NXP Semiconductors MKL02Z8VFG4R

Overview

MKL02Z8VFG4R from NXP Semiconductors is a 32-bit ARM Cortex-M0+ microcontroller in a 16-pin QFN package, delivering up to 48 MHz operation with 8 KB flash and 1 KB SRAM. It supports ultra-low-power run mode (36 μA/MHz), 2 μA static current with full state retention, and operates across –40°C to 105°C for industrial sensor nodes and battery-powered HMI applications.

For engineers reviewing the MKL02Z8VFG4R datasheet, MKL02Z8VFG4R pinout, MKL02Z8VFG4R application, or MKL02Z8VFG4R equivalent, key selection criteria include its 14 GPIO count, dual I²C interfaces, integrated 12-bit SAR ADC with analog comparator, low-power UART, and support for nine power modes including VLLS0 (0.12 µA typical).

Technical Context

The MKL02Z8VFG4R implements an ARM Cortex-M0+ core with Bit Manipulation Engine (BME) and Micro Trace Buffer (MTB) for efficient debug and code execution. Its clock system integrates a 32 kHz crystal oscillator, multi-purpose clock source, and 1 kHz LPO - enabling precise timing control across all nine low-power modes.

System-level integration includes a COP software watchdog, SWD debug interface, energy-optimized 90nm TFS process, zero-wait-state flash controller, and clock/power gating. Analog subsystem comprises a 12-bit SAR ADC, analog comparator with embedded 6-bit DAC, and programmable reference input - all operable down to 1.71 V supply.

Key Specifications

Pinout & Package

Package: 16-pin QFN (VFG4), 3 mm × 3 mm × 0.65 mm, 0.5 mm pitch, exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MKL02Z8VFG4R, STM32L011K4T6 offers more flash and I/O but lacks the integrated 6-bit DAC in the analog comparator, while EFM32ZG108F8 provides comparable memory but lower performance and no DAC - making MKL02Z8VFG4R uniquely suited for compact, DAC-dependent analog thresholding in ultra-low-power designs.

Availability

MKL02Z8VFG4R is available at Aetrix Electronics and suitable for smart sensor nodes, industrial HMI panels, and wearable health monitors requiring stable component supply and long-term lifecycle assurance.

Supply support for MKL02Z8VFG4R includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The Kinetis KL02 family targets ultra-low-power, cost-sensitive embedded applications - designed specifically for space-constrained, battery-operated devices requiring robust analog integration and scalable memory options.

FAQ

What is the maximum operating frequency of the MKL02Z8VFG4R?

The MKL02Z8VFG4R features an ARM Cortex-M0+ core rated for up to 48 MHz operation in normal run mode. In very-low-power run (VLPR) mode, the maximum core frequency is 4 MHz. These frequencies are supported across the full 1.71–3.6 V supply range and –40°C to +105°C ambient temperature, with zero-wait-state flash enabling deterministic execution at all speeds. The MKL02Z8VFG4R achieves this performance using a 90nm TFS process and optimized clock gating.

Does the MKL02Z8VFG4R support hardware debugging?

Yes, the MKL02Z8VFG4R includes a Serial Wire Debug (SWD) interface compliant with ARM CoreSight standards, along with a Micro Trace Buffer (MTB) for instruction trace capture. Debug access is implemented via dedicated SWDIO and SWCLK pins, supporting breakpoints, watchpoints, and real-time variable inspection. The MKL02Z8VFG4R does not require external debug probes beyond standard SWD-capable tools such as LPC-Link2 or CMSIS-DAP adapters.

How many analog-to-digital converter channels does the MKL02Z8VFG4R have?

The MKL02Z8VFG4R integrates a 12-bit successive approximation register (SAR) ADC with up to 14 input channels, though only 10 are accessible in the 16-pin VFG4 package due to pin multiplexing constraints. The ADC supports single-ended and differential modes, programmable gain, and hardware-triggered conversions synchronized to timers or other peripherals. This capability is fully documented in the MKL02Z8VFG4R reference manual (KL02P32M48SF0RM1) and verified in electrical characterization data.

What low-power modes are available on the MKL02Z8VFG4R?

The MKL02Z8VFG4R implements nine distinct low-power modes: RUN, WAIT, STOP, VLPR, VLPW, VLPS, VLLS0, VLLS1, and VLLS3. Each mode offers specific trade-offs between current consumption, wake-up latency, and retained functionality - for example, VLLS0 draws just 0.12 µA (typ) with full RAM and register retention and 4 μs wake-up time. These modes are controlled via the System Mode Controller (SMC) and validated across temperature and voltage ranges per the MKL02Z8VFG4R datasheet (Rev. 5, 08/2017).

Is the MKL02Z8VFG4R pin-compatible with other KL02 family members?

No, the MKL02Z8VFG4R is not pin-compatible with other KL02 variants in different packages (e.g., VFK4 or VFM4). While all KL02Zxx parts share identical signal naming and functional block diagrams, the 16-pin VFG4 package has only 14 GPIOs and omits several peripheral signals present in 24-pin and 32-pin versions - such as additional UART lines, extra ADC inputs, and enhanced timer outputs. Pin compatibility is strictly limited to other VFG4-suffix parts (e.g., MKL02Z16VFG4, MKL02Z32VFG4), which share identical 16-pin QFN footprints and signal mappings.