NXP Semiconductors MKL02Z32VFG4R
- Part No.:
- MKL02Z32VFG4R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 16-UFQFN Exposed Pad
- Datasheet:
-
MKL02Z32VFG4R.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 16QFN
- Quantity:
- Payment:

- Shipping:

Inventory:5,000
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Product details
Overview
MKL02Z32VFG4R from NXP Semiconductors is a 32-bit ARM Cortex-M0+ microcontroller in a 16-pin QFN package, delivering up to 48 MHz operation with 32 KB flash and 4 KB SRAM. It features ultra-low-power run mode (36 μA/MHz), 2 μA static current with full state retention, and integrated analog peripherals including a 12-bit SAR ADC and analog comparator with 6-bit DAC - optimized for battery-powered sensor nodes and portable medical devices.
For engineers reviewing the MKL02Z32VFG4R datasheet, MKL02Z32VFG4R pinout, MKL02Z32VFG4R application, or MKL02Z32VFG4R equivalent, key selection criteria include its 16-pin QFN footprint, -40°C to 105°C operating range, 1.71–3.6 V supply, nine low-power modes, and support for SPI, two I²C, and low-power UART interfaces in space-constrained embedded designs.
Technical Context
The MKL02Z32VFG4R implements an ARM Cortex-M0+ core with Bit Manipulation Engine (BME) and Micro Trace Buffer (MTB) for efficient code execution and debug visibility. Its clock system integrates a 32–40 kHz crystal oscillator, 1 kHz LPO, and configurable MCG with FEI/FBE/BLPI/BLPE modes to enable dynamic power-performance scaling across nine low-power states.
System-level integration includes a COP watchdog, SWD debug interface, energy-optimized 90nm TFS process with clock/power gating, and memory-mapped peripherals such as two 2-channel Timer/PWM modules, 16-bit LPTMR, and GPIO with interrupt capability on all 14 I/O pins - all supporting deterministic real-time response in resource-limited edge applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, 48 MHz max - delivers industry-leading 1.25 DMIPS/MHz for compact firmware in cost-sensitive IoT endpoints. |
| Memory | 32 KB flash / 4 KB SRAM - sufficient for bootloader + application + OTA update staging in constrained-edge firmware. |
| Power Modes | Nine low-power modes including VLLS0 (0.12 µA typ) - enables multi-year battery life in wake-on-event sensor systems. |
| Analog Peripherals | 12-bit SAR ADC (up to 1.2 MSPS), CMP with 6-bit DAC - supports precision analog sensing without external signal conditioning. |
| I/O Count | 14 GPIO with interrupt capability - matches 16-pin QFN pinout while retaining flexibility for button, LED, and sensor interfacing. |
| Operating Range | 1.71–3.6 V supply, -40°C to 105°C ambient - suitable for industrial-grade portable equipment and automotive cabin modules. |
| Communication | 1× SPI, 2× I²C, 1× low-power UART - provides essential serial connectivity for sensor fusion and host communication with minimal pin count. |
Pinout & Package
Package: 16-pin QFN (VFG), 3 mm × 3 mm × 0.65 mm, 0.5 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Digital supply | Primary 1.71–3.6 V power input; decoupling required within 1 cm of pin for stable core operation. |
| VSS | Digital ground | Reference return for digital logic and I/O; must be connected to PCB ground plane under thermal pad. |
| VDDA | Analog supply | Separate 1.71–3.6 V analog rail; requires dedicated LC filtering to minimize noise coupling into ADC/CMP. |
| VSSA | Analog ground | Isolated analog reference return; star-connected to VSS at single point to prevent digital noise injection. |
| PTA0/ADC0_SE4a | GPIO / ADC input | Configurable as digital I/O or analog input channel 4a; supports single-ended ADC conversion with internal reference. |
| PTA1/ADC0_SE5a | GPIO / ADC input | Second analog-capable pin; enables dual-sensor acquisition without external multiplexer in compact designs. |
| PTA2/UART0_TX | GPIO / UART TX | Default UART transmit output; supports low-power UART operation down to 115.2 kbps with automatic baud rate detection. |
| PTA3/UART0_RX | GPIO / UART RX | UART receive input with glitch filter; enables wake-from-VLPS on valid start bit for event-driven communication. |
| PTA4/I2C0_SCL | GPIO / I²C clock | Open-drain I²C clock line with programmable slew rate; supports standard (100 kbps) and fast (400 kbps) modes. |
| PTA5/I2C0_SDA | GPIO / I²C data | Open-drain I²C data line with internal pull-up option; allows direct connection to I²C sensors without external resistors. |
| PTA12/SPI0_SOUT | GPIO / SPI output | SPI data output pin; supports master/slave operation with programmable polarity and phase for legacy peripheral compatibility. |
| PTA13/SPI0_SIN | GPIO / SPI input | SPI data input with sample delay control; enables robust sampling in noisy environments via configurable timing offsets. |
| PTB0/SPI0_PCS0 | GPIO / SPI chip select | Active-low SPI peripheral select; supports automatic deassertion during wait/stop modes to reduce peripheral leakage. |
| PTB1/SPI0_SCK | GPIO / SPI clock | SPI clock output with programmable divider; allows clock stretching for slow peripherals without CPU intervention. |
| RESET_b | Active-low reset | Asynchronous reset input with internal pull-down; accepts 100 ns minimum pulse width for reliable brownout recovery. |
| CLKIN/EXTAL | Crystal input | Connects to 32.768 kHz crystal; enables precise RTC operation and low-power timer accuracy ±20 ppm over temperature. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power architecture | 0.12 µA VLLS0 mode with RAM retention and 4 µs wakeup - extends coin-cell battery life beyond 10 years in periodic-sense applications. |
| Integrated analog subsystem | 12-bit ADC + comparator with 6-bit DAC - eliminates need for external op-amps or reference ICs in closed-loop sensor systems. |
| Energy-optimized clocking | Multi-mode MCG with BLPE/BLPI support - enables seamless transition between 48 MHz run and 4 MHz VLPR modes without software overhead. |
| Robust debug interface | SWD with Micro Trace Buffer - captures real-time instruction trace in low-power modes for deterministic firmware validation. |
| Secure device identity | 80-bit unique identification number - enables cryptographic key binding and anti-cloning in firmware authentication schemes. |
Applications
| Wearable Health Monitor | Smart Building Sensor Node |
|---|---|
Use Scenario: Continuous ECG/PPG signal acquisition from dry electrodes in wrist-worn form factor with BLE telemetry. IC Role / Device Role / Timing Role: Central MCU managing analog front-end sampling, digital filtering, and low-power UART-to-BLE bridge; synchronizes ADC conversions to 32.768 kHz RTC for timestamped data packets. Use Value: 14 GPIO and integrated 12-bit ADC eliminate external signal chain components, while VLLS0 mode enables >5-year battery life on CR2032. | Use Scenario: Wireless occupancy/motion/temperature sensor deployed in HVAC ducts with 10-year maintenance interval. IC Role / Device Role / Timing Role: System controller reading PIR and thermistor via ADC, driving I²C environmental sensor, and scheduling periodic LoRaWAN transmissions using LPTMR wake events. Use Value: Nine low-power modes and 2 µA static current allow operation on primary lithium thionyl chloride cells across -40°C to 105°C ambient range. |
| Industrial Handheld Scanner | Medical Disposable Device |
Use Scenario: Battery-powered barcode scanner with laser trigger, decode engine, and USB-C charging interface. IC Role / Device Role / Timing Role: Real-time decoder co-processor handling SPI-connected image sensor and UART-linked decode ASIC; manages power sequencing during USB insertion. Use Value: 48 MHz Cortex-M0+ delivers 1.25 DMIPS/MHz throughput for on-device barcode parsing, while 16-pin QFN minimizes PCB area for ergonomic housing. | Use Scenario: Single-use glucose meter requiring FDA-compliant firmware, tamper-proof calibration, and 2-year shelf life. IC Role / Device Role / Timing Role: Safety-critical controller executing ISO 13485-certified algorithm, validating test strip electrochemistry via ADC, and enforcing write-protection on flash calibration constants. Use Value: 80-bit UID enables per-device cryptographic binding; flash protection registers prevent unauthorized firmware modification during field use. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32L011K4T6 | 32 KB flash, 8 KB SRAM, 32-pin QFN; higher SRAM but larger footprint and no integrated DAC. | Requires external DAC for analog comparator function; better suited for applications needing more RAM than I/O density. | Select when firmware complexity demands >4 KB RAM and board area permits 32-pin package. |
| EFM32ZG108F32 | 32 KB flash, 4 KB RAM, 24-pin QFN; lower active current (116 µA/MHz) but no 32.768 kHz crystal oscillator support. | Lacks hardware RTC accuracy for time-stamped logging; requires external crystal for precision timing. | Choose for ultra-low-active-current applications where RTC precision is secondary to runtime efficiency. |
Compared with STM32L011K4T6 and EFM32ZG108F32, MKL02Z32VFG4R uniquely balances 16-pin footprint, integrated 6-bit DAC, and factory-trimmed 32.768 kHz crystal oscillator - making it optimal for size- and timing-critical disposable and wearable systems where BOM count and calibration stability are design priorities.
Availability
MKL02Z32VFG4R is available at Aetrix Electronics and suitable for wearable health monitors, smart building sensor nodes, industrial handheld scanners, and medical disposable devices requiring stable component supply and long-term lifecycle support.
Supply support for MKL02Z32VFG4R 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with R&D centers across 30 countries and ISO 9001-certified manufacturing.
The Kinetis KL02 family targets ultra-low-power, cost-optimized embedded control - designed specifically for battery-operated sensors, wearables, and disposable medical devices where small footprint, sub-µA sleep current, and integrated analog functionality are critical.
FAQ
What is the maximum operating frequency of the MKL02Z32VFG4R?
The MKL02Z32VFG4R features an ARM Cortex-M0+ core rated for up to 48 MHz operation in normal run mode. This frequency is achievable with the internal FLL locked to a 32.768 kHz crystal or external clock source, and requires VDD ≥ 2.7 V for guaranteed timing compliance per the KL02P32M48SF0 datasheet Rev. 5.
Does the MKL02Z32VFG4R support hardware debugging?
Yes, the MKL02Z32VFG4R includes a Serial Wire Debug (SWD) interface compliant with ARM CoreSight standards, plus a Micro Trace Buffer (MTB) for real-time instruction trace. Debug access is available via standard SWD pins (SWDCLK/SWDIO) and supports breakpoints, watchpoints, and memory inspection without halting real-time peripherals.
How many I/O pins does the MKL02Z32VFG4R provide in its 16-pin QFN package?
The MKL02Z32VFG4R provides 14 general-purpose I/O pins in its 16-pin QFN (VFG) package. Pins 1 and 16 are dedicated to VDD and VSS respectively, leaving 14 pins available for GPIO, analog input, UART, I²C, SPI, and reset functions - all configurable via PORTx_PCRn registers.
What low-power modes are available on the MKL02Z32VFG4R?
The MKL02Z32VFG4R implements nine distinct low-power modes: RUN, WAIT, STOP, VLPR, VLPW, VLPS, LLS, VLLS0, VLLS1, and VLLS3. The deepest mode, VLLS0, achieves 0.12 µA typical current at 3.0 V with full RAM retention and 4 µs wakeup - validated across -40°C to 105°C per Table 9 in the KL02P32M48SF0 datasheet.
Is the MKL02Z32VFG4R pin-compatible with other Kinetis KL02 variants?
No, the MKL02Z32VFG4R is not pin-compatible with MKL02ZxxVFK4 (24-pin QFN) or MKL02ZxxVFM4 (32-pin QFN) variants. All VFG-suffixed parts share the same 16-pin QFN footprint and pinout, but VFK4/VFM4 packages have different pin counts, assignments, and thermal pad configurations - requiring separate PCB layouts.
MKL02Z32VFG4R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 16-UFQFN Exposed Pad
- Series:
- Kinetis KL02
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, LVD, POR, PWM, WDT
- Number of I/O:
- 14
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 6x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MKL02Z32VFG4R FAQ
1.How can I place an order for MKL02Z32VFG4R through Aetrix?
Please submit a Request for Quotation (RFQ) for MKL02Z32VFG4R on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MKL02Z32VFG4R reliable?
The price and inventory of MKL02Z32VFG4R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKL02Z32VFG4R is usually 5 days.
3.What payment methods are accepted for MKL02Z32VFG4R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKL02Z32VFG4R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKL02Z32VFG4R?
MKL02Z32VFG4R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKL02Z32VFG4R order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MKL02Z32VFG4R?
For technical support, including MKL02Z32VFG4R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKL02Z32VFG4R requirements.
6.How does Aetrix verify that MKL02Z32VFG4R is sourced from the original manufacturer or authorized distributors?
All MKL02Z32VFG4R products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MKL02Z32VFG4R meets industry standards.
7.What is the process for return or replacement of MKL02Z32VFG4R?
All MKL02Z32VFG4R units undergo pre-shipment inspection (PSI). If there is an issue with MKL02Z32VFG4R, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MKL02Z32VFG4R part is unused and in its original packaging.
Return procedure for MKL02Z32VFG4R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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