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MKL03Z32VFK4

MKL03Z32VFK4

NXP USA Inc.
ARM® Cortex®-M0+ Kinetis KL03 Microcontroller IC 32-Bit 48MHz 32KB (32K x 8) FLASH 24-QFN (4x4)
Active254 in stock

Overview

The MKL03Z32VFK4 is an ultra-low-power 32-bit microcontroller from NXP's Kinetis KL03 family, based on the ARM Cortex-M0+ core. Operating at up to 48MHz, it integrates 32KB of Flash and 2KB of SRAM in a compact 4x4mm 24-QFN package. It is specifically designed for space-constrained applications that require high energy efficiency and a wide operating voltage range from 1.71V to 3.6V.

Why Choose This Part

The Kinetis KL03 stands out for its high energy efficiency, consuming only 5.49mA at 48MHz during flash compute operations. It includes specialized hardware features like the Bit Manipulation Engine (BME) for efficient peripheral bit-level access and a Micro Trace Buffer (MTB) for simplified debugging. Its wide array of low-power modes, including VLLS variants, allows developers to optimize the power profile for specific sleep and active cycles.

Applications

Portable Consumer Electronics
Ideal for battery-operated handheld devices due to its small footprint and ultra-low standby current of 566uA.
Smart Sensing Nodes
Utilizes the 7-channel 12-bit ADC and low-power wakeup unit to monitor environmental data with minimal power overhead.
Wearable Technology
The 24-pin QFN package and 48MHz performance suit fitness trackers and health monitoring devices requiring basic processing.

Key Specifications

Speed 48MHz
RAM Size 2K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, LVD, POR, PWM, WDT
Connectivity I2C, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 22
Core Processor ARM Cortex-M0+
Package / Case 24-VFQFN Exposed Pad
Data Converters A/D 7x12b
Oscillator Type Internal
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 24-QFN (4x4)
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V

Getting Started

Developers can evaluate this MCU using the FRDM-KL03Z Freedom Development Board. Software development is supported by MCUXpresso IDE and SDK, which provide peripheral drivers and power management examples. Debugging is handled via the integrated SWD interface and the Micro Trace Buffer for real-time instruction tracing.

Also Consider

STM32L011F4U6TR STMicroelectronics - An alternative ultra-low-power Cortex-M0+ MCU with 16KB Flash in a small QFN-20 package.
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