Model:MKL03Z32CBF4R BRAND:NXP SERIES:Kinetis KL03 pack:tape (TR) Part status:in stock Core processor:ARM? Cortex?-M0+ speed:48MHz Coprocessor/DSP:I2C,SPI,UART/USART RAM Controller:Undervoltage detection/reset,LVD,POR,PWM,WDT Voltage:1.71V ~ 3.6V Operating temperature:- Safety features:interior Encapsulation/Shell:-40°C ~ 85°C(TA) Supplier device packaging:Surface mount type description:IC MCU 32BIT 32KB FLASH 20WLCSP