This part is a kind of semiconductor called STM32F030K6.

Function of this product has 32-bit MCU.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

STM32F030x4 STM32F030x6 STM32F030x8 STM32F030xC Value-line ARM®-based 32-bit MCU with up to 256 KB Flash, timers, ADC, communication interfaces, 2.4-3.6 V operation Datasheet - production data Features • Core: ARM® 32-bit Cortex®-M0 CPU, frequency up to 48 MHz • Memories – 16 to 256 Kbytes of Flash memory – 4 to 32 Kbytes of SRAM with HW parity • CRC calculation unit • Reset and power management – Digital & I/Os supply: VDD = 2.4 V to 3.6 V – Analog supply: VDDA = VDD to 3.6 V – Power-on/Power down reset (POR/PDR) – Low power modes: Sleep, Stop, Standby • Clock management – 4 to 32 MHz crystal oscillator – 32 kHz oscillator for RTC with calibration – Internal 8 MHz RC with x6 PLL option – Internal 40 kHz RC oscillator • Up to 55 fast I/Os – All mappabl [ ... ]

STM32F030K6 PDF Datasheet Download