R4F20103RNFA#V0 is an IC from the R4F20100 series of 32-bit ARM Cortex-M0+ microcontrollers made by Renesas. This IC has a maximum clock frequency of 24 MHz, 512 kB of boot-ROM, up to 32 kB of SRAM, up to 80 kB of on-chip flash memory, a Nested Vectored Interrupt Controller (NVIC), a 10-bit servo motor control PWM (SVME) with 4 channels, an ECC error correction circuit, and an embedded 32-bit RISC CPU. It is used in a wide range of embedded applications, including industrial automation, home appliances, smart energy, digital instrumentation and more.