5Pcs STM32L051K8U6 MCU 32-bit ARM Cortex M0+ RISC 64KB Flash UFQFPN-32Packing List 5 Pcs Core Size 32 Bit Single Core Speed 32MHz Connectivity I2C, IrDA, SPI, UART USART Peripherals Brown out Detect Reset, DMA, POR, PWM, WDT Number of I O 27 Program Memory Size 64KB (64K x 8) Program Memory Type FLASH EEPROM Size 2K x 8 RAM Size 8K x 8 Voltage Supply (Vcc Vdd) 1. 65V ~ 3. 6V Data Converters A D 10x12b Oscillator Type Internal Operating Temperature 40C ~ 85C (TA) Mounting Type Surface Mount Supplier Device Package 32