The FT61F021A-RB from Fremont Micro Devices is an Other Processors and Microcontrollers (MCUs) SOP-8 RoHS package. It is a 32-bit ARM Cortex-M0 MCU, with integrated programmable logic, low-power SRAM, Flash memory, RC oscillator, power-on LED, reset circuit, debugging and programming interfaces as well as both GPIOs and analog interfaces. As part of its integrated programmable logic, it provides configurable logic for sequencing, arithmetic and logic functions with the aid of the FPGA-type logic elements. This MCU offers extreme flexibility, combined with a cost effective solution for many applications.