NXP Semiconductors MK22FN512VLL12
- Part No.:
- MK22FN512VLL12
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MK22FN512VLL12.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MK22FN512VLL12 from NXP (formerly Freescale) is a 120 MHz ARM Cortex-M4 microcontroller with 512 KB flash, 128 KB SRAM, and integrated single-precision FPU, designed for real-time industrial control and sensor fusion applications requiring deterministic interrupt response and low-power operation across extended temperature ranges.
For engineers reviewing the MK22FN512VLL12 datasheet, MK22FN512VLL12 pinout, MK22FN512VLL12 application, or MK22FN512VLL12 equivalent, key selection criteria include its 100-pin LQFP package, dual 16-bit ADCs with 19+4 differential inputs, USB OTG LS/FS support with on-chip PHY, and full stop-mode power management down to 4.5 µA in LLS3 mode.
Technical Context
The MK22FN512VLL12 implements an ARMv7-M architecture with Harvard bus, 3-stage pipeline, and DSP extensions, enabling deterministic real-time execution. Its clock system integrates both FLL and PLL with programmable dividers, supporting precise frequency synthesis from internal 48 MHz IRC or external 32 kHz crystal.
Peripheral integration includes two DSPI modules (6/4 chip selects), two I²C interfaces, three UARTs (one with ISO7816 and high-baud capability), and a programmable delay block (PDB) tightly coupled to dual ADCs for synchronized sampling-critical for motor control and precision measurement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4 with single-precision FPU, delivering 150 DMIPS at 120 MHz for computationally intensive signal processing. |
| Flash / RAM | 512 KB embedded flash with error correction and 128 KB SRAM-sufficient for complex firmware with RTOS, crypto stacks, and data buffers. |
| ADC System | Dual 16-bit SAR ADCs: ADC0 supports 19 single-ended + 4 differential inputs; ADC1 supports 19 SE + 3 DP-enabling simultaneous multi-channel sensor acquisition. |
| USB Interface | USB OTG LS/FS with on-chip transceiver and 3.3 V regulator-supports device/host roles without external PHY or LDO, reducing BOM count. |
| Power Modes | LLS3 mode draws 4.5 µA while retaining full SRAM content and enabling wake-up via RTC, CMP, DAC, or LPTimer-ideal for battery-backed monitoring. |
| Timers | Two FlexTimer Modules (FTM): one with 8 channels + two with 2 channels each; plus 4 PITs and 1 LPTMR-supporting PWM generation, quadrature decoding, and time-critical event scheduling. |
| Operating Range | 1.71–3.6 V supply voltage and –40°C to +105°C ambient temperature-validated for industrial automation and automotive under-hood environments. |
Pinout & Package
Package: 100-pin LQFP (VLL suffix), 14 × 14 mm body, 0.5 mm pitch, exposed thermal pad. Compatible with standard reflow profiles and manual inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD/VSS | Core & I/O power/ground | Multiple dedicated pairs ensure stable 1.2 V core and 3.3 V I/O rail decoupling; thermal pad improves heat dissipation in continuous operation. |
| XTAL/EXTAL | 32.768 kHz crystal oscillator input/output | Connects to external watch crystal for RTC accuracy; enables independent low-power timekeeping during deep-sleep modes. |
| USB_DP/USB_DM | Full-speed USB differential pair | Direct connection to USB connector; requires 27 Ω series resistors and 1.5 kΩ pull-up on DP for device enumeration. |
| ADC0_SEx / ADC1_SEx | Analog input channels | 19 dedicated pins for ADC0 and 19 for ADC1-supporting simultaneous sampling of up to 38 analog signals with configurable gain and reference selection. |
| FTMx_CHy | PWM output / capture input | Configurable as edge-aligned or center-aligned PWM outputs with dead-time insertion-essential for 3-phase motor gate drive timing control. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 16-bit ADC with hardware averaging | Reduces noise in sensor readings without CPU overhead; supports triggered sampling via PDB for jitter-free synchronization across multiple channels. |
| Programmable Delay Block (PDB) | Enables precise, deterministic ADC trigger timing with sub-microsecond resolution-critical for closed-loop control systems with fixed sampling intervals. |
| USB OTG with integrated 3.3 V regulator | Eliminates need for external LDO; regulator supplies up to 120 mA to external circuitry-simplifies power tree in portable diagnostic tools and field instruments. |
| Low-Leakage Stop (LLS3) mode | Retains full 128 KB SRAM and all register states while drawing only 4.5 µA-enables rapid wake-up (<6 µs) for event-driven sensing without data reload latency. |
| Floating-point unit (FPU) | Accelerates math-intensive algorithms (e.g., FFT, PID tuning, sensor fusion) in single-cycle operations-reducing CPU load and improving real-time determinism. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
|
Use Scenario: Closed-loop control of BLDC motors in HVAC blowers and pump drives using field-oriented control (FOC). IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, PWM generation with dead-time compensation, and synchronized current/voltage sampling via dual ADCs and PDB. Use Value: Achieves <1 µs timing jitter on PWM edges and sub-100 ns ADC trigger alignment-ensuring torque ripple <2% and efficiency >92%. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, pressure, and gas concentration over 10-year deployment. IC Role / Device Role / Timing Role: Low-power scheduler managing periodic sensor reads, local data fusion, secure BLE transmission, and RTC-based wake-up. Use Value: LLS3 mode extends battery life to >5 years on two AA cells by maintaining full context while consuming only 4.5 µA between 10-second measurement cycles. |
| Medical Diagnostic Instrument | Automotive Body Controller |
|
Use Scenario: Portable ECG device acquiring 12-lead biopotential signals with high common-mode rejection and baseline stability. IC Role / Device Role / Timing Role: Precision analog front-end controller with programmable gain amplifiers, 16-bit ADC oversampling, and real-time digital filtering. Use Value: Dual ADCs enable simultaneous lead acquisition; hardware averaging achieves effective resolution >18 bits-meeting AHA Class I diagnostic accuracy requirements. |
Use Scenario: Central body controller managing door locks, lighting, window lifts, and mirror adjustment in entry-level vehicles. IC Role / Device Role / Timing Role: Robust communication hub interfacing LIN, CAN FD (via external transceiver), and discrete I/O with watchdog supervision. Use Value: Independent watchdog (WDOG) and external watchdog monitor (EWM) provide redundant safety layers compliant with ISO 26262 ASIL-B functional safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MKE15Z64VLH4 | ARM Cortex-M0+, 48 MHz, 64 KB flash, 8 KB SRAM, no USB, no FPU, smaller peripheral set. | Targeted at cost-sensitive, low-complexity control tasks (e.g., simple lighting modules) where USB and floating-point math are unnecessary. | Select when BOM cost reduction outweighs performance and interface requirements; not suitable for USB-connected or math-heavy designs. |
| MIMXRT1021DAG4A | ARM Cortex-M7, 500 MHz, 256 KB SRAM, no on-chip flash, external QSPI support, advanced graphics and audio peripherals. | Designed for HMI-rich applications (e.g., dashboard displays) requiring high-throughput data movement and multimedia acceleration. | Choose when application demands >200 MHz CPU throughput, Ethernet, or LCD interface-requires external flash and more complex power sequencing. |
Compared with MK22FN512VLL12, MKE15Z64VLH4 offers lower cost and power but lacks USB, FPU, and memory capacity needed for protocol stacks or sensor fusion; MIMXRT1021DAG4A delivers higher performance and connectivity but increases design complexity, bill-of-materials, and thermal management requirements.
Availability
MK22FN512VLL12 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, medical diagnostics, automotive body electronics, and USB-connected test equipment requiring stable component supply and long-term lifecycle assurance.
Supply support for MK22FN512VLL12 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 leader in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in ARM-based microcontrollers and safety-certified platforms.
The K22F family was engineered for deterministic real-time control in harsh environments, emphasizing low-power operation, robust analog integration, and seamless USB connectivity for field-deployable embedded systems.
FAQ
What is the maximum operating frequency and core type of the MK22FN512VLL12?
The MK22FN512VLL12 features an ARM Cortex-M4 core with single-precision floating-point unit, rated for operation at 120 MHz. This frequency is achievable with proper decoupling, thermal management, and supply regulation within the 1.71–3.6 V operating range. The MK22FN512VLL12 delivers 150 DMIPS and supports DSP instructions for efficient signal processing workloads.
Does the MK22FN512VLL12 support USB device and host functionality?
Yes, the MK22FN512VLL12 integrates a full-speed/low-speed USB OTG module with on-chip transceiver and dedicated 3.3 V regulator. It supports both device and host roles per USB 2.0 specification, including four programmable endpoints and remote wake-up. The MK22FN512VLL12 does not require external PHY components, simplifying board layout and reducing BOM cost.
How many analog-to-digital converter (ADC) channels does the MK22FN512VLL12 provide?
The MK22FN512VLL12 includes two independent 16-bit SAR ADC modules: ADC0 supports 19 single-ended and 4 differential inputs; ADC1 supports 19 single-ended and 3 differential inputs. Both ADCs operate concurrently and can be triggered synchronously via the Programmable Delay Block (PDB), enabling precise multi-channel acquisition critical for motor control and sensor fusion.
What low-power modes are available on the MK22FN512VLL12, and what is the lowest current draw?
The MK22FN512VLL12 supports seven low-power modes, including VLPR, VLPS, LLS3, and VLLS3. In LLS3 mode, it draws just 4.5 µA while retaining full 128 KB SRAM content and enabling wake-up via RTC, comparators, DAC, or LPTimer. This makes the MK22FN512VLL12 suitable for battery-powered applications requiring long operational life with fast wake-up response.
Is the MK22FN512VLL12 pin-compatible with other K22F family members in the same package?
No, the MK22FN512VLL12 is not fully pin-compatible with lower-flash variants (e.g., MK22FN256VLL12 or MK22FN128VLL10) in the 100-pin LQFP package. While shared pin functions align, certain ADC inputs, FlexBus signals, and GPIO digital filter capabilities differ across flash densities. Pin mapping must be verified against the specific device's reference manual before PCB reuse.
MK22FN512VLL12 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- Kinetis K20
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- I2C, IrDA, SPI, UART/USART, USB, USB OTG
- Peripherals:
- DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 66
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 33x16b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MK22FN512VLL12 FAQ
1.How can I place an order for MK22FN512VLL12 through Aetrix?
Please submit a Request for Quotation (RFQ) for MK22FN512VLL12 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 MK22FN512VLL12 reliable?
The price and inventory of MK22FN512VLL12 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MK22FN512VLL12 is usually 5 days.
3.What payment methods are accepted for MK22FN512VLL12?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MK22FN512VLL12 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MK22FN512VLL12?
MK22FN512VLL12 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MK22FN512VLL12 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 MK22FN512VLL12?
For technical support, including MK22FN512VLL12 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MK22FN512VLL12 requirements.
6.How does Aetrix verify that MK22FN512VLL12 is sourced from the original manufacturer or authorized distributors?
All MK22FN512VLL12 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 MK22FN512VLL12 meets industry standards.
7.What is the process for return or replacement of MK22FN512VLL12?
All MK22FN512VLL12 units undergo pre-shipment inspection (PSI). If there is an issue with MK22FN512VLL12, 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 MK22FN512VLL12 part is unused and in its original packaging.
Return procedure for MK22FN512VLL12:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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