The RH850 is Renesas Electronics' latest automotive micro-controller family that offers high performance balanced with very low power consumption over a wide and scalable range of products. This family offers rich functional safety and embedded security features needed for new and advanced automotive applications.

The RH850 family is offered in a Renesas 40nm process, an industry first, and offers tremendous capability and features as cost-effective pricing. The family offers a range of CPU core structures (single, multiple, lock-step and combination thereof) to support high performance and/or high reliability requirements.

Family Lineup

RH850 Family (Automotive only)


The RH850/D1x microcontroller provides the biggest MCU lineup for various instrument cluster segments, covering simple gauge cluster up to large TFTs. It integrates many features to build exciting HMIs at affordable cost.

Group Flash (KB) RAM (KB) Pin Voltage (V) Max Freq (MHz) Features
RH850/D1L 2048-4096 256-512 144-176 2.7-5.5 120 HMI
RH850/D1M 3840-5120 512 176-484 2.7-5.5 240 HMI


RH850/E2x microcontrollers are ideal for powertrain applications, have high operation processing performance for realizing new combustion systems for fuel-efficient engines, and built-in hardware for knock control such as a successive approximation A/D converter, delta-sigma A/D converter, cyclic A/D converter, Digital Filter Engine (DFE), and Advanced Timer Unit (ATU-V), and engine control such as fuel injection control.

Group Flash (KB) RAM (KB) Pin Voltage (V) Max Freq (MHz) Features
RH850/E2M - - - - - -


The RH850/F1x series microcontrollers are successor of V850E2/Fx4 and V850E2/Fx4-L. It expands on-chip flash memory and adds a small 48-pin package.

Group Flash (KB) RAM (KB) Pin Voltage (V) Max Freq (MHz) Features
RH850/F1H - - - - - -
RH850/F1L 256-2048 32-192 48-176 3-5.5 96 Auto Body


The RH850/P1x microcontroller is low power consumption and it has 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 ICU-S (Hardware Security Module) is built-in as optional.

Group Flash (KB) RAM (KB) Pin Voltage (V) Max Freq (MHz) Features
RH850/P1H-C 4096-8192 1088 292 3-3.6 240 Chassis systems
RH850/P1M-C 2048 448 144-292 3-3.6 240 Chassis systems
RH850/P1M 512-2048 64-128 100-144 3-5.5 160 Chassis systems
RH850/P1L-C 512-1024 64-100 144 3-5.5 120 Chassis systems
RH850/P1M-E 1024-2048 192 100-144 3-5.5 160 Chassis systems

Road Map


RH850 Family Features

Solutions for implementing the latest functional safety and security technologies optimally and easily in your system.

Development Environment for the Renesas RH850 Family MCUs

Renesas offers development environment which improves "reliability and performance of products" and "efficiency of development".