ARM Architecture - Bus Architecture
Which design approach helps reduce latency in a bus matrix when multiple masters frequently access the same slave?
Which design approach helps reduce latency in a bus matrix when multiple masters frequently access the same slave?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify latency cause
Multiple masters contend for the same slave causing delays.Step 2: Evaluate design solutions
Priority arbitration with buffering reduces wait times and smooths access.Final Answer:
Implementing a priority-based arbitration with buffering at the slave interface -> Option AQuick Check:
Buffering plus priority reduces contention latency [OK]
Quick Trick: Priority arbitration and buffering reduce slave access latency [OK]
Common Mistakes:
- Assuming disabling arbitration improves latency
- Believing sequential access is faster than arbitration
Master "Bus Architecture" in ARM Architecture
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