MCX A26 Essential Mainstream MCU Arm® Cortex® M33 with 240 MHz, Rich Serial Peripherals and Security

MCX-A265-A266
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The MCX A Series is part of the broader MCX portfolio and offers flexible, general-purpose microcontrollers built for diverse embedded applications.

The MCX A26 family of microcontrollers delivers robust performance with clock speeds up to 240 MHz, featuring up to 1MB of Flash and 256kB of RAM. Engineered for PC accessory applications, these devices offer a comprehensive set of serial peripherals including full-speed USB, dual CAN-FD, I3C and support for 4 x 44-segment LCD displays. FlexIO and SmartDMA enhance flexibility and data handling, while integrated security features ensure reliable operation.

The MCX A26 is also optimized for motor control, incorporating two FlexPWM modules with four submodules each, AOI logic, and up to two ADCs for precise signal processing.

Development is supported by the MCUXpresso Developer Experience, designed to simplify workflows and accelerate embedded system design.

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MCX A26 Block Diagram

MCX-A26 Block Diagram
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Features

Core Platform

  • Arm® Cortex®-M33 240MHz

Processing Accelerators

  • SmartDMA, co-processor for applications such as parallel camera interface and keypad scanning

Memory

  • Single-bank Flash: Up to 1024 kB Flash with ECC (supports one-bit correction and two-bit detection)
  • Cache Engine with 8 kB RAM
  • Up to 256 kB RAM of which 8 kB is shared with cache, configurable as up to 8 kB RAM with ECC (support one-bit correction and two-bit detection)
  • All RAM can be retained down to Deep Power-down mode
  • ROM

Peripherals

  • Analog
    • 2x 16-bit ADC
      • Up to 3.2 Msps in 16-bit mode, and 4 Msps in 12-bit mode
      • Up to 43 ADC Input channels total (depending on the package)
      • Integrated temperature sensor
    • 1 x 12-bit DAC
      • Up to 1 Msps
    • 2 x High-speed Comparators with 8 input pins and 8-bit DAC as internal reference
      • 1x LPCMP is functional down to Deep Power-down mode
    • 1x OPAMP without PGA
    • Advanced Motor Control
      • Up to 2x FlexPWM each with 4 submodules, providing 16 complementary outputs of PWM (no Nanoedge module)
      • Up to 2x Quadrature Encoder/Decoder (eQDC)
      • 2x AOI (AND/OR/Invert) module supports up to 4 output triggers
  • Timers
    • 5 x 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
    • Low power timerer
    • Frequency measurement timer
    • Windowed watchdog timer
    • Wake timer
    • Microtick timer (UTICK)
    • OS event timer
    • RTC timer without external 32 kHz input
  • Communication Interfaces for Connectivity
    • 2x LPSPI, 4x LPI2C, 6x LPUART
    • 1x I3C
    • USB Full-speed (Device/Host) with on-chip FS PHY
    • 1x FlexCAN with FD
    • 2x FlexCAN with FD
  • HMI
    • FlexIO
    • Segment LCD support 4x44

Security

  • EdgeLock Accelerator
    • PKC (Public Key Cryptography), supports ECC and RSA encryption and decryption
    • SGI (Secure Generic Interface), provides AES256, SHA-2 and key generation/derivation
    • Secure key store with key usage policies (protection of platform integrity, manufacturing and applications keys)
  • 128-bit Universal unique identifier (UUID) per device in accordance with IETF's RFC4122 version5 specification
  • Device life cycle management
  • Flash read/write/execute permission protect by MBC and lockable
  • Implicit-protected Flash Region (IFR)
  • Security Monitoring
    • Code watchdog for code flow integrity checking
    • Glitch attack resistant keyed access (Glikey) to security sensitive registers
    • 6x Passive anti tamper detect
  • Secure Installer for secure manufacturing and IP theft protection in untrusted factory

Packaging

  • WFBGA169 7x7mm, LQFP144 20x20mm, LQFP100 14x14mm, LQFP64 10x10mm

MCUXpresso Developer Experience

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