STM32F030K6T6  MCU, 32BIT, CORTEX-M0, 48MHZ, LQFP-32

https://www.st.com/en/microcontrollers-microprocessors/stm32f030k6.html

    Architecture: ARM Cortex-M0
    CPU Speed: 48MHz
    Embedded Interface Type: I2C, SPI, USART
    MCU Case Style: LQFP
    No. of I/O's: 26
    No. of Pins: 32
    Program Memory Size: 32KB
    RAM Memory Size: 4KB
    Supply Voltage Max: 3.6V
    Supply Voltage Min: 2.4V