Specification	MKL03Z32VFK4

Connectivity	I2C, SPI, UART/USART
Core Processor	ARM® Cortex®-M0+
Core Size	32-Bit Single-Core
Data Converters [custom]	7
Data Converters [custom]	12
Mounting Type	Surface Mount
Number of I/O	22
Operating Temperature [Max]	105 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Package / Case	24-VFQFN Exposed Pad
Peripherals	PWM, LVD, WDT, Brown-out Detect/Reset, POR
Program Memory Size	32 KB
Program Memory Type	FLASH
RAM Size	2K x 8
Speed	48 MHz
Supplier Device Package	24-QFN (4x4)
Voltage - Supply (Vcc/Vdd) [Max]	3.6 V
Voltage - Supply (Vcc/Vdd) [Min]	1.71 V

MKL03Z32 Series

Part	Connectivity	Number of I/O	Mounting Type	Speed	Supplier Device Package	Supplier Device Package [x]	Supplier Device Package [y]	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Peripherals	Data Converters [custom]	Data Converters [custom]	Core Processor	Program Memory Size	Operating Temperature [Max]	Operating Temperature [Min]	Oscillator Type	RAM Size	Package / Case	Program Memory Type	Core Size
Freescale Semiconductor - NXP MKL03Z32CAF4R	I2C SPI UART/USART	18	Surface Mount	48 MHz	20-WLCSP	2	1.61	3.6 V	1.71 V	Brown-out Detect/Reset LVD POR PWM WDT	7	12	ARM® Cortex®-M0+	32 KB	85 °C	-40 °C	Internal	2K x 8	20-UFBGA WLCSP	FLASH	32-Bit Single-Core
Freescale Semiconductor - NXP MKL03Z32VFK4	I2C SPI UART/USART	22	Surface Mount	48 MHz	24-QFN (4x4)			3.6 V	1.71 V	Brown-out Detect/Reset LVD POR PWM WDT	7	12	ARM® Cortex®-M0+	32 KB	105 °C	-40 °C	Internal	2K x 8	24-VFQFN Exposed Pad	FLASH	32-Bit Single-Core
Freescale Semiconductor - NXP MKL03Z32CBF4R	I2C SPI UART/USART		Surface Mount	48 MHz	20-WLCSP	2	1.61	3.6 V	1.71 V	Brown-out Detect/Reset LVD POR PWM WDT			ARM® Cortex®-M0+	32 KB	85 °C	-40 °C	Internal	2K x 8	20-XFBGA WLCSP	FLASH	32-Bit Single-Core

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

48MHz ARM Cortex-M0+ core

Nine low-power modes to provide power optimization based on application requirements

COP software watchdog

Technical documentation and resources