STM32L051K8U6,integrated circuit embedded microcontroller stmicroelectronics series STM32L0 parcel tray Core processor Arm cortex -M0+ Magnetic core volume 32-bit single core speed 32 MHz Connectivity I C、IrDA、SPI、UART/USART ancillary equipment Power-down detection/reset, DMA, POR, PWM, WDT Input quantity Twenty-seven Program memory size 64KB (64K x 8) Program memory type glitter EEPROM size 2K x 8 RAM size 8K x 8 Power supply voltage (Vcc/Vdd) 1.65 ~ 3.6 volts data converter Analog-to-digital converter 10x12b Oscillator type internal Working temperature -40 degrees Celsius to 85 degrees Celsius Installation type Surface adhesion mode Package/box 32-UFQFN exposed pad Supplier package 32-UFQFPN (5x5)