MCX W72x Secure and Ultra-Low-Power MCUs for Matter, Thread, Zigbee and Bluetooth LE

  • This page contains information on a preproduction product. Specifications and information herein are subject to change without notice. For additional information contact support or your sales representative.

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MCX W72x

MCX-W72 Series

MCX W72x Architecture

MCX-W72 Architecture


Core Platform

  • Arm Cortex-M33 up to 96 MHz
  • Nested vectored interrupt controller (NVIC)
  • Wake-up interrupt controller (WIC)


  • 2 MB program Flash with ECC
  • 256 kB SRAM with ECC and parity

Radio Subsystem

  • Dedicated Arm Cortex-M33 core
  • Dedicated 512 kB flash and controller for secure, authenticated NXP 15.4 and Bluetooth LE firmware
  • 170 kB dedicated SRAM
  • IEEE 802.15.4-2015 compliant radio
    • 101 dBm 250 kbps receive sensitivity
    • Improved enhanced ACK timing support in the 802.15.4 hardware
    • Dual PAN support
  • 2.4 GHz Bluetooth Low Energy Version 5.x upgradeable radio supporting up to 24 simultaneous hardware connections in any central/peripheral combination
    • 106 dBm 125 kbit/s long range receive sensitivity
    • 102 dBm 500 kbit/s long range receive sensitivity
    • 97.5 dBm 1 Mbit/s receive sensitivity
    • 95 dBm 2 Mbit/s receiver sensitivity
  • Support for Bluetooth Channel Sounding
    • Integrated Localization Compute Engine (LCE) reduces ranging latency
  • Programmable transmit output power up to +10 dBm
  • Data rates: 125 kbit/s, 500 kbit/s, 1 Mbit/s and 2 Mbit/s
  • Modulation types: 2 level FSK, GFSK, MSK, GMSK
  • On-chip balun with single ended bidirectional RF port


  • Analog
    • 16-bit single ended SAR analog-to-digital converter (ADC) up to 2 Msps
    • Two high-speed analog comparators (CMP) with 8-bit digital-to-analog converter (DAC)
    • 1.0 V to 2.1 V voltage reference (Vref)
  • Timers
    • Two 6-channel 32-bit timers (TPM) with PWM capability and DMA support
    • Two 32-bit low-power timers (LPTMR) or pulse counters with compare features
    • 4-channel 32-bit low-power periodic interrupt timer (LPIT) with DMA support
    • One 56-bit timestamp timer
    • 32-bit seconds real time counter (RTC) with 32-bit alarm and independent power supply
    • Signal frequency analyzer (SFA) provides facilities for measurement of clock period/frequency as well as time between triggers
  • Communication Interfaces
    • Two low-power UART (LPUART) modules
    • Two low-power SPI modules and one MIPI-I3C module
    • Two low-power I2C (LPI2C) modules supporting the system management bus (SMBus) specification, version 2
    • Two optional FlexCANs with CAN and CAN FD supporting the full implementation of the CAN Specification Version 2.0, Part B. FD Support
    • One programmable FlexIO module supporting emulation of UART, I2C, SPI, Camera IF, LCD RGB, PWM/ waveform generation
    • 29 GPIO (48QFN)
  • System Peripherals
    • DC/DC converter supporting buck and bypass operating modes
    • Asynchronous DMA controller with per channel access permissions (secure/non-secure)
    • Wake-up unit for power-down modes


  • EdgeLock secure enclave, core profile
    • Support for Edgelock 2GO cloud based certificate deployment and management
    • Secure boot and debug
    • Symmetric key encryption - AES-128/192/256 and ECB, CBC, CTR, GCM, CMAC and CCM modes
    • Asymmetric key encryption - ECC NIST P–192/224/256/384/521, Curve25519
    • Key exchange algorithms - ECDH(E), SPAKE2+, JPAKE
    • Secure key generation, storage and management
    • Flash access protection and optional encryption on-the-fly decryption using a PRINCE XEX block cipher mode

MCUXpresso Developer Experience

  • MCUXpresso ecosystem support
    • Selection of IDE choices
    • Pin, clock, peripheral, security and memory config tools
    • Security programming and provisioning tools
    • Software development kit (SDK)
    • MCUXpresso software development kit (SDK) with connectivity stacks and examples


  • 48QFN, 7x7 mm, 29 GPIO
  • 112BGA, 7x7 mm, 59 GPIO

Operating Characteristics

  • Temperature range (ambient): -40 °C to 125 °C
  • Temperature range (junction): -40 °C to 125 °C
  • DC/DC voltage range: 1.8 V to 3.6 V
  • Bypass voltage range: 1.8 V to 3.6 V
  • AEC-Q100 qual with Industrial grade


Quick reference to our documentation types.

1 documents


Quick reference to our software types.

1 software file

Note: For better experience, software downloads are recommended on desktop.


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