For a growing number of applications, leakage is a major component of the lifetime energy consumption of an MCU, making it essential to shut the processor core down when it is not needed. Sleep modes help control that.
The article describes the context and need for embedded operating systems that are more responsive to the power management demands placed on today’s electronic devices. It reviews the design objectives for the two main types of power management, reactive and proactive, and examines how both can be implemented. For system developers designing portable electronic devices, […]