The 72221L10J is a PXN-type 32-bit microcontroller manufactured by Renesas Electronics. It is part of their RZ/G2 series of microcontrollers and boasts a wide range of features, such as a large internal RAM and Flash memory, four pulse-width modulation (PWM) channels, up to 108MHz operating frequency, up to 12 timers and six communication ports. It also supports multiple operating systems, such as Linux, RTOS, and FreeRTOS, making it an excellent choice for embedded applications.