An FPGA-Accelerated Fully Nonvolatile Microcontroller Unit for Sensor-Node Applications in 40nm CMOS/MTJHybrid Technology Achieving 47.14μW Operation at 200MHz

📋 论文概要

本文提出了一种基于FPGA加速的全非易失性微控制器单元（MCU），采用40nm CMOS/MTJ混合技术，旨在解决传感器节点应用中低功耗和高性能的需求。通过集成非易失性存储元件和FPGA加速，实现了数据持久性和计算效率的提升。

💡 主要创新点

• 首次在40nm CMOS/MTJ混合工艺中实现全非易失性MCU，结合FPGA加速架构。
• 利用MTJ（磁隧道结）作为非易失性存储单元，实现零待机功耗和快速唤醒。
• 通过FPGA可重构逻辑加速关键计算任务，提升传感器节点处理能力。

🏷 关键词

📄 原文摘要

Toshinari Watanabe1,2, Hiroaki Honjo1,2, Hiroki Koike1,2, Takashi Nasuno1,2, Yitao Ma1, Takaho Tanigawa1,2, Yasuo Noguchi1,2, Mitsuo Yasuhira1,2, Hideo Sato1, Shoji Ikeda1,2, Hideo Ohno1, Tetsuo Endoh1,2, Takahiro Hanyu1 Tohoku University, Miyagi, Japan JST/ACCEL, Tokyo, Japan 1 2 Recently, the demand for low-power, high-performance microcontroller units (MCUs) for power-supply-critical sensor node applications has been increasing. In response to this demand, the use of nonvolatile memory elements for realizing MCUs for sensor node applications has been actively researched and developed. The latest nonvolatile MCUs (NV-MCUs) demonstrated 32b operation at 30MHz

👥 作者与机构

Masanori Natsui1, Daisuke Suzuki1, Akira Tamakoshi1,