My Inquiry
My Account
NXP Semiconductors MKL04Z32VLF4
- Part No.:
- MKL04Z32VLF4
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
MKL04Z32VLF4.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,050
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MKL04Z32VLF4 from NXP Semiconductors (formerly Freescale) is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller designed for cost-sensitive, battery-powered embedded systems. It operates at up to 48 MHz, integrates 32 KB flash and 4 KB SRAM, features a 12-bit SAR ADC with 14 single-ended channels, one analog comparator, and supports multiple low-power modes down to 1.71 V. It is used in portable medical sensors and smart metering endpoints requiring long runtime and reliable mixed-signal control.
For engineers reviewing the MKL04Z32VLF4 datasheet, MKL04Z32VLF4 pinout, MKL04Z32VLF4 application, or MKL04Z32VLF4 equivalent, this page delivers verified technical context, package-specific pin functions, real-world use cases, and validated alternative options - all grounded in the KL04 family's official product brief and device-level specifications.
Technical Context
The MKL04Z32VLF4 implements a 48 MHz ARM Cortex-M0+ core with two-stage pipeline and single-cycle I/O access, enabling fast interrupt response and efficient bit manipulation via the integrated Bit Manipulation Engine (BME). Its memory subsystem includes 32 KB flash with 64 B cache and 4 KB SRAM, optimized for zero-wait-state execution across voltage (1.71–3.6 V) and temperature (–40 to 105 °C) ranges.
Peripherals are architected for low-power operation: the 12-bit ADC supports differential input and temperature sensing; the 1x6-channel + 1x2-channel TPM provides PWM and motor control timing; the 32-bit PIT and LPTMR enable precise RTOS scheduling and wake-up from VLPS/STOP modes; and DMA (4-channel) offloads data transfers without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, 48 MHz max - enables real-time deterministic control with Thumb-2 instruction efficiency and full CM0 binary compatibility. |
| Memory | 32 KB flash / 4 KB SRAM with 64 B cache - sufficient for firmware with sensor fusion, communication stacks, and secure boot logic in compact footprint designs. |
| ADC | 12-bit SAR, 14 SE channels + temp sensor - supports simultaneous acquisition of multiple analog inputs (e.g., battery voltage, thermistor, current sense) with <1 µs conversion time. |
| Timers | 1x6ch + 1x2ch TPM, 32-bit PIT, LPTMR - delivers flexible PWM generation, periodic interrupts for RTOS tick, and sub-millisecond wake-up from ultra-low-power states. |
| Low-Power Modes | 10 power modes including VLPS, LLS, VLLS - achieves sub-µA stop-current with RTC and LLWU wake-up capability, critical for multi-year battery life. |
| I/O & Connectivity | 41 GPIOs (18 with interrupt), 1x LP UART, 1x SPI, 1x I²C - supports serial sensor interfaces, button/LED control, and basic wired telemetry without external level shifters. |
| Package | 48-pin LQFP (7 mm × 7 mm) - compatible with standard PCB assembly processes and offers robust thermal/mechanical reliability for industrial environments. |
Pinout & Package
Package: 48-pin LQFP (7 mm × 7 mm), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Digital supply | Primary 1.71–3.6 V power input; requires local 100 nF decoupling for stable core/peripheral operation. |
| VSS | Digital ground | Reference return path for digital logic and I/O; must be connected to system ground plane with low-inductance routing. |
| PTA0 / ADC0_SE0 | GPIO / ADC input | Multi-function pin usable as general-purpose input/output or channel 0 of 12-bit ADC - enables direct analog sensing without external mux. |
| PTA1 / ADC0_SE1 | GPIO / ADC input | Second ADC input with same configuration flexibility; supports differential pair formation with PTA0 for noise-rejecting measurements. |
| PTA2 / UART0_TX | GPIO / UART transmit | Configurable as output-only UART TX line or bidirectional GPIO; supports asynchronous communication in STOP/VLPS modes. |
| PTA3 / UART0_RX | GPIO / UART receive | Input-capable UART RX line or GPIO; enables low-power wake-up on serial activity without full CPU activation. |
| PTB0 / TPM0_CH0 | GPIO / PWM output | Timer channel 0 output for PWM-driven peripherals (e.g., LED dimming, fan speed control) with hardware dead-time insertion support. |
| PTB1 / TPM0_CH1 | GPIO / PWM output | Complementary PWM output synchronized with PTB0; suitable for half-bridge gate drive or dual-phase motor control. |
Key Features
| Feature | Design Value |
|---|---|
| Bit Manipulation Engine (BME) | Reduces peripheral register bit-field updates from 3-instruction read-modify-write to single-cycle atomic operations - cuts firmware size by ~25% and improves real-time responsiveness. |
| Low-Leakage Wake-Up Unit (LLWU) | Enables selective pin-triggered wake-up from Very-Low-Leakage Stop (VLLS) mode using only 100 nA additional current - extends battery life in intermittent-sensing applications. |
| Programmable Clock Generator (MCG) | Supports FLL-based 48 MHz core clock from internal 4 MHz IRC or external crystal - eliminates need for external high-frequency oscillator in cost-constrained designs. |
| Micro Trace Buffer (MTB) | Provides lightweight program flow tracing using on-chip SRAM - accelerates debug of timing-critical ISR behavior without JTAG bandwidth overhead. |
| Integrated COP Watchdog | Independent LPO- or bus-clock-driven watchdog with configurable timeout - ensures fail-safe recovery in unattended remote deployments like utility meters. |
Applications
| Portable Medical Sensor | Smart Utility Meter |
|---|---|
Use Scenario: Wearable pulse oximeter acquiring analog photodiode signals, computing SpO₂, and transmitting via UART to BLE module. IC Role / Device Role / Timing Role: Primary controller managing ADC sampling, signal processing, low-power state transitions, and UART handshaking. Use Value: 12-bit ADC with built-in temperature sensor enables accurate DC/AC ratio correction; VLPS mode draws <1.5 µA while maintaining RTC alarm for scheduled measurement bursts. |
Use Scenario: Battery-backed electricity meter logging voltage/current waveforms and reporting consumption via RS-485. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC interface, tamper detection GPIOs, real-time clock, and isolated UART communication. Use Value: 41 GPIOs support multiple isolation enable lines and status LEDs; 10 power modes allow >10-year battery life with monthly wake-up for data upload. |
| Industrial Remote I/O Node | Asset Tracking Beacon |
Use Scenario: DIN-rail mounted sensor hub collecting temperature/humidity from I²C sensors and relaying via LP UART to gateway. IC Role / Device Role / Timing Role: Edge processor executing sensor polling, CRC validation, and burst transmission during active window. Use Value: Single 1x I²C interface with DMA support reduces CPU load; 48 MHz core handles Modbus RTU framing in software without dedicated UART FIFO. |
Use Scenario: GPS-disabled logistics tag monitoring shock, tilt, and ambient temperature, waking hourly to log and transmit via LoRaWAN modem. IC Role / Device Role / Timing Role: Power manager and sensor coordinator - triggers ADC reads, stores data in SRAM, and asserts modem enable line. Use Value: LPTMR + LLWU combination achieves ±10 ppm timing accuracy for wake intervals; 4 KB SRAM holds 72 hours of timestamped event logs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power 32-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32L053R8T6 | 32 KB flash / 8 KB SRAM, 32 MHz Cortex-M0+, no integrated comparator, 12-bit ADC with 16 channels | Lacks analog comparator and BME; higher SRAM supports larger crypto stacks but lower core speed limits real-time control throughput | Preferred when AES-128 encryption or larger buffer requirements outweigh need for comparator-based fault detection |
| EFM32HG322F64G | 64 KB flash / 8 KB RAM, 25 MHz Cortex-M0+, 12-bit ADC with 12 channels, integrated LCD driver | Slower core, no BME or LLWU; superior sleep current (200 nA vs. 1.2 µA) but lacks TPM-based PWM flexibility | Optimal for display-centric, ultra-deep-sleep applications where PWM motor control or fast wake-up is not required |
Compared with MKL04Z32VLF4, STM32L053R8T6 trades analog comparator and BME acceleration for greater SRAM headroom, while EFM32HG322F64G prioritizes sub-µA sleep over real-time peripheral responsiveness - making MKL04Z32VLF4 the balanced choice for mixed-signal edge nodes needing both precision analog capture and deterministic timing.
Availability
MKL04Z32VLF4 is available at Aetrix Electronics and suitable for portable medical sensors, smart utility meters, industrial remote I/O nodes, and asset tracking beacons requiring stable component supply across extended production lifecycles.
Supply support for MKL04Z32VLF4 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 low-power MCU architecture and mixed-signal integration.
The Kinetis L series - including MKL04Z32VLF4 - was engineered as an entry-level, ultra-low-power ARM Cortex-M0+ platform targeting cost-sensitive, battery-operated embedded devices demanding long service life and robust analog interface capability.
FAQ
What is the maximum operating frequency and voltage range for MKL04Z32VLF4?
MKL04Z32VLF4 operates at a maximum core frequency of 48 MHz across a supply voltage range of 1.71 V to 3.6 V. Flash programming and analog peripheral functionality remain fully operational down to 1.71 V, enabling reliable operation in brownout conditions common in coin-cell or energy-harvesting systems. The device maintains specified performance across its full industrial temperature range of –40 °C to 105 °C.
Does MKL04Z32VLF4 include a hardware DAC or only ADC functionality?
MKL04Z32VLF4 includes a 12-bit successive approximation register (SAR) analog-to-digital converter with up to 14 single-ended channels and temperature sensing, but it does not integrate a digital-to-analog converter (DAC). This aligns with the KL04 family specification - unlike the KL05 family, which adds a 12-bit DAC. Designers requiring analog output must implement external DACs or use PWM with RC filtering.
How many GPIO pins with interrupt capability does MKL04Z32VLF4 support?
MKL04Z32VLF4 provides 41 total GPIO pins, of which 18 support configurable pin-interrupt functionality. These interrupt-capable pins can trigger wake-up from low-power modes such as VLPS or STOP, and support edge-selectable (rising/falling/both) and level-sensitive configurations - essential for responsive button, tamper, or sensor-event handling in battery-powered systems.
Is MKL04Z32VLF4 pin-compatible with other Kinetis L series MCUs?
MKL04Z32VLF4 is pin-compatible with other 48-pin LQFP variants in the KL04 family (e.g., MKL04Z16VLF4) and shares identical pinout with KL05 family members in the same package (e.g., MKL05Z32VLF4), per Freescale's KL0x family summary documentation. However, it is not pin-compatible with KL02 or KL1x–KL4x families due to differing peripheral mappings and signal multiplexing.
What debug interface does MKL04Z32VLF4 support, and what tools are required?
MKL04Z32VLF4 supports 2-pin Serial Wire Debug (SWD) for programming and real-time debugging, compatible with standard ARM Cortex-M debug probes such as SEGGER J-Link, PEMicro Multilink, and OpenSDA interfaces. It also includes a Micro Trace Buffer (MTB) for lightweight program flow tracing using on-chip SRAM - eliminating need for expensive trace port analyzers during firmware development.
MKL04Z32VLF4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- 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:
- 41
- 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 14x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MKL04Z32VLF4 FAQ
1.How can I place an order for MKL04Z32VLF4 through Aetrix?
Please submit a Request for Quotation (RFQ) for MKL04Z32VLF4 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 MKL04Z32VLF4 reliable?
The price and inventory of MKL04Z32VLF4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKL04Z32VLF4 is usually 5 days.
3.What payment methods are accepted for MKL04Z32VLF4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKL04Z32VLF4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKL04Z32VLF4?
MKL04Z32VLF4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKL04Z32VLF4 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 MKL04Z32VLF4?
For technical support, including MKL04Z32VLF4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKL04Z32VLF4 requirements.
6.How does Aetrix verify that MKL04Z32VLF4 is sourced from the original manufacturer or authorized distributors?
All MKL04Z32VLF4 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 MKL04Z32VLF4 meets industry standards.
7.What is the process for return or replacement of MKL04Z32VLF4?
All MKL04Z32VLF4 units undergo pre-shipment inspection (PSI). If there is an issue with MKL04Z32VLF4, 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 MKL04Z32VLF4 part is unused and in its original packaging.
Return procedure for MKL04Z32VLF4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MKL04Z32VLF4 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
