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针对下一代汽车架构对集成化与低功耗的需求，本文提出了一款基于28nm工艺、运行频率达600MHz的汽车闪存微控制器，并集成了虚拟化辅助处理器以实现功能安全与多操作系统支持。该方案在满足单瓦级功耗约束的同时，提升了性能与集成度。
Shohei Maeda, Tomonori Yanagita, Takao Koike, Yasuhisa Shimazaki, Masao Ito, Minoru Uemura, Toshihiro Hattori, Tadaaki Yamauchi, Hiroyuki Kondo Renesas Electronics, Kodaira, Japan Automotive architecture has been rapidly progressing toward integration and centralization [1]. Integration of multiple electronic control units (ECUs) reduces vehicle weight by deleting the wire harness between ECUs and the cooperative control of multiple functions, resulting in energy savings. The power consumption of automotive MCUs must be single-digit Watts under thermal constraints, and many functions have to be squeezed into one MCU. Adoption of a 28nm process is necessary for speed, power and density, because a conventional 40nm embedded flash process is insufficient on these axes. Furthermore, the integration of ECUs also mixes software components with varying safety integrity levels in one MCU. Resource isolation is inevitable for functional safety to avoid latent
Sugako Otani, Norimasa Otsuki, Yasufumi Suzuki, Naoto Okumura,