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NXP Semiconductors MKL04Z32VLC4R
- Part No.:
- MKL04Z32VLC4R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
MKL04Z32VLC4R.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,522
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Product details
Overview
MKL04Z32VLC4R from NXP Semiconductors (formerly Freescale) is a 32-bit ARM Cortex-M0+ microcontroller in 32-pin LQFP package, delivering up to 48 MHz operation with 32 KB flash and 4 KB SRAM. It features ultra-low-power run mode (213–284 μA at 3 V), 28 GPIOs, 12-bit SAR ADC, I²C, SPI, UART, and six-channel TPM for embedded control in battery-powered sensor nodes and industrial peripherals.
For engineers reviewing the MKL04Z32VLC4R datasheet, MKL04Z32VLC4R pinout, MKL04Z32VLC4R application, or MKL04Z32VLC4R equivalent, key selection criteria include its 32-pin LQFP-32 (7×7 mm, 0.8 mm pitch) footprint, -40°C to +105°C operating range, 1.71–3.6 V supply, and support for nine low-power modes including VLLS0 (0.3–0.54 μA typical).
Technical Context
The MKL04Z32VLC4R integrates an ARM Cortex-M0+ core with Bit Manipulation Engine and Micro Trace Buffer for debug visibility. Its clock system includes configurable MCG with internal 4 MHz/32 kHz IRC and external crystal support (32 kHz–32 MHz), enabling precise timing across power modes.
System-level integration includes a 4-channel DMA controller, COP watchdog, low-leakage wakeup unit, and SWD debug interface. Analog subsystem comprises a 12-bit SAR ADC with programmable reference, analog comparator with integrated 6-bit DAC, and bandgap reference - all optimized for low-voltage, low-power sensing applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M0+, 48 MHz max - delivers industry-leading 1.52 CoreMark/MHz efficiency for compact real-time control. |
| Memory | 32 KB flash / 4 KB SRAM - sufficient for firmware + data buffers in standalone edge-node applications. |
| Power Modes | Nine low-power modes including VLLS0 (0.3–0.54 μA) - enables multi-year battery life in wake-on-event designs. |
| I/O Count | 28 GPIOs with configurable drive strength and digital glitch filtering - supports mixed-signal interfacing without external logic. |
| Analog Peripherals | 12-bit SAR ADC (up to 1.2 MSPS), CMP with 6-bit DAC - enables precision sensor signal conditioning and threshold detection. |
| Communication | I²C, SPI, UART - provides interoperability with common sensors, displays, and host controllers in resource-constrained systems. |
| Operating Range | 1.71–3.6 V supply, –40°C to +105°C ambient - suitable for industrial and automotive under-hood environments. |
Pinout & Package
Package: 32-pin LQFP (7 × 7 × 1.4 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VSS, VSSA | Power and ground rails | Separate digital/analog supplies enable noise isolation; VDDA must track VDD within ±0.1 V for ADC accuracy. |
| PTA0–PTA13, PTB0–PTB13 | GPIO bank terminals | 28 total usable I/Os; multiplexed with peripheral functions (UART0_TX/RX, I²C0_SCL/SDA, SPI0_SCK/MOSI/MISO). |
| RESET_b | Active-low reset input | Internal pull-down; accepts 100 ns minimum pulse width for reliable asynchronous reset recovery. |
| XTAL0/XTAL1 | Crystal oscillator inputs | Supports 32 kHz–32 MHz crystals; enables precise RTC and low-jitter system clocks when external timing required. |
| SWD_DIO/SWD_CLK | Serial Wire Debug interface | Two-pin debug port with Micro Trace Buffer - enables non-intrusive real-time trace and breakpoint debugging. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power run mode | 213–284 μA at 4 MHz core / 0.8 MHz bus - extends battery life in always-on sensor monitoring. |
| Zero-wait-state flash controller | Enables full 48 MHz core performance without pipeline stalls - critical for deterministic real-time response. |
| Low-leakage wakeup unit | Detects external events (GPIO, RTC alarm, ADC threshold) while in VLLS modes - eliminates polling overhead. |
| Integrated 6-bit DAC in comparator | Provides programmable voltage reference for analog threshold detection without external components. |
| Bit Manipulation Engine (BME) | Hardware-accelerated bit-field access - reduces firmware size and improves ISR latency in register-intensive control loops. |
Applications
| Smart Sensor Node | Industrial Control Panel |
|---|---|
Use Scenario: Battery-powered temperature/humidity node transmitting data via UART to gateway every 5 minutes. IC Role / Device Role / Timing Role: Main controller executing sensor read, ADC conversion, data formatting, and low-power UART transmission. Use Value: VLLS0 mode (0.3–0.54 μA) and fast 4 μs wakeup enable >5-year coin-cell operation with periodic sensing. | Use Scenario: Front-panel interface with pushbuttons, LED indicators, and RS-485 communication to PLC. IC Role / Device Role / Timing Role: Human-machine interface processor managing debounced inputs, PWM-driven LEDs, and UART-to-RS485 bridge. Use Value: 28 GPIOs with configurable slew rate and 12-bit ADC support direct button/LED/resistor ladder integration without external ICs. |
| Medical Wearable Monitor | Energy Meter Subsystem |
Use Scenario: Pulse oximetry module with photodiode signal conditioning and Bluetooth LE interface. IC Role / Device Role / Timing Role: Analog front-end controller performing synchronized ADC sampling, digital filtering, and UART output to BLE SoC. Use Value: Integrated 12-bit SAR ADC with programmable reference and comparator/DAC enables ratiometric sensor measurement and saturation detection. | Use Scenario: Tamper-detection and auxiliary metering in smart electricity meters using shunt-based current sensing. IC Role / Device Role / Timing Role: Secondary controller handling tamper switch monitoring, LED status, RTC-backed logging, and isolated UART to main MCU. Use Value: Nine low-power modes and 16-bit LPTMR allow precise time-stamped event logging during main MCU sleep cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| KL03Z32VFG4 | 24-pin QFN, 32 KB flash, 4 KB SRAM, but only 22 GPIOs and no LPTMR. | Limited I/O count and missing low-power timer reduce suitability for multi-sensor or time-critical wake-up use cases. | Select when board space is constrained and GPIO count < 22 suffices; verify LPTMR absence does not impact timing requirements. |
| STM32L051K6U6 | 32-pin QFN, 32 KB flash, 8 KB SRAM, ARM Cortex-M0+, but operates up to 32 MHz and lacks integrated DAC in comparator. | Higher SRAM supports larger protocol stacks; lower max frequency and no on-chip DAC require external components for analog thresholding. | Prefer when USB or larger buffer memory is needed; confirm 32 MHz core meets real-time deadlines and external DAC acceptable. |
Compared with KL03Z32VFG4, MKL04Z32VLC4R offers 6 more GPIOs and LPTMR for enhanced peripheral flexibility; versus STM32L051K6U6, it provides higher clock speed and integrated comparator DAC but less SRAM - tradeoffs center on I/O density, analog integration, and memory headroom.
Availability
MKL04Z32VLC4R is available at Aetrix Electronics and suitable for industrial control panels, battery-powered sensor nodes, and medical wearable monitors requiring stable component supply and long-term lifecycle support.
Supply support for MKL04Z32VLC4R 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, IoT, and mobile applications.
The Kinetis KL04 series was designed specifically for ultra-low-power, cost-sensitive embedded control - emphasizing energy efficiency, small footprint, and seamless scalability within the broader Kinetis family.
FAQ
What is the maximum operating frequency of the MKL04Z32VLC4R?
The MKL04Z32VLC4R features an ARM Cortex-M0+ core rated for up to 48 MHz operation. This maximum frequency is achievable when powered within the specified 1.71–3.6 V supply range and using the high-frequency crystal oscillator or internal reference clock with appropriate MCG configuration. The MKL04Z32VLC4R maintains full functionality-including zero-wait-state flash execution-at this speed.
Does the MKL04Z32VLC4R support hardware debugging?
Yes, the MKL04Z32VLC4R includes a Serial Wire Debug (SWD) interface with Micro Trace Buffer (MTB) for real-time instruction trace and non-intrusive debugging. SWD uses two pins (SWD_DIO and SWD_CLK) and supports breakpoints, watchpoints, and memory inspection. The MKL04Z32VLC4R does not support JTAG; SWD is the sole standardized debug interface.
What low-power modes are available on the MKL04Z32VLC4R?
The MKL04Z32VLC4R implements nine distinct low-power modes: RUN, WAIT, STOP, VLPR, VLPS, LLS, VLLS0, VLLS1, and VLLS3. Each mode offers different combinations of clock gating, peripheral retention, and wakeup latency - for example, VLLS0 draws just 0.3–0.54 μA with full state retention and 4 μs wakeup. These modes are selected via the System Mode Controller (SMC) and are fully documented in the MKL04Z32VLC4R reference manual.
Can the MKL04Z32VLC4R operate across the full industrial temperature range?
Yes, the MKL04Z32VLC4R is qualified for operation from –40°C to +105°C ambient temperature. This rating is verified per JEDEC standards and applies across the full 1.71–3.6 V supply range. Thermal resistance values (e.g., RθJA = 59°C/W on 4-layer board) and junction temperature limits (TJ ≤ 125°C) ensure reliable performance in demanding industrial and automotive under-hood environments.
What analog peripherals are integrated into the MKL04Z32VLC4R?
The MKL04Z32VLC4R integrates a 12-bit SAR ADC with up to 16 channels, an analog comparator (CMP) featuring an integrated 6-bit DAC and programmable reference input, and a bandgap voltage reference (VBG = 0.97–1.03 V). These peripherals operate across the full supply and temperature range, supporting precision sensor interfacing, threshold detection, and ratiometric measurements without external components.
MKL04Z32VLC4R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- Kinetis KL0
- 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, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 28
- 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:
MKL04Z32VLC4R FAQ
1.How can I place an order for MKL04Z32VLC4R through Aetrix?
Please submit a Request for Quotation (RFQ) for MKL04Z32VLC4R 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 MKL04Z32VLC4R reliable?
The price and inventory of MKL04Z32VLC4R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MKL04Z32VLC4R is usually 5 days.
3.What payment methods are accepted for MKL04Z32VLC4R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MKL04Z32VLC4R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MKL04Z32VLC4R?
MKL04Z32VLC4R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MKL04Z32VLC4R 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 MKL04Z32VLC4R?
For technical support, including MKL04Z32VLC4R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MKL04Z32VLC4R requirements.
6.How does Aetrix verify that MKL04Z32VLC4R is sourced from the original manufacturer or authorized distributors?
All MKL04Z32VLC4R 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 MKL04Z32VLC4R meets industry standards.
7.What is the process for return or replacement of MKL04Z32VLC4R?
All MKL04Z32VLC4R units undergo pre-shipment inspection (PSI). If there is an issue with MKL04Z32VLC4R, 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 MKL04Z32VLC4R part is unused and in its original packaging.
Return procedure for MKL04Z32VLC4R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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