INThe HKIN HK32F031K6U6 Other Processors and Microcontrollers (MCUs) QFN-32 RoHS is a 32-pin QFN package that contains a high-speed 32-bit ARM Cortex-M0 MCU with 32KB of embedded Flash memory, 2KB of SRAM, and 8KB of EEPROM. It is also equipped with an 8-channel ADC, 2x USARTs, 1x SPI, 1x I2C, and PWM. The MCU supports an output voltage range of 1.8V to 3.6V, making it suitable for a range of plugged-in and portable embedded applications. The device is rated for a maximum frequency of 48MHz and supports a variety of on-chip peripherals for embedded networking, Wi-Fi, NFC, and more.