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ISSCC 2020Session 27 · IoT & SECURITYHardware Security

M0N0: A Performance-Regulated 0.8-to-38MHz DVFS ARM Cortex-M33 SIMD MCU with 10nW Sleep Power

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📋 论文概要

该论文提出了一款基于ARM Cortex-M33的性能调节型超低功耗MCU,支持0.8-38MHz动态电压频率调整(DVFS)和SIMD指令,睡眠功耗仅为10nW,主要解决了电池供电传感器节点在长时间休眠时的超低功耗需求。

💡 主要创新点

重要性
发表年份
ISSCC 2020

🏷 关键词

低功耗MCUDVFSCortex-M33亚阈值睡眠功耗

📄 原文摘要

Jonas Svedas1, Matthew J Walker1, Supreet Jeloka2, Philex Ming-Yan Fan1, Fernando García-Redondo1, Thanusree Achuthan1, James Myers1 ARM, Cambridge, United Kingdom, 2ARM, Austin, TX 1 Recent research has shown subthreshold operation to reduce active energy in low-power MCUs [1], [2], [5]. However, some applications impose additional constraints. For battery-powered sensor nodes deployed in remote locations, the MCU may lie dormant for long periods, only waking up when a sensor detects activity. For such cases, the MCU needs very low sleep power to maximize battery lifetime, deterministic real-time response to capture rare sensor events, and energy-efficient operation with enough compute and memory to run useful workloads. This work shows a 65nm Arm Cortex-M33 SoC for constrained battery-powered sensor nodes achieving 10nW sleep power (4KB retention) with fine-grained DVFS and performance regulation from 0.8MHz (0.40V) to 38MHz

👥 作者与机构

Pranay Prabhat1, Benoît Labbe1, Graham Knight1, Anand Savanth1,

分类:Hardware Security · 年份:ISSCC 2020