starter Kit serves as a simple and easy to use platform for evaluating the features and performance of Renesas’ 32-bit RH850/F1KM-S1 microcontrollers.
RH850/F1x 100pin Piggyback Board of RH850 Evaluation Platform
The RH850/F1x 100-pin Piggyback Board supports all devices of the RH850/F1L, RH850/F1K, RH850/F1KM-S1, RH850/F1KM-S2 and RH850/F1KM-S4 series in an 100-pin package. It can be used standalone or in combination with the mainboard of the RH850 Evaluation Platform. The modular RH850 Evaluation... Read More
RH850/F1x 48pin Piggyback Board of RH850 Evaluation Platform
The RH850/F1x 48-pin Piggyback Board supports all devices of the RH850/F1L and RH850/F1KM-S1 series in a 48-pin package. It can be used standalone or in combination with the mainboard of the RH850 Evaluation Platform. The modular RH850 Evaluation Platform, consisting of mainboards and piggyback... Read More
RH850/F1x 64pin Piggyback Board of RH850 Evaluation Platform
The RH850/F1x 64-pin Piggyback Board supports all devices of the RH850/F1L and RH850/F1KM-S1 series in a 64-pin package.It can be used standalone or in combination with the mainboard of the RH850 Evaluation Platform. The modular RH850 Evaluation Platform, consisting of mainboards and piggyback... Read More
RH850/F1x 80pin Piggyback Board of RH850 Evaluation Platform
The RH850/F1x 80-pin Piggyback Board supports all devices of the RH850/F1L and RH850/F1KM-S1 series in an 80-pin package. It can be used standalone or in combination with the mainboard of the RH850 Evaluation Platform. The modular RH850 Evaluation Platform, consisting of mainboards and piggyback... Read More
Partner Boards & Kits
CAN Bus J1939 Bridge (for Heavy-Duty)
DRAM & Flash Memory Solutions
Reference Board for Motor Control Consulting Service
RH850 Microcontroller Evaluation Board
Traction Inverter/Motor Controller
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- Software PackageBMS application models and software reduce the effort and time required to develop applications to estimate State Of Charge and State Of Health.
- Software PackageRenesas' MCAL (Microcontroller Abstraction Layer) software drivers can be obtained as a stand-alone software package.
- IDE and Coding ToolRenesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0] (Note: CS+ is not generally promoted to U.S. and European customers.) (Note: To use Smart Configurator on CS+ for RL78/G23 and RX family MCUs, install the Smart Configurator for each MCU family separately downloading from ”Design & Support” > ”Development Tools” > ”Smart Configurator”)
- IDE and Coding ToolEclipse-based Renesas integrated development environment (IDE).
- IDE and Coding ToolGreen Hills MULTI Device-Support-Packages include all device specific files to be used with the MULTI IDE.
- Compiler/AssemblerC Compiler Package for RH850 Family [IDE: CS+, e² studio]
- Solution ToolkitRH850 Smart Configurator is an automatic driver generation tool for internal peripheral I/O modules through GUI settings.
- EmulatorOn-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RH850, RL78, RX, V850, 78K0R, 78K0, R8C]
- EmulatorOn-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
- EmulatorOn-chip debugging emulator. Also available as a flash memory programmer. For RX600 or RX700 Series MCU, trace functions and Real-time RAM monitor functions available. For MCUs other than RX600 or RX700, the available debugging function corresponds to that of E2 Emulator Lite. [Support MCU/MPU: RX, RL78, RH850, V850, 78K0R, 78K0, R8C]
- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer or Flash Development Toolkit] [Support MCU/MPU and devices: RX, RL78, RH850, V850, 78K0R, 78K0, R8C, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer] [Support MCU/MPU and devices: RE, RX, RL78, RH850, RISC-V MCU, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer or Flash Development Toolkit] [Support MCU/MPU and devices: RX, RL78, RH850, V850, 78K0R, 78K0, R8C, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- Programmer (Unit/SW)Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, DA1453x, DA1459x, DA1469x, DA1470x, DA148xx, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
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- Software PackageBMS application models and software reduce the effort and time required to develop applications to estimate State Of Charge and State Of Health.
- Software PackageRenesas' MCAL (Microcontroller Abstraction Layer) software drivers can be obtained as a stand-alone software package.
- IDE and Coding ToolRenesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0] (Note: CS+ is not generally promoted to U.S. and European customers.) (Note: To use Smart Configurator on CS+ for RL78/G23 and RX family MCUs, install the Smart Configurator for each MCU family separately downloading from ”Design & Support” > ”Development Tools” > ”Smart Configurator”)
- IDE and Coding ToolEclipse-based Renesas integrated development environment (IDE).
- IDE and Coding ToolGreen Hills MULTI Device-Support-Packages include all device specific files to be used with the MULTI IDE.View More (31)
Software & Tools (31)
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- Model - IBIS
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Simulation Models (2)
Development ToolUniversal third-party programmers support a wide range of Renesas programmable devices across both off-board and on-board programming modes.Provided By: Elnec s.r.o.- Development ToolProvides high-volume automated programming systems engineered for factory-scale production, enabling efficient handling of a wide range of integrated circuit (IC) devices. Optimized for microcontrollers (MCUs) and flash memory, the systems support tube, tape, and tray input/output configurations for flexible manufacturing integration. Advanced auto-teach alignment capabilities ...Provided By: DediProg Technology Co., Ltd.
- Development ToolThe AH-480 automated programming system is built around a patented rotary robotic arm equipped with dual-sided vacuum nozzles, enabling high-speed, high-precision IC pick-and-place operations. The system integrates 16 units of the latest LEAP universal programmers to deliver stable, high-throughput programming performance. Designed for ...Provided By: LEAP ELECTRONIC CO., LTD.
- Development ToolRTA-CAR (RTA-Classic AUTOSAR) is a compact and efficient, low-footprint software solution designed for series production in automotive applications. Used by hundreds of companies worldwide, it powers billions of automotive ECUs. As a single solution, RTA-CAR works with existing processes, can support multiple OEM needs and is ...Provided By: ETAS K.K.
- Development ToolProvides universal device programming systems combining algorithms, process-control software, and socket modules for Renesas microcontroller production. Enables high-volume programming across the RA, RX, RL78, RH850, RZ, R8C, V850, M16C, H8, H8SX, H8S, SH, 78K and Synergy families using 9th- and 10th-generation universal site technology. Supports new socket ...Provided By: BPM MicrosystemsView More (53)
Partner Solutions (53)
Support Communities
-
RH850/F1KM-S1 target boards schematic and user guide
I have RH850/F1KM-S1 target boards which i have to use in my one the project.so please share me schematic and necessary document so that i can start development.Thanks,Nitin Kanani
May 19, 2025 -
Why I con't modify the register value of WDTA of RH850/F1KM-S1
I con't modify the register value of WDTA of RH850/F1KM-S1, Do need a special procedure ?
Sep 8, 2021 -
RH850/ F1kM-S1 through the CAN online upgrade program
It is the first time to use RH850/ F1kM-S1. If want to upgrade the program through CAN, Are there any relevant sample software or documents for reference? Thank you
Oct 26, 2021
Knowledge Base
-
Maximum current output to drive a motor using 'RH850/F1KM-S1 Starter Kit’
The maximum current when using power supply via power jack is 0.5 A. if the power jack is used to power the motor control part of the board, an e-fuse will limit the current to ~ 400mA. There are possibilities to use other power supply for motor (VBAT) in ...
Nov 10, 2023 -
BSDL and IBIS files for RH850 devices
The BSDL and IBIS files for RH850 devices are now available on the website. Step 1: Go to the product landing page of the device family. Figure 1: Product Landing page RH850/F1KM-S1 Step 2: One the page click on the Design& Development section Figure 2: Design ...
Nov 6, 2023
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Partners
Vector Informatik GmbH
The MICROSAR evaluation package includes the Vector basic software according to AUTOSAR Classic as well as all necessary software tools.
Elektrobit Automotive GmbH
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.
Tata Elxsi Ltd.
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
Embien Technologies India Pvt Ltd.
Embien, together with Renesas, designed and developed the Secure Bootloader stack for Renesas RH850 devices that allows secure FOTA update and firmware validation.
