LPC551x/S1x family

The LPC551x/S1x MCU family expands the world’s first general purpose Cortex-M33 based MCU series, offering significant advantages for developers, including pin-, software- and peripheral-compatibility for ease of use and to help accelerate time to market, while leveraging the cost-effective 40-nm NVM process technology

The LPC5500 MCU Series leverages the Arm® Cortex®-M33 technology, combining significant product architecture enhancements and greater integration over previous generations; offering dramatic power consumption improvements and advanced security features including SRAM PUF based root of trust and provisioning, real-time execution from encrypted images (internal flash), and asset protection with Arm TrustZone®-M. In addition, the LPC5500 MCU series provides a comprehensive offering and several scalability options, all of which benefit from 40-nm cost advantages, broad scalable packages and memory options, as well as a robust enablement including the MCUXpresso Software and Tools ecosystem and low-cost development boards.


  • Ultra-efficient 40-nm flash technology:
    • Over 600 CoreMarks and as low as 32uA/MHz
  • System Integration for Industrial and IoT Markets
    • High-Precision ADCs
    • CAN-FD for industrial control 
    • HS USB with On-Chip PHY
  • Enhanced safety and security with Arm TrustZone-M technology 
  • Comprehensive enablement with MCUXpresso Ecosystem


Industrial & Building Automation
  • Remote IO and Sensor Nodes
  • Elevators and Lifts
  • Smart Lighting and Utilities
Consumer Products
  • Gaming and PC Peripherals
  • Vehicle/Asset Tracking Systems
  • Cordless Power Tools and Appliances
Smart Home 
  • Secure/Biometric Access Control
  • Security Systems
  • Sensor Nodes 


NXP LPC551x/S1x family

NXP LPC551x/S1x family



LPC551x MCU Family Six-Pack Presentation