Article | REF: H8260 V1

Energy and power in embedded systems

Author: Nathalie JULIEN

Publication date: February 10, 2015

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2. How can we take an interest in consumption?

Many parameters are interdependent, making power optimization a complex problem. In most cases, we need to find the best compromise between surface area (impacting static power), speed (often antagonistic to dynamic power) and overall power (including static and dynamic power).

2.1 Different options for action

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2.1.1 Actions on supply voltage Vdd

Since supply voltage plays a quadratic role in the expression of dynamic power (§

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