The RH850/P1M microcontroller is low power consumption and it has up to 2 MB flash and up to 128 KB RAM lineup and enhanced motor control timer, CAN interface, digital interface for sensor such as SENT and PSI5 and safety functions such as lockstep CPU, ECC, BIST (Built-in Self Test) and ECM (Error Control Module) and suitable for chassis systems. Furthermore Only 2 MB flash product is built-in ICU-S (Hardware Security Module) as optional.


  • CPU: G3M core, Max. 160MHz
  • Voltage: 3V to 5.5V
  • Package: 100 to 144-pin LFQFP
  • Memory: SRAM Max. 128KB, Program Flash Max. 2MB
  • Timer: 32-bit Timer (ch) x 12, 16-bit Timer (ch) x 48, Watchdog Timer (ch) x 1, TSG3 x2unit, ENCA x2unit, OSTM x7unit, TPBA x2unit
  • PWM: PWM Output x 32, 3-phase PWM Output Function
  • Analog function: 12-bit A/D Converter (ch) x 24
  • On-chip Oscillator Freq. (MHz): 8 MHz
  • Others: PLL, Power-On Reset, Low Voltage Detection




  • Chassis & Safety


Functional Safety documentation can be released under NDA. Request Document

  • Functional Safety Documentation

Design & Development

Software & Tools

Software & Tools

Software title
Software type
E2 emulator [RTE0T00020KCE00000R]
On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
Emulator Renesas
Renesas Flash Programmer (Programming GUI)
Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU Renesas Synergy, DA1459x, DA1469x, DA1470x, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
Programmer (Unit/SW) Renesas
Automotive BMS Application Model & Software
BMS application models and software reduce the effort and time required to develop applications to estimate State Of Charge and State Of Health.
Software Package Renesas
Renesas MCAL
Renesas' MCAL (Microcontroller Abstraction Layer) software drivers can be obtained as a stand-alone software package.
Software Package Renesas
Green Hills Multi
Multi development environments allow to quickly develop, debug, test, and optimize embedded and real-time applications. The Green Hills optimizing compilers generate the smallest and fastest code from C, C++, and Ada.
IDE and Coding Tool Green Hills Software LLC
IAR Embedded Workbench for Renesas RH850
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.
IDE and Coding Tool IAR Systems
Green Hills MULTI Device-Support-Packages
Green Hills MULTI Device-Support-Packages include all device specific files to be used with the MULTI IDE.
IDE and Coding Tool Renesas
7 items

Software Downloads

Sample Code

Boards & Kits

Boards & Kits


Recommended Peripheral Devices

Analog/Power Device Recommended Product Features Featured Document Ordering
Power Management IC RAA270005KFP Ideal power solution for RH850/P1x(with Built in voltage regulator for MCU's core). Integrated fault diagnosis and monitor functions. Support cranking operation. [Document:1218401] Contact Sales