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NXP Semiconductors MK20DX32VLH5
- Part No.:
- MK20DX32VLH5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MK20DX32VLH5.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,600
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Product details
Overview
MK20DX32VLH5 from NXP Semiconductors (formerly Freescale) is a 32-bit ARM Cortex-M4 core microcontroller with DSP extensions, operating at up to 50 MHz, featuring 32 KB program flash, 8 KB RAM, and FlexMemory architecture supporting configurable EEPROM-like storage. It integrates USB OTG, multiple UARTs, I²C, SPI, I²S, 16-bit ADC, analog comparators with 6-bit DAC, RTC, and advanced low-power modes - deployed in industrial sensor nodes and portable medical devices.
For engineers reviewing the MK20DX32VLH5 datasheet, MK20DX32VLH5 pinout, MK20DX32VLH5 application, or MK20DX32VLH5 equivalent, key selection criteria include its -40°C to +105°C extended temperature rating, 64-pin LQFP package, FlexMemory configuration (flash + FlexNVM/FlexRAM), USB full-speed OTG capability with on-chip transceiver, and support for VLPS/VLLS low-power stop modes down to 0.176 µA.
Technical Context
The MK20DX32VLH5 implements an ARM Cortex-M4 core with hardware DSP instructions and single-cycle MAC, delivering 1.25 Dhrystone MIPS per MHz. Its memory subsystem includes 32 KB on-chip flash, 8 KB SRAM, and FlexMemory enabling up to 2 KB FlexRAM and configurable FlexNVM partitioning for data logging or EEPROM emulation.
Clock management uses a multi-purpose clock generator (MCG) supporting internal/external oscillators (3–32 MHz crystal, 32 kHz RTC crystal), PLL, and fine-grained peripheral clock gating. Power management includes eight low-power modes (RUN, WAIT, VLPR, STOP, VLPS, LLS, VLLS0–VLLS3), with VLLS0 current as low as 0.176 µA at 3.0 V and –40°C to 25°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M4 with DSP extensions, 50 MHz max - enables real-time signal processing in motor control or audio applications. |
| Flash / RAM | 32 KB program flash + 8 KB SRAM - sufficient for compact firmware with integrated protocol stacks (e.g., USB HID, UART-based telemetry). |
| FlexMemory | Configurable FlexNVM/FlexRAM (up to 2 KB FlexRAM) - supports wear-leveling data storage without external EEPROM. |
| Operating Voltage | 1.71 V to 3.6 V - compatible with single-cell Li-ion, 3.3 V logic rails, and energy-harvesting power supplies. |
| Temperature Range | –40°C to +105°C - qualified for under-hood automotive sensors and industrial PLC I/O modules. |
| USB Interface | Full-/low-speed USB On-The-Go with on-chip transceiver - eliminates need for external PHY in portable diagnostic tools. |
| ADC | 16-bit SAR ADC with up to 16 channels - provides high-resolution analog sensing for precision temperature or pressure monitoring. |
| Low-Power Modes | VLLS0 mode draws 0.176 µA (3.0 V, –40°C to 25°C) - enables multi-year battery life in wireless sensor endpoints. |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm), RoHS-compliant, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VSS, VSSA | Power and ground domains | Separate digital/analog supplies reduce noise coupling; VDDA must track VDD within ±0.1 V for ADC accuracy. |
| EXTAL/XTAL, EXTAL32/XTAL32 | Primary and 32 kHz crystal inputs | Supports precise timing for USB frame sync (48 MHz) and RTC calendar functions with ±20 ppm stability. |
| USB_DP/USB_DM | USB differential data lines | Integrated transceiver enables direct connection to USB connectors without external PHY or termination resistors. |
| PTA0–PTA31, PTB0–PTB15, etc. | Multi-function GPIO ports | Each pin supports up to 8 alternate functions (e.g., UART0_TX, I2C0_SCL, ADC0_SE0); configurable slew rate and drive strength. |
| RESET_b | Active-low reset input | Accepts 1.71–3.6 V logic; internal pull-up ensures reliable startup; supports external reset supervisor ICs. |
Key Features
| Feature | Design Value |
|---|---|
| FlexMemory architecture | Enables field-upgradable EEPROM emulation via software-controlled partitioning of FlexNVM into data flash or EEPROM space. |
| Hardware CRC module | Accelerates checksum computation for firmware OTA updates and secure boot validation with zero CPU overhead. |
| 128-bit unique chip ID | Provides immutable device identity for cryptographic key binding and secure provisioning in IoT edge nodes. |
| Quadrature decoder timer | Directly interfaces rotary encoders or motor position sensors without CPU polling - reduces interrupt load in motion control. |
| Low-leakage wakeup unit | Detects asynchronous events (e.g., GPIO edge, RTC alarm) while in VLLS modes, resuming execution in ≤70 µs from VLLS2/VLLS3. |
| Programmable delay block | Generates precise sub-microsecond delays for LED dimming, PWM dead-time insertion, or sensor timing synchronization. |
Applications
| Industrial Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and CO₂ data every 10 seconds for cloud transmission via BLE gateway. IC Role / Device Role / Timing Role: Primary system controller managing sensor I²C reads, ADC sampling, USB CDC virtual COM port for configuration, and RTC-triggered wakeups. Use Value: VLLS0 mode (0.176 µA) extends 2xAA alkaline battery life beyond 5 years; FlexRAM stores calibration coefficients with guaranteed write endurance. |
Use Scenario: Handheld pulse oximeter requiring clinical-grade SpO₂ calculation, OLED display refresh, and USB mass-storage export of patient logs. IC Role / Device Role / Timing Role: Real-time signal processor executing FIR filters on photodiode ADC streams, driving OLED via SPI, and emulating USB MSC device. Use Value: Cortex-M4 DSP instructions accelerate saturation arithmetic and FFT-based noise rejection; USB OTG transceiver eliminates BOM cost of external PHY. |
| Automotive Body Control Module | Smart Home Hub Controller |
Use Scenario: Under-dash module controlling door locks, interior lighting, and window lift motors with LIN bus diagnostics. IC Role / Device Role / Timing Role: Central MCU coordinating LIN slave communication, PWM motor drivers, and analog voltage monitoring of battery rail. Use Value: –40°C to +105°C rating ensures operation in engine bay proximity; quadrature decoder timers directly interface window position sensors. |
Use Scenario: Wi-Fi-connected home automation hub aggregating Zigbee, Z-Wave, and Bluetooth LE device status and executing local rules. IC Role / Device Role / Timing Role: Application processor running lightweight RTOS, managing concurrent radio stacks, and buffering sensor data in FlexNVM before cloud upload. Use Value: 50 MHz performance handles multi-protocol scheduling; 32 KB flash accommodates dual-image OTA update with rollback safety. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MK20DN32VLH5 | No FlexMemory; 32 KB flash only, no FlexNVM/FlexRAM - fixed memory map. | Suitable where EEPROM emulation is unnecessary and cost reduction is critical. | Select MK20DN32VLH5 when application requires only program flash and avoids FlexMemory complexity. |
| MK20DX64VLH5 | Doubles flash (64 KB) and RAM (16 KB); identical package, peripherals, and pinout. | Better suited for firmware with larger protocol stacks (e.g., USB Audio Class, TLS stack) or extended data buffering. | Choose MK20DX64VLH5 when future firmware growth or enhanced data logging capacity is anticipated. |
Compared with MK20DX32VLH5, MK20DN32VLH5 removes FlexMemory flexibility but lowers unit cost, while MK20DX64VLH5 retains full compatibility and expands memory headroom - both share identical 64-LQFP footprint and peripheral set, enabling scalable design reuse.
Availability
MK20DX32VLH5 is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, automotive body control modules, and smart home hub controllers requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for MK20DX32VLH5 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, formed through the acquisition of Freescale Semiconductor in 2015.
The Kinetis K20 family - including MK20DX32VLH5 - was designed for cost-sensitive, low-power embedded applications demanding rich analog integration, USB connectivity, and robust real-time performance in harsh environments.
FAQ
What is the maximum operating frequency of the MK20DX32VLH5?
The MK20DX32VLH5 operates at a maximum core/system clock frequency of 50 MHz, enabled by its ARM Cortex-M4 core with DSP extensions. This frequency is supported across the full 1.71–3.6 V supply range and –40°C to +105°C temperature range, with flash access configured for zero wait states at 25 MHz bus clock.
Does the MK20DX32VLH5 include USB functionality, and what type?
Yes, the MK20DX32VLH5 integrates a full-/low-speed USB On-The-Go controller with an on-chip transceiver, supporting USB device, host, and OTG roles without external PHY components. It complies with USB 2.0 specification and includes dedicated USB voltage regulator (VREG) and DCD circuitry for charger detection.
How much memory does the MK20DX32VLH5 have, and what types?
The MK20DX32VLH5 contains 32 KB of program flash memory, 8 KB of general-purpose SRAM, and FlexMemory architecture enabling up to 2 KB of FlexRAM and configurable FlexNVM (for EEPROM emulation or data flash). Memory mapping is managed via FTFL_FOPT register settings at boot.
What low-power modes are supported by the MK20DX32VLH5?
The MK20DX32VLH5 supports eight low-power modes: RUN, WAIT, VLPR, STOP, VLPS, LLS, and four VLLS variants (VLLS0–VLLS3). VLLS0 achieves 0.176 µA typical current at 3.0 V and –40°C to 25°C ambient when POR detect is disabled - ideal for ultra-long-life battery applications.
Is the MK20DX32VLH5 pin-compatible with other K20 family members?
Yes, the MK20DX32VLH5 in 64-pin LQFP (LH package) shares identical pinout with MK20DN32VLH5, MK20DX64VLH5, and MK20DN64VLH5 - enabling hardware reuse across memory variants. Pin functions are consistent; differences are limited to memory size and FlexMemory availability, controlled by internal configuration bits.
MK20DX32VLH5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- Kinetis K20
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 50MHz
- Connectivity:
- I2C, IrDA, SPI, UART/USART, USB, USB OTG
- Peripherals:
- DMA, I2S, LVD, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 13x16b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MK20DX32VLH5 FAQ
1.How can I place an order for MK20DX32VLH5 through Aetrix?
Please submit a Request for Quotation (RFQ) for MK20DX32VLH5 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 MK20DX32VLH5 reliable?
The price and inventory of MK20DX32VLH5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MK20DX32VLH5 is usually 5 days.
3.What payment methods are accepted for MK20DX32VLH5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MK20DX32VLH5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MK20DX32VLH5?
MK20DX32VLH5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MK20DX32VLH5 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 MK20DX32VLH5?
For technical support, including MK20DX32VLH5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MK20DX32VLH5 requirements.
6.How does Aetrix verify that MK20DX32VLH5 is sourced from the original manufacturer or authorized distributors?
All MK20DX32VLH5 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 MK20DX32VLH5 meets industry standards.
7.What is the process for return or replacement of MK20DX32VLH5?
All MK20DX32VLH5 units undergo pre-shipment inspection (PSI). If there is an issue with MK20DX32VLH5, 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 MK20DX32VLH5 part is unused and in its original packaging.
Return procedure for MK20DX32VLH5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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