MCUs target secure edge applications

25th April 2019
Mick Elliott

Offering impressive levels of security, processing efficiency, and functionality, the NXP Semiconductors LPC55S6x microcontrollers feature dual Arm Cortex-M33 cores and Arm TrustZone technology for industrial building automation, Internet of Things (IoT) edge computing, diagnostic equipment, and consumer electronics applications.

The microcontrollers, now available from Mouser Electronics, are based on the Armv8-M architecture and a low-power 40nm embedded flash process. The devices feature advanced security features, including SRAM-based Physical Unclonable Function (PUF) root of trust and provisioning, as well as asset protection with Arm TrustZone-M. The microcontrollers also offer real-time execution from encrypted images.

An integrated power management unit lowers power consumption, and achieves up to 32µA/MHz efficiency at the 96MHz core clock frequency.

A dedicated DSP hardware accelerator leverages the co-processor extensions available in the Armv8-M architecture and extends the processing capability of the CPU while maintaining full ecosystem and toolchain compatibility.

The microcontrollers offer enhanced real-time parallelism, using an autonomous programmable logic unit (PLU) for offloading and execution of user-defined tasks.

Mouser is also offering the LPCXpresso55S69 development board, which includes a high-performance onboard debug probe, audio subsystem, and accelerometer for evaluating the dual-core LPC5569 microcontroller.

The board is fully supported by the MCUXpresso suite of tools, which provides device drivers, middleware, and examples to allow rapid development, plus configuration tools and an optional free integrated development environment (IDE).

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