NXP Semiconductors MCX N94x/N54x MCUs
MCX N94x and N54x MCUs with dual core Arm® Cortex®-M33, eIQ® Neutron NPU and EdgeLock® secure enclave core profile

MCX N Series are high-performance, low-power microcontrollers with intelligent peripherals and accelerators providing multi-tasking capabilities and performance efficiency. Select MCX N families include NXP’s eIQ® Neutron neural processing unit (NPU) for machine learning applications. These secure MCUs include our EdgeLock® Secure Enclave, Core Profile offering a secure-by-design approach, secure boot with an immutable root-of-trust and hardware-accelerated cryptography. The first families to launch within the MCX N series are the MCXN94x family and the MCXN54x family. Details on products within those families are detailed below.
Key features
- Multi-tasking & Performance efficiency
- Intelligent & Autonomous peripherals
- Advanced security
- MCUXpresso developer experience
Additional features
Core
- Arm® Cortex®-M33 @ 150 MHz (Dual core), DSP Accelerator, SmartDMA, eIQ® Neutron N1-16 Neural processing unit, Coolflux BSP32
- Memory
- Up to 2 MB (2 x 1MB Bank) on chip Flash
- Up to 512 KB RAM, Up to 4x 8 KB ECC RAM can be retained down to VBAT mode
- Peripherals
Analog
- 4x 16bit ADC (single ended) or 2x16bit (differential)
- 3 high-speed comparators with 17 input pins and 8-bit DAC as internal reference
- 2 12-bit DAC, 1 14-bit DAC, 3 OpAmps
Timers
- Five 32-bit standard general-purpose asynchronous timers/counters
- SCTimer/PWM, LPTimer, Frequency measurement timer, multi-rate timer, windowed watchdog timer, RTC with calendar, micro timer, OS Event timer
Communication interfaces
- USB high-speed (Host/Device) with on-chip HS PHY, USB full-speed (Host/Device) with on-chip FS PHY, USB device
- uSDHC (Micro SD high speed card interface)
- 10x LP Flexcomms each supporting SPI, I2C, UART
- 2x FlexCAN with FD, 2x I3Cs, 2x SAI, 1x Ethernet, 1x FlexIO, 2x EVM Smart Card Interfaces, Programmable Logic Unit (PLU)
Motor control subsystem
Security
- EdgeLock® secure enclave, core profile, EdgeLock® accelerator (public key cryptography)
- Immutable ROM
- Dual Secure Boot Mode (asymmetric mode and fast, post-quantum secure symmetric mode)
- Secure firmware update support
- Device Life cycle management including secure authenticated debug
- High-performance on-the-fly memory encryption with additional authentication for external Flash
- Protected Flash Region (PFR)
- Security monitoring
- Secure manufacturing and IP theft protection in untrusted factory
Applications
- Factory automation
- Power & Energy
- Building control
- Medical equipment
- Control & Security
- Smart appliances
- Home entertainment
- Health & Fitness
- Industrial/Consumer HMI
- Hand-held devices
- Power tools
- General purpose embedded control
Available tools
FRDM-MCXN947
- Standard form factor and headers
- Easy access to MCU I/Os
- On-board MCU-Link debugger
- Broad range of supported modules
- Shield boards come with standard, pre-populated headers
- Expansion Board Hub to find add-on boards from NXP and our partners with related MCUXpresso SDK-compatible drivers and examples
- Development for connectivity, graphics, machine learning, motor control, sensors, touch and voice
MCX-N9XX-EVK and MCX-N5XX-EVK
- Memory
- 8 MB QSPI Flash
- uSD card socket
- Connectivity
- Micro USB OTG connector *2 (FS and HS)
- M.2 Connector
- Ethernet PHY and connector
- ARDUINO interface
- Mikroe Click Interface
- Stereo Digital Microphone (MCX-N5XX-EVK only)
- EMVSIM connector (MCX-N5XX-EVK only)
- CAN Transceivers (MCX-N9XX-EVK only)
- Audio
- DMIC expansion header connections (MCX-N5XX-EVK only)
- On-board Codec (MCX-N5XX-EVK only)
- Debug
- JTAG connector
- On board MCULink debugger with energy monitor
- Sensor
- 3-Axis Accel (sensor FXLS8962AF) I3C temperature sensor (P3T1175)
- Analog light sensor
- HMI Support
- Three (3) Pushbuttons
- One (1) Touch Slider
- One (1) RGB LED
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