(often stylized as CubeSuite+ ) is an integrated development environment (IDE) developed by Renesas Electronics . It was designed as a unified software platform for coding, building, debugging, and performance analysis across Renesas’ broad microcontroller (MCU) families, including the 78K, RL78, RX, V850, and RH850 architectures.
CubeSuite includes Renesas’ optimizing compilers with several levels: cubesuite