The V850E2/Px4 is equipped with two V850E2M CPUs in lockstep operation.One serves as the master CPU for normal operation, the other monitors the functions of the master CPU.Up to 1024 KB Flash and 144-pin QFP, the V850E2/Px4 (V850E2/PJ4) is the ideal device for automotive applications strong needs for functional safety and high performance requirements.




  • Common Automotive Technologies


Design & Development

Software & Tools

Software & Tools

Software title
Software type
RI850V4 V1 Real-time OS for V850 Family
μITRON4.0 Specification real-time OS for V850 Family [Required IDE : CS+, MULTI]
ITRON OS Renesas
C Compiler Package for V850 Family
C Compiler Package for V850 Family [IDE: CS+]
Compiler/Assembler Renesas
Simulator for CS+ of V850 Family
Simulator for CS+ of V850 Family [Support IDE : CS+] (Note: This product is included in Compiler Package and is not available separately.)
Simulator Renesas
Renesas 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 Tool 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
5 items

Software Downloads

Sample Code