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NXP Semiconductors MKL14Z64VFT4
- Part No.:
- MKL14Z64VFT4
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MKL14Z64VFT4.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 48QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,249
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Product details
Overview
MKL14Z64VFT4 from NXP Semiconductors (formerly Freescale) is a 48 MHz ARM® Cortex®-M0+ based microcontroller in the Kinetis KL14 sub-family, designed for ultra-low-power embedded applications. It integrates 64 KB flash, 8 KB SRAM, a 12-bit SAR ADC, two UARTs, two I²C modules, two SPI interfaces, six-channel Timer/PWM (TPM), and operates across –40°C to +105°C at 1.71–3.6 V supply. It targets battery-powered sensor nodes and portable HMI systems.
For engineers reviewing the MKL14Z64VFT4 datasheet, MKL14Z64VFT4 pinout, MKL14Z64VFT4 application, or MKL14Z64VFT4 equivalent, key selection criteria include its 48-pin QFN package, 40 GPIO count, VLPR mode current of 204 µA (typical), 4 MHz low-power run capability, and compatibility with Kinetis L-family toolchains and peripheral drivers.
Technical Context
The MKL14Z64VFT4 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 includes a multi-purpose MCG module supporting FEI, FBE, BLPI, and BLPE modes, enabling dynamic switching between high-performance (48 MHz) and ultra-low-power (4 MHz) operation.
Power management is centered on nine low-power modes-including VLLS0 (0.12 µA typ), LLS (1.68 µA typ), and VLPS (3.75 µA typ)-with full state retention and sub-5 µs wake-up from VLPS/STOP. The analog subsystem integrates a 12-bit ADC with hardware averaging, a comparator with integrated 6-bit DAC, and programmable reference inputs for precision sensing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, up to 48 MHz - delivers industry-leading 1.25 DMIPS/MHz for compact real-time control code |
| Flash / RAM | 64 KB flash / 8 KB SRAM - sufficient for BLE stack + application logic with zero external memory required |
| GPIO Count | 40 pins - supports mixed-signal I/O with configurable pull-up/pull-down, slew rate, and drive strength per pin |
| ADC | 12-bit SAR, up to 1.2 MSPS - enables high-resolution temperature, voltage, and sensor signal acquisition |
| Low-Power Run | 204 µA @ 4 MHz, 3.0 V - allows continuous background sensing while preserving battery life over months |
| Operating Temp | –40°C to +105°C - qualified for industrial automation, automotive cabin, and smart metering environments |
| Supply Range | 1.71–3.6 V - compatible with single-cell Li-ion, 2xAA alkaline, or regulated 3.3 V rails without level-shifting |
Pinout & Package
Package: 48-pin QFN (VFT4), 7 mm × 7 mm × 1 mm, 0.5 mm pitch, wettable flank - optimized for automated optical inspection and thermal dissipation in space-constrained PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply and ground | Decoupling capacitors required within 3 mm; separate VDDA/VSSA pins support clean analog domain |
| VDDA, VSSA | Analog power supply and ground | Must be filtered independently; 100 nF ceramic + 1 µF tantalum recommended for ADC/CMP stability |
| PTA0–PTA31, PTB0–PTB15, PTC0–PTC7 | General-purpose I/O | 40 total GPIOs; multiplexed with UART/I²C/SPI/TPM/ADC; all support interrupt-on-change and DMA request |
| RESET_b | Active-low reset input | Internal pull-down; accepts 1.2–3.6 V logic; debounced externally or via internal LPO clock |
| EXTAL0/XTAL0 | External crystal oscillator terminals | Supports 32 kHz watch crystal or 3–32 MHz main crystal; optional internal load caps reduce BOM count |
| SWD_CLK/SWD_DIO | Serial Wire Debug interface | Two-pin debug port enabling full JTAG/SWD functionality; no dedicated reset pin required for programming |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power architecture | 90 nm TFS process with clock gating, zero-wait-state flash, and 9 low-power modes - reduces active and sleep energy by >40% vs. legacy 8-bit MCUs |
| Integrated analog front-end | 12-bit ADC with hardware averaging + comparator with 6-bit DAC - eliminates need for external signal conditioning in sensor fusion designs |
| Memory protection unit (MPU) | Configurable region-based access control - enforces secure partitioning between bootloader, RTOS kernel, and application tasks |
| Low-leakage wakeup unit | Independent detection of GPIO, RTC, LPTMR, or ADC events during VLLS modes - enables event-driven wake without CPU polling overhead |
| Bit Manipulation Engine (BME) | Hardware-accelerated atomic bit set/clear/toggle - improves firmware reliability in interrupt service routines and RTOS contexts |
Applications
| Smart Sensor Node | Industrial HMI Panel |
|---|---|
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and CO₂ data every 30 seconds and transmitting via UART-to-LoRaWAN gateway. IC Role / Device Role / Timing Role: Primary controller executing sensor polling, ADC conversion, data filtering, and low-power UART transmission scheduling. Use Value: 0.12 µA VLLS0 mode extends 2000 mAh coin cell life beyond 10 years; 12-bit ADC resolution ensures ±0.5°C thermal accuracy. | Use Scenario: Touch-enabled local operator interface for PLC-controlled HVAC system with LED status indicators and push-button inputs. IC Role / Device Role / Timing Role: Real-time HMI processor managing GPIO-driven LEDs, capacitive touch scanning, and UART communication with host controller. Use Value: 40 GPIOs support direct connection of 12 buttons + 8 LEDs + 4 touch channels; 48 MHz core handles UI refresh at 60 Hz without frame drops. |
| Portable Medical Device | Energy Meter Interface Module |
Use Scenario: Handheld pulse oximeter with OLED display, photodiode amplifier, and USB-C charging circuit monitoring. IC Role / Device Role / Timing Role: Signal acquisition controller synchronizing ADC sampling, LED driver PWM, and real-time SpO₂ calculation. Use Value: Integrated 6-bit DAC drives LED bias current precisely; 4 µs wake-up from STOP mode ensures immediate response to user button press. | Use Scenario: DIN-rail mounted auxiliary module reading kWh pulses from mechanical meters and reporting via RS-485 to central gateway. IC Role / Device Role / Timing Role: Pulse counter and protocol translator interfacing with opto-isolated input and half-duplex RS-485 transceiver. Use Value: Two UARTs enable simultaneous RS-485 master/slave operation; 105°C rating ensures reliability inside hot electrical cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| KL14Z64VLH4 | 64-pin LQFP package, 54 GPIOs, larger footprint (10×10 mm), higher thermal mass | Better suited for prototyping, manual soldering, or designs requiring >40 I/Os | Select when board layout flexibility or future I/O expansion is prioritized over size and cost |
| MKL25Z64VLH4 | Cortex-M0+ at 48 MHz, same flash/RAM, but adds USB OTG, more timers, and enhanced ADC features | Required where native USB device connectivity or higher-resolution analog capture is needed | Choose when USB device enumeration or 16-bit ADC oversampling justifies added complexity and BOM cost |
Compared with KL14Z64VLH4 and MKL25Z64VLH4, the MKL14Z64VFT4 offers the smallest footprint and lowest static power in its class-ideal for volume production of compact, battery-operated devices where GPIO count and USB are not required.
Availability
MKL14Z64VFT4 is available at Aetrix Electronics and suitable for smart sensor nodes, industrial HMI panels, portable medical devices, and energy meter interface modules requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MKL14Z64VFT4 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 focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in ARM-based microcontrollers and edge processing.
The MKL14Z64VFT4 belongs to the Kinetis KL14 sub-family-a purpose-built line of ultra-low-power, cost-optimized Cortex-M0+ MCUs targeting entry-level 32-bit migration from 8/16-bit platforms in battery-sensitive applications.
FAQ
What is the maximum operating frequency of the MKL14Z64VFT4?
The MKL14Z64VFT4 supports a maximum core/system clock frequency of 48 MHz in normal run mode using the MCG in PEE configuration. In very-low-power run (VLPR) mode, the maximum core frequency is limited to 4 MHz to maintain sub-500 µA current draw. This dual-frequency capability allows designers to dynamically trade performance for power savings based on real-time workload demands.
Does the MKL14Z64VFT4 include hardware debug support?
Yes, the MKL14Z64VFT4 integrates Serial Wire Debug (SWD) with Micro Trace Buffer (MTB), providing non-intrusive instruction tracing and full breakpoint/watchpoint capability using standard ARM-compliant tools. SWD uses only two pins (SWD_CLK and SWD_DIO), eliminating the need for a dedicated reset pin during programming and enabling debugging on densely routed 48-pin QFN layouts.
What analog peripherals are integrated into the MKL14Z64VFT4?
The MKL14Z64VFT4 integrates a 12-bit SAR ADC with up to 16 channels, programmable gain amplifier (PGA) support, and hardware averaging; one analog comparator (CMP) with integrated 6-bit DAC and selectable reference inputs; and dedicated VDDA/VSSA power domains. These peripherals enable direct sensor interfacing without external signal conditioning in applications such as temperature monitoring and battery voltage supervision.
How many GPIO pins does the MKL14Z64VFT4 provide, and what I/O capabilities do they support?
The MKL14Z64VFT4 provides 40 general-purpose I/O pins mapped across PORTA, PORTB, and PORTC. Each pin supports interrupt-on-change, DMA request generation, configurable pull-up/pull-down resistors (20–50 kΩ), slew rate control, and normal/high drive strength. Pins are multiplexed with UART, I²C, SPI, TPM, ADC, and CMP functions-enabling flexible peripheral assignment in resource-constrained designs.
What low-power modes are available on the MKL14Z64VFT4, and what is the lowest achievable current draw?
The MKL14Z64VFT4 supports nine low-power modes including RUN, WAIT, STOP, VLPS, LLS, and three VLLS variants. The lowest current draw is achieved in VLLS0 mode with PORPO = 1, consuming 0.12 µA (typical) at 25°C and 3.0 V while retaining full register and RAM content. Wake-up time from VLLS0 is under 115 µs, making it ideal for infrequent-event detection in always-on sensor applications.
MKL14Z64VFT4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-VFQFN Exposed Pad
- Series:
- Kinetis KL1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 15x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MKL14Z64VFT4 FAQ
1.How can I place an order for MKL14Z64VFT4 through Aetrix?
Please submit a Request for Quotation (RFQ) for MKL14Z64VFT4 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 MKL14Z64VFT4 reliable?
The price and inventory of MKL14Z64VFT4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKL14Z64VFT4 is usually 5 days.
3.What payment methods are accepted for MKL14Z64VFT4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKL14Z64VFT4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKL14Z64VFT4?
MKL14Z64VFT4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKL14Z64VFT4 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 MKL14Z64VFT4?
For technical support, including MKL14Z64VFT4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKL14Z64VFT4 requirements.
6.How does Aetrix verify that MKL14Z64VFT4 is sourced from the original manufacturer or authorized distributors?
All MKL14Z64VFT4 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 MKL14Z64VFT4 meets industry standards.
7.What is the process for return or replacement of MKL14Z64VFT4?
All MKL14Z64VFT4 units undergo pre-shipment inspection (PSI). If there is an issue with MKL14Z64VFT4, 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 MKL14Z64VFT4 part is unused and in its original packaging.
Return procedure for MKL14Z64VFT4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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