Multicore Solutions Secure the Edge


NXP’s new multicore processors and microcontrollers meet the requirements of enhanced security, more processing power, and low power consumption for emerging Internet of things (IoT) applications. 

NXP has announced the new LPC5500 microcontrollers and i.MX RT600 crossover processors based on the Cortex-M33 processing core from ARM. Delivering on the vision to secure IoT edge devices, and cloud to edge connections, these devices combine hardened security subsystems and software into a secure execution environment (SEE) to raise the bar on trust, privacy, and confidentiality, NXP noted.

Two new device families announced by NXP include:

  • LPC5500 single and dual-core 100MHz Cortex-M33 microcontrollers (MCUs) in 40nm flash technology for a broad range of industrial and IoT edge applications
  • i.MX RT600 crossover processors with up to 300/600MHz Cortex-M33/Digital Signal Processor (DSP) cores in 28nm FD-SOI technology for high-performance voice and audio in ultra-low power edge processing applications

LPC5500 Platform – Multi-core Cortex-M33 MCUs for Industrial & IoT Applications


Single- or Dual-core Cortex-M33 with integrated DC-DC claims industry-leading performance at a fraction of power budget, up to 90 CoreMarks/mA.

The high density of on-chip memory, up to 640KB flash and 320KB SRAM, enables efficient execution of complex edge applications.

Further, an autonomous, programmable logic unit for offloading and execution of user-defined tasks delivers enhanced real-time parallelism.

i.MX RT600 Crossover Platform for Real-Time Machine Learning (ML) / Artificial Intelligence (AI) Applications

Wide operating voltage and performance range, with up to 300MHz Cortex-M33, up to 600MHz Cadence Tensilica HiFi 4 DSP and shared on-chip SRAM of up to 4.5MB, enables efficient local audio pre-processing, immersive 3D audio playback and voice-enabled experience.

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The ML performance is further enhanced in the DSP with 4x 32-bit MACs, vector FPU, 256-bit wide access bus, and DSP extensions for special Activation Functions (e.g., Sigmoid transfer function).

“The promise of the connected world through the Internet-of-Things is extraordinary,” said Geoff Lees, senior vice president and general manager of microcontrollers at NXP. “Through NXP’s in-depth security and processing expertise, software ecosystem and breadth of portfolio, we are uniquely positioned to bring innovative and accessible advancements in IoT security to all developers.”

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