You need to design a system where a sensor with slow data rate and a high-speed memory controller coexist. How should you connect these devices using AHB and APB buses?

hard📝 Application Q8 of 15

ARM Architecture - Bus Architecture

AConnect sensor to APB bus and memory controller to AHB bus

BConnect both sensor and memory controller to AHB bus

CConnect sensor to AHB bus and memory controller to APB bus

DConnect both sensor and memory controller to APB bus

Step-by-Step Solution

Solution:

Step 1: Match device speed to bus type
Sensor is slow, so APB is suitable; memory controller is high-speed, needs AHB.
Step 2: Assign buses accordingly
Connect sensor to APB for simplicity and low power; memory controller to AHB for performance.
Final Answer:
Connect sensor to APB bus and memory controller to AHB bus -> Option A
Quick Check:
Slow device on APB, fast device on AHB [OK]

Quick Trick: Slow devices use APB, fast devices use AHB [OK]

Common Mistakes:

Swapping bus connections
Connecting all devices to one bus

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More ARM Architecture Quizzes

You need to design a system where a sensor with slow data rate and a high-speed memory controller coexist. How should you connect these devices using AHB and APB buses?

Step 1: Match device speed to bus type

Step 2: Assign buses accordingly

Final Answer:

Quick Check:

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