基于嵌入式处理器的系统级低功耗管理研究

Study on low power management at system level based on embedded processor

针对嵌入式系统低功耗设计问题,分析了动态功率管理DPM和动态电压/频率调节DVFS两种嵌入式功耗管理策略,并提出了系统级低功耗控制框架。讨论了基于嵌入式处理器i.MX1硬件平台实现系统级功耗控制方案,并给出了具体的设计方法。实际应用表明,该设计方案可有效降低系统能耗。

Focusing on low power design for embedded system,Dynamic power management and dynamic vohage/frequency scaling for embedded power management are introduced and analyzed.And the structure for low power control at system level is proposed.The technique of low power control design at system level based on i.MX1 hardware platform is discussed, and the detailed design method is presented.It is effective on saving energy.