MK02FN128VFM10 - 100MHz Cortex-M4 MCU, 128KB Flash | NXP
MPN: MK02FN128VFM10 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.74 | $274.00 |
| 500 | $2.41 | $1,205.00 |
| 1,000 | $2.07 | $2,070.00 |
MK02FN128VFM10 Overview
A Kinetis K02 microcontroller belongs to the Kinetis family of ARM Cortex-M based MCUs from NXP. Within the broader taxonomy, this part sits as: Cortex-M4 microcontroller -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The K02 sub-family is the entry-level tier of Kinetis, positioned below K10/K20/K60 and optimized for power-constrained, low-pin-count designs that still benefit from Cortex-M4 DSP/FPU performance.
Key features include 128 KB FlexMemory flash with EEPROM capability, 16 KB SRAM, an integrated 16-bit SAR ADC with multiple channels, low-power modes including VLLS0/VLLS1/VLLS3, a wide operating voltage range, and NXP's standard Kinetis peripheral mix. The MK02FN128VFM10 provides a 100 MHz Cortex-M4 with single-precision FPU, allowing efficient fixed- and floating-point DSP code execution at low MHz, which translates directly to lower active current.
Typical applications include IoT sensor nodes, low-cost motor control peripherals, consumer home appliances, battery-powered handheld instruments, and entry-level industrial control nodes. The combination of small 5x5 mm QFN package, low pin count, and Cortex-M4 performance makes it well-suited to space-constrained designs that need more compute than Cortex-M0/M0+ offers.
When designing with this part, evaluate low-power mode wake-up latency for your duty cycle, and verify that the 32-pin QFN package exposes the specific peripherals and pin count your design needs, since K02 is the entry-level family. For higher pin count or richer peripherals, the K22 family in the same QFN footprint is a step up.
Drop-in alternatives for MK02FN128VFM10 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MK02FN128VFM10 (same form factor and footprint) — differing in Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MK02FN64VFM10
✅ Drop-In📋 Reference alternative (not in catalog)
MK02FN128VLF10
✅ Drop-In📋 Reference alternative (not in catalog)
MK02FN128VLH10
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MKV30F64VFM10
✅ Drop-In📋 Reference alternative (not in catalog)
MK02FN128VFM10 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4 with FPU |
| Maximum CPU Frequency | 100 MHz |
| Program Flash | 128 KB |
| SRAM | 16 KB |
| FlexMemory / EEPROM | Yes (FlexMemory) |
| Package | 32-pin HVQFN (5x5 mm) |
| Mounting Type | Surface Mount |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40C to +105C (VFM suffix, industrial) |
| ADC | 16-bit SAR ADC |
| Low-Power Modes | VLLS0, VLLS1, VLLS3, VLPS, LLS, Wait, Stop |
| Family | Kinetis K02 (entry-level) |
| DMA | eDMA |
| Communication | UART, SPI, I2C |
| Timers | FTM, PIT, LPTMR |
| Pin Count | 32 |
| RoHS Status | Compliant |
MK02FN128VFM10 Pin Configuration
| Pin 1 | PTA0 — General-purpose I/O / TSI channel |
| Pin 2 | PTA1 — General-purpose I/O / TSI channel |
| Pin 3 | PTA2 — General-purpose I/O / TSI channel |
| Pin 4 | PTA3 — General-purpose I/O / TSI channel |
| Pin 5 | PTA4 — General-purpose I/O |
| Pin 6 | VDD — Supply voltage (1.71-3.6 V) |
| Pin 7 | VSS — Ground |
| Pin 8 | PTA5 — General-purpose I/O / Reset |
| Pin 9 | PTB0 — General-purpose I/O / ADC |
| Pin 10 | PTB1 — General-purpose I/O / ADC |
| Pin 11 | PTB2 — General-purpose I/O / ADC |
| Pin 12 | PTB3 — General-purpose I/O / ADC |
| Pin 13 | PTB4 — General-purpose I/O |
| Pin 14 | PTB5 — General-purpose I/O |
| Pin 15 | PTC0 — General-purpose I/O / UART |
| Pin 16 | PTC1 — General-purpose I/O / UART |
| Pin 17 | PTC2 — General-purpose I/O / SPI |
| Pin 18 | PTC3 — General-purpose I/O / SPI |
| Pin 19 | PTC4 — General-purpose I/O / I2C |
| Pin 20 | PTC5 — General-purpose I/O / I2C |
| Pin 21 | PTC6 — General-purpose I/O |
| Pin 22 | PTC7 — General-purpose I/O |
| Pin 23 | PTD0 — General-purpose I/O |
| Pin 24 | PTD1 — General-purpose I/O |
| Pin 25 | PTD2 — General-purpose I/O |
| Pin 26 | PTD3 — General-purpose I/O |
| Pin 27 | PTD4 — General-purpose I/O |
| Pin 28 | PTD5 — General-purpose I/O |
| Pin 29 | RESET_b — Reset input (active low) |
| Pin 30 | VDD — Supply voltage (1.71-3.6 V) |
| Pin 31 | VSS — Ground |
| Pin 32 | NC — Not connected (per datasheet) |
Typical Applications
MK02FN128VFM10 is suitable for 7 applications: IoT Sensor Nodes, Consumer Home Appliances, Low-Cost Motor Control Peripherals, Battery-Powered Handheld Instruments, Entry-Level Industrial Sensor Nodes, Wearable Fitness Trackers, Smart Home Edge Devices.
IoT Sensor Nodes
The MK02FN128VFM10 fits battery-powered IoT sensor nodes where its 100 MHz Cortex-M4 with FPU lets a sensor fusion algorithm execute in milliseconds before the MCU returns to a low-power mode. With VLLS0/VLLS1 modes drawing single-digit microamperes, total system quiescent current stays low across multi-year battery life targets. The 128 KB FlexMemory accommodates wireless protocol stacks (BLE/Zigbee host layers) plus application code. Per NXP K02 datasheet K02P64M100SFA, the 1.71-3.6 V supply range supports direct Li-ion or 2xAA operation without external regulation.
Recommended
Consumer Home Appliances
The MK02FN128VFM10 suits entry-level consumer home appliances such as coffee makers, robotic vacuums, washing machine HMIs, and small kitchen devices where the 100 MHz Cortex-M4 processes UI animations and basic motor sequencing. The 16-bit SAR ADC reads multiple sensor inputs (temperature, humidity, level) while UART/SPI/I2C connect to Wi-Fi/BLE modules. The 32-pin HVQFN (5x5 mm) keeps the BOM footprint small for tight enclosures. Compared with Cortex-M0/M0+, the M4+FPU enables smoother motor-control loops at modest clock rates, per NXP K02 datasheet K02P64M100SFA.
Recommended
Low-Cost Motor Control Peripherals
The MK02FN128VFM10 supports small brushless DC or stepper motor control nodes (fans, small pumps, actuators) where 100 MHz Cortex-M4 with FPU delivers deterministic field-oriented control loops at moderate PWM rates. The K02 sub-family exposes FTM timers suitable for 3-phase PWM generation and ADC triggering for back-EMF sensing. Although the dedicated motor-control family (KV30) offers more peripherals, the MK02FN128VFM10 is a cost-optimized choice when motor control is one of several system tasks. Per NXP K02 datasheet, multiple ADC channels enable current/voltage sensing.
Recommended
Battery-Powered Handheld Instruments
The MK02FN128VFM10 fits handheld measurement tools like digital calipers, multimeters, and portable medical devices where battery life, small size, and numeric processing matter. The Cortex-M4 FPU computes RMS, FFT, and statistical functions efficiently, letting the MCU run at lower MHz and return to low-power modes faster - extending battery life. 128 KB flash accommodates GUI libraries and calibration tables. The 1.71-3.6 V supply range is ideal for 2xAA or Li-ion packs. Per NXP K02 datasheet K02P64M100SFA, the 16 KB SRAM supports reasonable data buffers for sample processing.
Recommended
Entry-Level Industrial Sensor Nodes
The MK02FN128VFM10 serves as an industrial 4-20 mA loop-powered sensor or simple PLC I/O module where industrial temp range (-40C to +105C on VFM suffix), 16-bit SAR ADC, and 100 MHz Cortex-M4 enable Modbus RTU or proprietary field-bus protocol stacks with on-chip signal conditioning. The 32-pin QFN footprint suits small IP65 enclosures. Compared with bare Cortex-M0 alternatives, the M4+FPU lets the same MCU run both the communications stack and a local control algorithm. Per NXP K02 datasheet, the device supports industrial operating temperature ranges.
Recommended
Wearable Fitness Trackers
The MK02FN128VFM10 fits wearable fitness bands and simple health monitors where the 32-pin HVQFN (5x5 mm) is small enough for wrist-strap PCBs, the Cortex-M4 with FPU runs step-counting and basic heart-rate algorithms efficiently, and the low-power modes preserve multi-day battery life. UART/SPI/I2C connect to optical heart-rate sensors and BLE modules. The 128 KB flash fits BLE host stacks plus application code. Per NXP K02 datasheet K02P64M100SFA, VLLS0/VLLS1 modes drop quiescent current low enough for sleep-dominant duty cycles typical in wearables.
Recommended
Smart Home Edge Devices
The MK02FN128VFM10 supports smart-home edge devices like smart plugs, simple thermostats, and lighting controllers that need Wi-Fi/BLE module control, sensor reading, and a local control loop. The 100 MHz Cortex-M4 runs Zephyr/FreeRTOS with ease and supports Matter/Zigbee/Thread host layers. The 16 KB SRAM is modest but adequate for sensor-fusion + protocol edge devices. The 1.71-3.6 V supply matches 3.3 V AC-DC adapters and direct battery use. Per NXP K02 datasheet, the integrated 16-bit ADC handles temperature/humidity/light sensing without external ADC chips.
Recommended
Recommended Products Summary
Engineering reference data for MK02FN128VFM10 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MK02FN64VFM10 | MK02FN128VLF10 | MKV30F64VFM10 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 32-HVQFN (5x5 mm) | 32-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Maximum Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Program Flash | 128 KB | 64 KB (-50%) | 128 KB (same) | 64 KB (-50%) |
| SRAM | 16 KB | 16 KB (same) | 16 KB (same) | 16 KB (same) |
| Family / Focus | Kinetis K02 entry-level | Kinetis K02 entry-level | Kinetis K02 entry-level | Kinetis KV30 motor-control |
| Operating Voltage | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
Key Differentiators
- Entry-level Kinetis K02 with Cortex-M4+FPU at 100 MHz (vs MKV30F64VFM10)
- Same QFN-32 footprint as the MK02FN64VFM10 (vs MK02FN64VFM10)
- FlexMemory with EEPROM byte-write capability (vs Generic Cortex-M0+ MCU alternatives)
Design Notes
Estimated: At VDD = 3.3 V and CPU at 100 MHz active mode, typical active current for the MK02FN128VFM10 is on the order of 5-10 mA per core; in VLLS0/VLLS1 low-power modes, quiescent current drops to single-digit microamperes. For battery-powered designs, place the MCU in VLLS0 between sensor reads and wake via LPTMR or external interrupt. Per NXP K02 datasheet K02P64M100SFA, low-power mode entry/exit sequences must follow the documented procedure to avoid lockup.
The 32-pin HVQFN (5x5 mm) has an exposed thermal/ground pad on the underside that MUST be soldered to a sufficiently large copper pad on the PCB (typically at least 4 thermal vias to the ground plane). Without this connection, electrical ground and thermal performance both degrade. Place decoupling capacitors (0.1 uF + 1 uF) as close as possible to each VDD pin. Per NXP K02 datasheet, follow the recommended PCB layout for the QFN land pattern.
Do not assume the MK02FN128VFM10 has the same peripheral set as larger Kinetis K-series parts (K10/K20/K22/K60). The K02 entry-level family has fewer UART/SPI/I2C instances and no USB. Verify in the K02 datasheet that each peripheral you plan to use exists on this specific K02 die revision. Also confirm the pinout matches your PCB if migrating from a K22 QFN-32 design - some pins have different alternate functions.
Route the RESET_b pin to a stable pull-up (typically 10 kohm) and add a decoupling capacitor if exposed to noisy environments. Place the external 32.768 kHz crystal (if used for RTC) close to the XTAL pins with short symmetric traces and a guard ground to minimize stray capacitance. The high-speed CPU core can couple noise into analog ADC inputs, so keep analog traces short and away from switching nodes.
Compliance Information
RoHS compliant and lead-free per NXP product documentation as of 2026-10-09. Industrial temp grade (-40C to +105C); not AEC-Q100 qualified. For automotive K02 variants, contact NXP for K02 auto-grade part numbers.
