ARM Architecture - Power Modes
In an ARM design, if clock gating is applied incorrectly and the clock is never enabled for a module, what is the likely outcome?
In an ARM design, if clock gating is applied incorrectly and the clock is never enabled for a module, what is the likely outcome?
medium📝 Analysis Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand clock gating effect on module operation
If the clock is never enabled, the module receives no clock pulses and cannot operate.Step 2: Identify system impact
A non-operating module can cause system malfunction or failure.Final Answer:
The module will never operate, causing system malfunction -> Option AQuick Check:
No clock = no operation = malfunction [OK]
Quick Trick: No clock means no operation, causing failure [OK]
Common Mistakes:
- Thinking module runs at full speed without clock
- Assuming power consumption increases without clock
- Believing module resets automatically
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