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Questions and Answers
What does the Cortex-M processor do in case of exceptions and/or interrupts?
What does the Cortex-M processor do in case of exceptions and/or interrupts?
- It skips the interrupt service routine.
- It executes the interrupt service routine first.
- It stores the processor status and general-purpose registers before executing the interrupt service routine. (correct)
- It discards the processor status and general-purpose registers.
What is the stack operation model used by Cortex-M processor?
What is the stack operation model used by Cortex-M processor?
- Full-ascending
- Full-descending (correct)
- Half-ascending
- Half-descending
How many stack pointers (SPs) does the Cortex-M processor have?
How many stack pointers (SPs) does the Cortex-M processor have?
- One
- Three
- Two (correct)
- None
When CONTROL-Bit1 in the CONTROL register is set to 1, what happens?
When CONTROL-Bit1 in the CONTROL register is set to 1, what happens?
Which bus interface in Cortex M3 allows instruction fetch and data access simultaneously?
Which bus interface in Cortex M3 allows instruction fetch and data access simultaneously?
What does AMBA stand for regarding the bus protocols?
What does AMBA stand for regarding the bus protocols?
Which type of memory is part of the main bus interfaces in Cortex M3?
Which type of memory is part of the main bus interfaces in Cortex M3?
In what direction does the stack grow in a Cortex-M processor when utilizing a full-descending stack operation model?
In what direction does the stack grow in a Cortex-M processor when utilizing a full-descending stack operation model?
Which Stack Pointer (SP) is used in thread mode when CONTROL-Bit1 is set to 1?
Which Stack Pointer (SP) is used in thread mode when CONTROL-Bit1 is set to 1?
Which component in the Cortex-M4 block diagram is responsible for handling nested interrupts?
Which component in the Cortex-M4 block diagram is responsible for handling nested interrupts?
What type of register is used for both general and special purposes in the Cortex-M4 processor core?
What type of register is used for both general and special purposes in the Cortex-M4 processor core?
In the Cortex-M4 block diagram, which part of the processor core includes the ALU, data path, and some control logic?
In the Cortex-M4 block diagram, which part of the processor core includes the ALU, data path, and some control logic?
Which component in the Cortex-M4 processor handles up to 240 interrupt request signals?
Which component in the Cortex-M4 processor handles up to 240 interrupt request signals?
What is the main function of the Link Register (LR) in the ARM Cortex-M4 processor?
What is the main function of the Link Register (LR) in the ARM Cortex-M4 processor?
Which component of the Cortex-M4 processor is responsible for waking up the system from sleep mode upon detecting an interrupt request?
Which component of the Cortex-M4 processor is responsible for waking up the system from sleep mode upon detecting an interrupt request?
In the Cortex-M4 block diagram, what handles speculative prefetching of instructions from branch target addresses?
In the Cortex-M4 block diagram, what handles speculative prefetching of instructions from branch target addresses?
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