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Peripherals
USB
USB Interview Questions
8 questions in
Peripherals
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Explain the USB enumeration process step by step. What happens from the moment you plug in a device?
USB
USB Fundamentals
foundational
0
What are USB descriptors and what information do they contain? Describe the descriptor hierarchy.
USB
USB Fundamentals
foundational
0
What is the difference between control, bulk, interrupt, and isochronous transfer types? When do you use each?
USB
USB Fundamentals
foundational
#4
0
What are USB device classes and name the common ones used in embedded systems?
USB
USB Fundamentals
foundational
#5
0
USB device mode vs USB host mode — which does a typical MCU implement and why?
USB
Embedded USB
foundational
#6
0
How does USB CDC-ACM work as a virtual serial port?
USB
Embedded USB
foundational
#7
0
What is USB OTG and when would an embedded device need it?
USB
Embedded USB
foundational
#8
0
How do you debug USB enumeration failures on an embedded device?
USB
Embedded USB
foundational
