MCX N94, N54, N53, N52 and N24 with Highly Integrated Low-power Dual Core Arm® Cortex®-M33 MCUs, with on-chip Accelerators and Advanced Security

MCX-N94-N54-N53-N52-N24
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The MCX N94, N54, N53, N52 and N24 include up to two are based on dual high-performance Arm® Cortex®-M33 cores running up to 150 MHz, with 2 MB of Flash with optional full ECC RAM, a DSP co-processor and an integrated eIQ Neutron NPU. The NPU delivers up to 42x faster machine learning throughput compared to a CPU core alone enabling it to spend less time awake and reducing overall power consumption.

The multicore design delivers improved system performance and reduces consumption by enabling smart, efficient distribution of workloads to the analog and digital peripherals. The devices are supported by the MCUXpresso Developer Experience to optimize, ease and help accelerate embedded system development.

Block Diagram

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MCX N94x MCUs

MCX N94x MCUs

MCX N54x MCUs

MCX N54x MCUs

MCX N53x MCUs

MCX N53x MCUs

MCX N52x MCUs

MCX N52x MCUs

MCX N24x MCUs

MCX N24x MCUs
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Features

General Features

  • Dual Arm Cortex-M33 150 MHz with 618 CoreMark (4.12 CoreMark/MHz) for each core
  • MCX N24: Single Arm Cortex-M33 150 MHz with 618 CoreMark (4.12 CoreMark/MHz)
  • 4.8 GOPs edge AI/ML acceleration with NPU
  • Platform Security with EdgeLock® Secure Enclave, Core Profile
  • -40 °C to +125 °C temperature range
  • Down to 57 μA/MHz active current, 6 μA Power down mode with RTC enabled and 512 kB SRAM retention, 2 μA Deep Power-down mode with RTC active and 32 kB SRAM

Cores

  • Primary: Arm® 32-bit Cortex®-M33 CPU with TrustZone®, MPU, FPU, SIMD, ETM and CTI
  • Secondary: Arm® 32-bit Cortex®-M33 CPU

Processing Accelerators

  • DSP Accelerator (PowerQUAD, with Co-Processor interface)
  • SmartDMA (co-processor for applications such as parallel camera interface and keypad scanning)
  • eIQ® Neutron N1-16 Neural Processing Unit
  • Power Line Communications (PLC) Controller

Memory

  • Up to 2 MB (2 x 1MB Bank) on chip Flash
    • Supporting Flash Swap and Read While Write
  • Cache Engine with 16 kB RAM
  • Up to 512 kB RAM, configurable as up to 416 kB with ECC (support single bit correction two bits detection)
    • Up to 4x 8 kB ECC RAM can be retained down to VBAT mode
  • FlexSPI with 16 kB cache supporting XIP, Octal/Quad SPI flash, HyperFlash, HyperRAM, Xccela memory types

Peripherals

  • Analog
    • 4x 16bit ADC
    • Each ADC can be used as two single end input ADC, or one differential input ADC
      • Up to 2 Msps in 16bit mode and 3.3 Msps in 12bit mode
    • Integrated temperature sensor connected per ADC
    • Three high-speed comparators with 17 input pins and 8-bit DAC as internal reference
      • 2x CMP is functional down to Deep Power Down mode
    • Two 12-bit DAC with sample rates of up to 1.0 MSample/sec
    • One 14-bit DAC with sample rates of up to 10 MSample/sec
    • Three OpAmps can be configured to:
      • Programmable Gain Amplifier
      • Differential Amplifier
      • Instrument Amplifier
      • Transconductance Amplifier
    • Highly accurate VREF ±0.15 % and 15 ppm/deg C drift
  • Timers
    • Five 32-bit standard general-purpose asynchronous timers/counters, which support up to four capture inputs and four compare outputs, PWM mode and external count input. Specific timer events can be selected to generate DMA requests.
    • 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 with QoS
    • 1x FlexIO programmable as a variety of serial and parallel interfaces, including, but not limited to Display Driver and camera interface
    • 2x EVM Smart Card Interfaces
    • Programmable Logic Unit (PLU)
  • Motor Control Subsystem
    • 2x eFlexPWM each with 4 sub-modules, providing 12 PWM outputs
    • 2x Quadrature Encoder/Decoder (ENC)
    • 1x Event Generator (AND/OR/INVERT) module support up to 8 output trigger
    • SINC Filter Module (3rd order, 5ch, break signals connections to PWM)

Security

  • EdgeLock® Secure Enclave, Core Profile (ELS)
    • AES-256, SHA-2, RNG
    • ECC-256 (ECDSA, ECDH)
  • EdgeLock® Accelerator (Public Key Cryptography)
  • SRAM PUF for RoT Key
  • PRINCE On The Fly Encrypt/Decrypt for internal and external Flash
  • Protected Flash Region (PFR)
  • DICE and UID and Debug authentication
  • 2x Code Watchdog
  • Tamper Detect
    • Eight tamper pins
    • Active and passive tamper pin detect
    • Voltage tamper detect
    • Temperature tamper detect
    • Clock tamper detect

Packaging

  • VFBGA184, 9x9 mm and HLQFP100, 14x14 mm

Software and Tools

  • MCUXpresso Config Tools – A comprehensive suite of system configuration tools, including pins, clocks, SDK builder and more
  • MCUXpresso SDK – An open-source software development kit (SDK) built specifically for your processor and evaluation board selections
  • MCUXpresso IDE – An easy-to-use integrated development environment (IDE) for creating, building, debugging, and optimizing your application
  • RTOS
  • Zephyr
  • FreeRTOS
  • Azure

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