ARM Architecture - Power Modes
An ARM system uses sleep modes and adaptive body biasing together. What is the combined benefit of these two low-power strategies?
An ARM system uses sleep modes and adaptive body biasing together. What is the combined benefit of these two low-power strategies?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand sleep modes
Sleep modes reduce dynamic power by stopping switching activity.Step 2: Understand adaptive body biasing
This technique reduces leakage current, lowering static power.Step 3: Combine benefits
Together, they reduce both dynamic and leakage power, improving efficiency.Final Answer:
Sleep modes reduce dynamic power; adaptive body biasing reduces leakage power -> Option BQuick Check:
Sleep = dynamic down, body bias = leakage down [OK]
Quick Trick: Sleep cuts switching; bias cuts leakage [OK]
Common Mistakes:
- Confusing power types reduced by each method
- Thinking both increase speed
- Assuming permanent disablement
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