Performance Efficient Arm® Cortex®-M33-based MCU with Advanced Security and Integration

NXP-4826_Chip Photo_LPC5500_v1nm.jpg
NXP-4826_Chip Photo_LPC5500_v1nm.jpg

  • 32µA/MHz for leading performance efficiency
  • 10x improvement in signal processing
  • Rich integration to secure, sense and connect
  • MCUXpresso Ecosystem with HW & SW scalability

The LPC55S6x MCU family builds on the Cortex-M33 introduced with the LPC5500 series. This family leverages the Armv8-M to introduce new levels of performance and advanced security, bringing significant signal processing efficiency gains from a DSP accelerator offering a 10x clock cycle reduction. An optional second core offers balance in performance and power efficiency.

In addition, the 40nm NVM based process technology brings cost advantages, broad scalable packages, and memory options; as well as a robust enablement including MCUXpresso and Tools ecosystem, and low-cost development boards.

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The LPC55S6x MCU family leverages the co-processors extensions available in the Cortex-M33 to bring significant signal processing efficiency gains from a DSP accelerator, Powerquad DSP, offering 10x clock cycle reduction over CMSIS-DSP for most computing.

Accessible Security

  • TrustZone-M for asset protection
  • Secure boot and SRAM PUF based key storage for root of trust and provisioning
  • Execution from encrypted images (internal flash)

Breakthrough Performance Efficiency

  • Integrated power management unit with buck DC-DC
  • Dedicated co-processors for signal processing & cryptographic acceleration

Scalable MCU Offering

  • First of next gen LPC5500 MCU Series
  • Scalable package and memory options
  • Low-cost development board with expansion options
  • Robust enablement including MCUXpresso Software/Tools ecosystem

Core Platform

  • Up to 100MHz Cortex-M33
    • TrustZone, MPU, FPU, SIMD
  • Coprocessors
    • DSP Accelerator
    • Crypto Engine


  • Up to 640KB FLASH
  • Up to 320KB RAM
  • 128KB ROM



  • USB HS
  • USB FS
  • SDIO
  • High-Speed SPI
  • Flexcomms SPI, I2C, UART, I2S

Advanced Security Subsystem

  • Protected Flash Region (PFR)
  • AES-256
  • SHA-2
  • SRAM PUF for Key Generation support
  • PRINCE – On-The-Fly Encrypt/Decrypt for flash data
  • RNG


  • ADC
  • Analog Comparator
  • Temp Sensor


  • LQFP100
  • VFBGA98
  • LQFP64 or QFN64
  • Building control and automation
  • Consumer electronics
  • Diagnostic equipment
  • Industrial IoT
  • Machine Learning
  • Secure applications