Cortex-M0+ Processor

The ARM® Cortex®-M0+ processor is the most energy efficient ARM processor available. It builds on the very successful Cortex-M0 processor, retaining full instruction set and tool compatibility, while further reducing energy consumption and increasing performance. Along with the Cortex-M0 processor, the exceptionally small silicon area, low power and minimal code footprint of these processors enable developers to achieve 32-bit performance at an 8-bit price point, bypassing the step to 16-bit devices. The Cortex-M0+ processor comes with a wide selection of options to provide flexible development.

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The most energy-efficient ARM processor

An optimized architecture with a core pipeline of just two stages, enables the Cortex-M0+ processor to achieve a power consumption of just 9.8µW/MHz (90LP process, minimal configuration), while raising the performance to 2.42 CoreMark/MHz.


The Cortex-M0+ processor keeps the same 56 instructions of the Cortex-M0 processor, enabling simple and quick development. The Thumb® instruction set offers an unrivaled code-density while providing access to 32-bit computation performance. The combination of these features make the Cortex-M0+ processor a natural and cost effective successor to 8/16-bit devices in a wide variety of applications, while retaining tool and binary upwards compatibility with the feature-rich Cortex-M3 and Cortex-M4 processors.


Each application is different and has its specific needs. To enable our Partners to design solutions fitting the widest range of applications, the Cortex-M0+ processor offers a wide choice of options. Many of these, such as the Memory Protection Unit and the re-locatable vector-table, are common to the Cortex-M3 and Cortex-M4 processors; others are specifically for this new processor, namely the single-cycle I/O interface for faster control and the Micro Trace Buffer for enhanced debug.


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