M4 core, 40nm process, Flexible Software Package, FSP, FreeRTOS

The Renesas RA4W1 32-bit microcontroller (MCU) group is the first single chip 48MHz Bluetooth 5.0 compatible MCU for IoT applications that require high performance.

https://www.futureelectronics.com/npi/renesas-ra4w1-32-bit-microcontrollers