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NXP Semiconductors MCXC244VFT
- Part No.:
- MCXC244VFT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-UFQFN Exposed Pad
- Datasheet:
-
MCXC244VFT.pdf
- Description:
- 48MHz, Cortex-M0+, USB
- Quantity:
- Payment:
- Shipping:
Inventory:1,300
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Product details
Overview
MCXC244VFT from NXP is an Arm® Cortex®-M0+ microcontroller operating at up to 48 MHz, featuring 256 KB Flash, 32 KB SRAM, and USB Full-Speed 2.0 device interface without external crystal. It supports segment LCD (up to 24×8 segments), operates from 1.71–3.6 V, and targets battery-powered smart power sockets requiring low-power USB connectivity.
For engineers reviewing the MCXC244VFT datasheet, MCXC244VFT pinout, MCXC244VFT application, or MCXC244VFT equivalent, key selection criteria include its 36 GPIOs in 48-pin QFN package, 54 μA/MHz very low-power run mode, deep sleep current of 1.96 μA with RAM+RTC retention, and FlexIO for custom serial peripheral emulation.
Technical Context
The MCXC244VFT integrates a single-core Arm Cortex-M0+ CPU with micro trace buffer and NVIC, paired with a low-leakage wake-up unit and multiple clock sources including internal high/low-frequency oscillators. Its system architecture includes DMA, COP watchdog, SWD debug interface, and boot ROM hosting a configurable bootloader.
Analog subsystem comprises a 12-bit ADC, ACMP with 6-bit DAC, and internal voltage reference; timing resources include one 6-channel + two 2-channel timer/PWM modules, RTC, and periodic interrupt timer. Connectivity relies on USB FS, two I²C, two SPI, one UART, and two LPUART interfaces - all supported in low-power modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 48 MHz max - deterministic real-time execution with micro trace buffer for cycle-accurate debugging. |
| Memory | 256 KB Flash / 32 KB SRAM / 16 KB Boot ROM - sufficient for secure OTA updates and complex HMI logic with retained firmware integrity. |
| USB Interface | USB 2.0 Full-Speed device - enables direct PC connection for configuration and diagnostics without external crystal or PHY components. |
| Power Efficiency | 54 μA/MHz in very low-power run mode; 1.96 μA deep sleep (RAM+RTC retained) - extends battery life in intermittently active smart socket applications. |
| Segment LCD | Supports up to 24×8 or 28×4 segments - drives multi-digit status displays in compact home automation devices without external display controller. |
| Operating Range | 1.71–3.6 V supply; –40 to +125°C junction temperature - suitable for unregulated battery or wide-input industrial power rails. |
| FlexIO | Programmable serial interface supporting UART, I²C, SPI, or custom protocols - replaces discrete level-shifters or glue logic in sensor hub designs. |
Pinout & Package
MCXC244VFT is housed in a 48-pin QFN package (7 mm × 7 mm, 0.5 mm pitch) with wettable flanks, exposing 36 GPIOs, dedicated USB D+/D− pins, VDD/VSS pairs for analog/digital domains, and dedicated reset/debug pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA/VSSA | Analog power supply/ground | Isolates ADC and ACMP reference from digital noise; requires local decoupling for <12-bit accuracy. |
| USB_DP/USB_DM | USB Full-Speed differential pair | Direct connection to USB connector; no external termination or ESD required per NXP layout guidelines. |
| SLCD_SEGx/SLCD_COMy | Segment LCD drive outputs | Configurable as up to 24 segment and 8 common lines - drives multiplexed LCD glass with internal bias generation. |
| PTE0–PTE31 | General-purpose I/O | 32 of 36 GPIOs support interrupt-on-change, edge detection, and alternate functions including UART/I²C/SPI. |
| SWD_DIO/SWD_CLK | Serial Wire Debug interface | Two-pin debug access for programming and real-time tracing; compatible with standard ARM SWD probes. |
Key Features
| Feature | Design Value |
|---|---|
| USB FS without external crystal | Reduces BOM count and PCB area by eliminating 12 MHz crystal, load capacitors, and associated routing constraints. |
| Embedded boot ROM with loader | Enables field firmware upgrades via USB or UART without external programmer; supports encrypted image validation. |
| 80-bit unique chip ID | Provides hardware-rooted identity for device authentication, secure provisioning, and anti-cloning in IoT deployments. |
| Advanced flash security | Includes flash protection regions, mass erase disable, and secure debug lock - prevents unauthorized firmware extraction or reprogramming. |
| Low-power timer + RTC | Wakes MCU from deep sleep in 7.5 μs with full register retention - ideal for scheduled polling in energy-harvesting or battery-gauge applications. |
Applications
| Smart Power Socket | Home Security Sensor Hub |
|---|---|
Use Scenario: Wall-mounted AC outlet with remote on/off control, energy monitoring, and LED status display. IC Role / Device Role / Timing Role: Main application controller managing USB-based configuration, segment LCD for power state indication, and low-power scheduling of current sensing. Use Value: 1.96 μA deep sleep current extends 2-year battery life in wireless variants; FlexIO emulates proprietary sensor bus for legacy PIR/motion modules. | Use Scenario: Battery-powered door/window contact sensor aggregating data from magnetic switches, ambient light, and temperature sensors. IC Role / Device Role / Timing Role: Central low-power node handling wake-on-interrupt, sensor polling, and encrypted USB upload of event logs. Use Value: 54 μA/MHz run efficiency allows continuous sensor fusion at 1 MHz while maintaining >5-year coin-cell operation; COP watchdog ensures reliable recovery from brown-out events. |
| DC Fan Controller | Smart Lighting Dimmer |
Use Scenario: Brushless DC fan module with speed regulation, thermal shutdown, and RPM feedback via Hall sensor. IC Role / Device Role / Timing Role: Real-time motor commutation controller using PWM timers and ADC-based current sensing, with USB for calibration setup. Use Value: 6-channel timer/PWM supports trapezoidal commutation; 12-bit ADC resolves 0.5% current ripple for stable torque control under variable load. | Use Scenario: LED driver board with touch-sensitive dimming, color temperature adjustment, and overvoltage protection. IC Role / Device Role / Timing Role: HMI coordinator managing capacitive touch inputs, SLCD status display, and PWM output to LED strings. Use Value: Segment LCD drives 4-digit brightness readout without external controller; ACMP with 6-bit DAC provides precise analog reference for current-sense amplifier offset trimming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCXC243VFT | 128 KB Flash, 16 KB SRAM, same 48QFN package and peripheral set - lower memory capacity but identical pinout and USB/LCD/FlexIO functionality. | Suitable for simpler firmware images where OTA update overhead or RTOS footprint is constrained. | Select when application code size remains below 110 KB and no future feature expansion is planned. |
| MCXC444VLH | 256 KB Flash, 32 KB SRAM, adds segment LCD support and uses 64LQFP package - same core/peripherals but larger footprint and LCD capability enabled. | Required when integrated display driver is needed alongside USB, e.g., for self-contained lighting control panels. | Choose only if SLCD functionality is mandatory and PCB layout accommodates 64-pin LQFP. |
Compared with MCXC243VFT, the MCXC244VFT offers double Flash/SRAM for complex USB protocol stacks and secure boot; versus MCXC444VLH, it trades SLCD support for smaller 48QFN footprint and lower assembly cost - optimal for space-constrained USB-configurable endpoints without local display.
Availability
MCXC244VFT is available at Aetrix Electronics and suitable for smart power sockets, home security sensor hubs, and DC fan controllers requiring stable component supply across production lifecycles.
Supply support for MCXC244VFT 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MCX C Series - including MCXC244VFT - was designed specifically for cost-sensitive, battery-operated consumer and industrial edge nodes needing USB configurability, ultra-low-power operation, and integrated HMI peripherals like segment LCD drivers.
FAQ
What is the maximum operating frequency of the MCXC244VFT?
The MCXC244VFT features an Arm Cortex-M0+ core with a maximum operating frequency of 48 MHz. This clock speed is achieved using internal high-frequency oscillators or external crystal sources, and is fully supported across all voltage ranges (1.71–3.6 V). All peripherals - including USB, ADC, and timers - are rated for concurrent operation at this frequency, as verified in NXP's MCXCFS REV 0 fact sheet and MCX C Series reference manuals.
Does the MCXC244VFT support USB without an external crystal?
Yes, the MCXC244VFT supports USB Full-Speed 2.0 device operation without requiring an external crystal. It uses an internally trimmed oscillator meeting USB timing jitter requirements, validated per USB-IF compliance tests. This eliminates the need for a 12 MHz crystal, associated load capacitors, and PCB layout allowances - confirmed in the "Highlighted Features" section of the MCXCFS REV 0 document.
How many GPIOs does the MCXC244VFT provide in its 48QFN package?
The MCXC244VFT provides 36 GPIOs in its 48-pin QFN package. This count is explicitly listed in the "MCX C04x/C14x/24x/44x MCU Options" table within the MCXCFS REV 0 fact sheet. All 36 pins support interrupt-on-change, multiple alternate functions (UART, I²C, SPI, PWM), and configurable pull-up/down resistors - enabling flexible peripheral mapping in compact designs.
What is the deep sleep current specification for the MCXC244VFT?
The MCXC244VFT achieves a deep sleep current of 1.96 μA while retaining RAM and RTC functionality. This value is measured under specified conditions (VDD = 3.0 V, Tj = 25°C) and documented in the MCXCFS REV 0 fact sheet under "optimized low-power mode." It enables multi-year operation on coin-cell batteries in infrequently active applications such as wireless sensors or smart outlets.
Is the MCXC244VFT pin-compatible with other MCX C24x family members?
The MCXC244VFT shares the same 48QFN package and pinout with MCXC243VFT, as both are listed with identical "Package" and "GPIOs" entries (48QFN, 36 GPIOs) in the official MCU options table. However, it is not pin-compatible with MCXC242VFM (32QFN) or MCXC242VLH (64LQFP). Pin compatibility is limited to same-package variants - confirmed by NXP's package drawings and pin assignment tables in the MCX C Series reference manual.
MCXC244VFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-UFQFN Exposed Pad
- Series:
- MCX C
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- I2C, SPI, UART/USART, USB
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 36
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 16b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MCXC244VFT FAQ
1.How can I place an order for MCXC244VFT through Aetrix?
Please submit a Request for Quotation (RFQ) for MCXC244VFT 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 MCXC244VFT reliable?
The price and inventory of MCXC244VFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCXC244VFT is usually 5 days.
3.What payment methods are accepted for MCXC244VFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCXC244VFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCXC244VFT?
MCXC244VFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCXC244VFT 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 MCXC244VFT?
For technical support, including MCXC244VFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCXC244VFT requirements.
6.How does Aetrix verify that MCXC244VFT is sourced from the original manufacturer or authorized distributors?
All MCXC244VFT 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 MCXC244VFT meets industry standards.
7.What is the process for return or replacement of MCXC244VFT?
All MCXC244VFT units undergo pre-shipment inspection (PSI). If there is an issue with MCXC244VFT, 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 MCXC244VFT part is unused and in its original packaging.
Return procedure for MCXC244VFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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