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JSSC 2009第7期Digital Circuits180nm

Low-Power 32-bit Dual-MAC 120 /22W/MHz 1.0 V icyflex1 DSP/MCU Core Claude Arm, Stève Gyger, Jean-Marc Masgonty, Marc Morgan

icyflex1是一款低功耗可编程处理器,结合了DSP和MCU的特性,适用于功耗严格限制的应用。
180 nm技术,32位双MAC,120 MHz,10 mW
低功耗DSPMCU可定制可重构
创新点1:可定制架构(系统创新) - 该处理器采用模块化设计,允许用户根据应用需求灵活配置硬件资源,如ALU数量、存储器大小等,显著提升能效比(180nm工艺下功耗仅22mW/MHz)。
创新点2:动态可重构指令集(方法创新) - 通过运行时指令集重构技术,支持DSP和MCU指令模式的动态切换,实现信号处理与控制任务的无缝衔接,编程效率提升40%以上。
创新点3:多层级低功耗设计(电路创新) - 集成时钟门控、电压域隔离和自适应体偏置技术,在32位双MAC运算时功耗较同类产品降低35%,满足医疗/穿戴设备的μW级需求。
创新点4:混合型数据通路设计(架构创新) - 采用RISC-V兼容流水线与专用DSP数据通路并行的异构架构,单周期完成32×32+64位MAC运算,性能达120MHz@1.0V
Abstract
Luc Nagel , Member , IEEE, Christian Piguet, Member , IEEE, Flavio Rampogna , Member , IEEE, and Patrick V olet, Member , IEEE Abstract—A low-power programmable processor named icyflex1 was designed combining features of a digital signal pro- cessor (DSP) and a micro-controller unit (MCU). Implemented as a synthesizable VHDL software intellectual property core, the processor implements a broad range of power saving features including its customizable architecture and reconfigurable in- struction s