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    Cortex-M0 Overview

     

    The ARM Cortex™-M0 processor is the smallest, lowest power and most energy-efficient ARM processor available.  The exceptionally small silicon area, low power and minimal code footprint of the processor enables developers to achieve 32-bit performance at an 8-bit price point, bypassing the step to 16-bit devices. The ultra low gate count of the Cortex-M0 processor also enables it to be deployed in analog and mixed signal devices

     

    The lowest power, smallest ARM processor

    The code density and energy efficiency benefits of Cortex-M0 mean that it is 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 processor.

     

    Ultra low power

    The Cortex-M0 processor, which consumes as little as 3 µW/MHz (0.003 mW) in an area of under 12 K gates, builds on the unrivalled expertise of ARM as a leader in low-power technology and a key enabler for the creation of ultra low-power devices.

     

    Simplicity

    With just 56 instructions it is possible to quickly master the entire Cortex-M0 instruction set if desired; but its C friendly architecture means this is not a necessity. The option for fully deterministic instruction and interrupt timing makes it easy to calculate response times.

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    Optimized connectivity

    Designed to support low power connectivity such as Bluetooth Low Energy (BLE), IEEE 802.15 and Z-wave, particularly in analog devices which are increasing their digital functionality to pre-process and communicate data efficiently.

     

     

    ARM Cortex-M0 Features

    ISA Support

    Thumb® / Thumb-2 subset

    Pipeline

    3-stage

    Performance Efficiency

    1.62 CoreMark/MHz - 0.9 DMIPS/MHz

    Interrupts

    Non-maskable Interrupt (NMI) + 1 to 32 physical interrupts

    Sleep Modes

    Integrated WFI and WFE Instructions and Sleep On Exit capability.

    Sleep & Deep Sleep Signals.

    Optional Retention Mode with ARM Power Management Kit

    Bit Manipulation

    Bit banding region can be implemented with Cortex-M System Design Kit

    Enhanced Instructions

    Hardware single-cycle (32x32) multiply option

    Debug

    Optional JTAG & Serial-Wire Debug Ports. Up to 4 Breakpoints and 2 Watchpoints

     

     

     

     

     


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