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NXP Semiconductors MKL05Z8VFM4
- Part No.:
- MKL05Z8VFM4
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
MKL05Z8VFM4.pdf
- Description:
- IC MCU 32BIT 8KB FLASH 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,450
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Product details
Overview
MKL05Z8VFM4 from NXP Semiconductors (formerly Freescale) is a 32-bit ARM Cortex-M0+ microcontroller in 32-pin QFN package, delivering up to 48 MHz operation with 8 KB Flash and 1 KB SRAM. It integrates a 12-bit SAR ADC, 12-bit DAC, analog comparator, TSI touch interface, and low-power UART/I²C/SPI peripherals-designed for battery-powered sensor nodes and compact embedded control.
For engineers reviewing the MKL05Z8VFM4 datasheet, MKL05Z8VFM4 pinout, MKL05Z8VFM4 application, or MKL05Z8VFM4 equivalent, key selection criteria include its ultra-low-power stop mode (0.3 µA VLLS0), 41 GPIO count, 1.71–3.6 V supply range, -40°C to +105°C operating temperature, and compatibility with Kinetis KL05 software enablement tools and MCUXpresso IDE.
Technical Context
The MKL05Z8VFM4 implements a single-core ARM Cortex-M0+ processor with Thumb-2 instruction set, executing from on-chip flash with zero-wait-state controller. Its clock system includes multiple sources: internal 4 MHz/32 kHz IRCs, external crystal support (3–32 MHz), and flexible MCG mode switching between FEI, FBE, BLPI, and VLPR configurations.
Power management is centered on nine low-power modes-including VLLS0 (0.3 µA), VLLS1 (0.64 µA), and VLPS (2.25 µA)-enabled by clock gating, dynamic voltage scaling, and dedicated low-leakage wakeup unit. Peripheral integration includes a Bit Manipulation Engine (BME), SWD debug interface with Micro Trace Buffer, and hardware-accelerated TSI for capacitive touch sensing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, 48 MHz max - delivers 32-bit performance with <1.25 DMIPS/MHz efficiency for real-time control tasks |
| Memory | 8 KB Flash / 1 KB SRAM - sufficient for firmware with basic protocol stacks and sensor processing logic |
| Supply Range | 1.71–3.6 V - supports direct Li-ion/Li-Po battery input without regulation in many applications |
| Low-Power Mode | VLLS0 current: 0.3 µA at 3.0 V - enables multi-year operation on coin-cell batteries in wake-on-event designs |
| ADC/DAC | 12-bit SAR ADC (up to 1.2 MSPS) + 12-bit DAC - suitable for precision analog signal acquisition and waveform generation |
| GPIO Count | 28 I/O pins (of 41 total) - provides ample digital interfacing while reserving pins for analog functions and debug |
| Operating Temp | -40°C to +105°C - qualified for industrial and automotive under-hood environments |
Pinout & Package
32-pin QFN (VFM), 5 mm × 5 mm × 1 mm body, 0.5 mm pitch, exposed thermal pad. RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Digital power/ground | Primary supply pair; VDD must be decoupled with 100 nF ceramic near pin |
| VDDA/VSSA | Analog power/ground | Separate analog domain; requires clean 1.71–3.6 V supply for ADC/DAC accuracy |
| PTA0–PTA13, PTB0–PTB17 | GPIO multiplexed I/O | 41 total pins; up to 28 usable as GPIO on MKL05Z8VFM4 due to fixed peripheral mapping |
| RESET_b | Active-low reset input | Asynchronous reset; internal pull-down; compatible with open-drain pushbutton circuits |
| SWD_DIO/SWD_CLK | Debug interface signals | Two-pin Serial Wire Debug (SWD) for programming and real-time trace via Micro Trace Buffer |
| XTAL/EXTAL | Crystal oscillator connections | Supports 32 kHz watch crystal or 3–32 MHz high-frequency crystal for precise timing |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power stop modes | VLLS0 draws only 0.3 µA with full register retention and 4 µs wake time - ideal for intermittent-sensing IoT endpoints |
| Hardware touch sensing (TSI) | Capacitive touch interface with built-in charge-transfer engine - eliminates external RC networks for button/slider implementation |
| Integrated analog subsystem | 12-bit ADC (16-channel), 12-bit DAC, and analog comparator with 6-bit DAC reference - enables closed-loop analog control without external components |
| Bit Manipulation Engine (BME) | Hardware-accelerated atomic bit-set/clear/read - improves RTOS task flag handling and peripheral register access reliability |
| Energy-efficient architecture | 90 nm TFS process with clock/power gating and zero-wait-state flash - sustains 48 MHz performance at sub-5 mA active current |
Applications
| Smart Sensor Node | Industrial Control Panel |
|---|---|
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and motion using I²C sensors and TSI touch buttons. IC Role / Device Role / Timing Role: Central controller executing sensor fusion, local decision logic, and BLE-ready UART data framing. Use Value: VLLS0 mode extends 10-year coin-cell life; integrated ADC/DAC reduces BOM cost by eliminating external signal conditioning ICs. | Use Scenario: Local HMI module in factory automation cabinet with LED indicators, pushbuttons, and RS-485 gateway interface. IC Role / Device Role / Timing Role: Real-time I/O manager coordinating discrete inputs, PWM-driven LEDs, and UART-to-RS485 translation. Use Value: 41 GPIOs support mixed digital/analog I/O; -40°C to +105°C rating ensures reliability in unconditioned enclosures. |
| Medical Wearable | Home Appliance Subsystem |
Use Scenario: Compact pulse oximeter with optical sensor front-end, analog signal conditioning, and low-power display driver interface. IC Role / Device Role / Timing Role: Signal acquisition controller performing ADC sampling, digital filtering, and SPI-driven OLED update. Use Value: 12-bit ADC resolution meets clinical-grade SNR requirements; TSI enables intuitive touch-based UI in space-constrained form factor. | Use Scenario: Motor control and user interface subsystem in smart washing machine, managing water valve actuation, buzzer feedback, and keypad scan. IC Role / Device Role / Timing Role: Dedicated MCU handling safety-critical timing (real-time clock), fault monitoring (comparator), and human interaction (TSI + UART). Use Value: Integrated RTC with 32 kHz crystal support ensures accurate cycle timing; analog comparator enables overcurrent detection without external op-amp. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32L031K6T6 | ARM Cortex-M0+, 32 MHz max, 32 KB Flash, 8 KB SRAM, 20-pin TSSOP - higher memory but fewer I/O (16 GPIO) | Lacks integrated TSI and 12-bit DAC; uses different low-power architecture (Stop mode ~0.35 µA) | Choose when larger code footprint is needed and touch interface is handled externally |
| EFM32ZG108F8 | Silicon Labs Gecko ZG series, ARM Cortex-M0+, 24 MHz, 8 KB Flash, 2 KB SRAM, 24-pin QFN - lower clock speed, deeper sleep (0.18 µA EM2) | No integrated DAC or comparator; relies on external components for analog functions | Prefer when lowest possible sleep current is critical and analog integration is not required |
Compared with STM32L031K6T6 and EFM32ZG108F8, the MKL05Z8VFM4 uniquely combines capacitive touch sensing, dual 12-bit analog converters, and 41 GPIOs in a 5×5 mm QFN - making it optimal for space-constrained, analog-rich, battery-operated systems where peripheral integration reduces component count.
Availability
MKL05Z8VFM4 is available at Aetrix Electronics and suitable for smart sensor nodes, industrial HMIs, medical wearables, and home appliance subsystems requiring stable component supply across long-lifecycle production programs.
Supply support for MKL05Z8VFM4 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 Kinetis KL05 family - including MKL05Z8VFM4 - was engineered for ultra-low-power, cost-sensitive embedded applications demanding rich analog integration, capacitive touch, and robust industrial temperature operation.
FAQ
What is the maximum operating frequency of the MKL05Z8VFM4?
The MKL05Z8VFM4 features an ARM Cortex-M0+ core rated for up to 48 MHz operation. This frequency is achievable using the internal 48 MHz FLL or external crystal oscillator, with bus and flash clocks configured accordingly. The device maintains full functionality-including ADC sampling, UART transmission, and GPIO toggling-at this speed while consuming approximately 5.3 mA in Run mode at 3.0 V.
Does the MKL05Z8VFM4 support capacitive touch sensing?
Yes, the MKL05Z8VFM4 includes a dedicated Touch Sensing Interface (TSI) module with hardware charge-transfer engine and noise filtering. It supports up to 16 touch electrodes directly, enabling robust button, slider, and wheel implementations without external components. The TSI operates in all low-power modes, allowing wake-from-VLLS0 on touch event.
What are the low-power modes supported by the MKL05Z8VFM4?
The MKL05Z8VFM4 supports nine distinct low-power modes: Run, Wait, Stop, VLPS, LLS, VLLS0, VLLS1, VLLS2, and VLLS3. The deepest mode, VLLS0, draws just 0.3 µA at 3.0 V with full register retention and 4 µs wake time. Each mode offers trade-offs between current consumption, wake sources, and clock domain availability - selectable via SMC registers.
Can the MKL05Z8VFM4 operate from a single lithium coin cell?
Yes, the MKL05Z8VFM4 operates across 1.71–3.6 V, matching the discharge curve of CR2032 (2.0–3.0 V) and BR2032 (2.4–3.0 V) coin cells. In VLLS0 mode, its 0.3 µA typical current draw enables >10-year operation on a standard 220 mAh CR2032 when waking every 10 seconds for brief sensor reads - validated per Freescale's KL05 characterization data.
What debug interface does the MKL05Z8VFM4 use?
The MKL05Z8VFM4 uses a two-pin Serial Wire Debug (SWD) interface - SWD_DIO and SWD_CLK - compliant with ARM CoreSight standards. It supports full JTAG-equivalent functionality including flash programming, real-time variable inspection, and Micro Trace Buffer (MTB) for instruction trace without external pins. No external debug probe is required beyond standard SWD-capable programmers like LPC-Link2 or CMSIS-DAP adapters.
MKL05Z8VFM4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-VFQFN Exposed Pad
- Series:
- Kinetis KL0
- Packaging:
- Tray
- 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, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 28
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 14x12b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
MKL05Z8VFM4 FAQ
1.How can I place an order for MKL05Z8VFM4 through Aetrix?
Please submit a Request for Quotation (RFQ) for MKL05Z8VFM4 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 MKL05Z8VFM4 reliable?
The price and inventory of MKL05Z8VFM4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKL05Z8VFM4 is usually 5 days.
3.What payment methods are accepted for MKL05Z8VFM4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKL05Z8VFM4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKL05Z8VFM4?
MKL05Z8VFM4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKL05Z8VFM4 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 MKL05Z8VFM4?
For technical support, including MKL05Z8VFM4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKL05Z8VFM4 requirements.
6.How does Aetrix verify that MKL05Z8VFM4 is sourced from the original manufacturer or authorized distributors?
All MKL05Z8VFM4 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 MKL05Z8VFM4 meets industry standards.
7.What is the process for return or replacement of MKL05Z8VFM4?
All MKL05Z8VFM4 units undergo pre-shipment inspection (PSI). If there is an issue with MKL05Z8VFM4, 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 MKL05Z8VFM4 part is unused and in its original packaging.
Return procedure for MKL05Z8VFM4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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