NXP Semiconductors Document Number: KL03P24M48SF0 Data Sheet: Technical Data Rev. 5.1 08/2017 Kinetis KL03 32 KB Flash MKL03ZxxVFG4 48 MHz Cortex-M0+ Based Microcontroller MKL03ZxxVFK4 MKL03Z32CAF4R MKL03Z32CBF4R Supports ultra low power 48 MHz devices with up to 32 KB Flash. World s smallest MCU based on ARM technology. Ideal solution for Internet of Things edge nodes design with ultra small form factor and ultra low power consumption. The products 16-pin QFN (FG) 24-pin QFN (FK) offers: 2 3 x 3 x 0.65 Pitch 0.5 4 x 4 x 0.65 Pitch 0.5 Tiny footprint packages, including 1.6 x 2.0 mm WLCSP mm mm Run power consumption as low as 50 A/MHz Static power consumption as low as 2.2 A with 7.5 s wakeup time for full retention and lowest static mode down to 77 nA in deep sleep Highly integrated peripherals, including new boot ROM and 20 WLCSP high accurate internal voltage reference, etc 2 x 1.61 x 0.56 Pitch 0.4 mm(AF) 2 x 1.61 x 0.32 Pitch 0.4 mm (BF) Core Temperature range (ambient): -40 to 105C for QFN ARM Cortex -M0+ core up to 48 MHz packages -40 to 85C for WLCSP packages Memories Human-machine interface Up to 32 KB program flash memory General-purpose input/output up to 22 2 KB SRAM Communication interfaces 8 KB ROM with build-in bootloader One 8-bit SPI module 16 bytes regfile One LPUART module System peripherals One I2C module supporting up to 1 Mbit/s, with Nine low-power modes to provide power optimization double buffer based on application requirements Analog Modules COP Software watchdog Low-leakage wakeup unit 12-bit SAR ADC with internal voltage reference, up SWD debug interface and Micro Trace Buffer to 818 ksps and 7 channels Bit Manipulation Engine High-speed analog comparator containing a 6-bit DAC and programmable reference input Clocks 1.2 V voltage reference (Vref) 48 MHz high accuracy internal reference clock 8/2 MHz low power internal reference clock Timers 32 kHz to 40 kHz crystal oscillator Two 2-channel Timer/PWM modules 1 kHz LPO clock One low-power timer Real time clock Operating Characteristics Security and integrity modules Voltage range: 1.71 to 3.6 V 80-bit unique identification number per chip Flash write voltage range: 1.71 to 3.6 V NXP reserves the right to change the production detail specifications as may be required to permit improvements in the design of its products.Ordering Information1 Part Number Memory Maximum number of I O s Flash (KB) SRAM (KB) MKL03Z8VFG4(R) 8 2 14 MKL03Z16VFG4(R) 16 2 14 MKL03Z32VFG4(R) 32 2 14 MKL03Z32CAF4R 32 2 18 MKL03Z32CBF4R 32 2 18 MKL03Z8VFK4(R) 8 2 22 MKL03Z16VFK4(R) 16 2 22 MKL03Z32VFK4(R) 32 2 22 1. To confirm current availability of ordererable part numbers, go to