Online Access Free EN0-001 Exam Questions

Which TWO of the following accurately describe constraints on the location of the Tightly Coupled Memory (TCM) regions in a Cortex-R4 processor? (Choose two)

• A.TCM Region A can only be located at address 0x0
• B.TCM Region A (ATCM) must be at a lower memory address than TCM Region B (BTCM)
• C.The two TCM regions may not overlap
• D.TCM Region B (BTCM) must be located immediately above TCM Region A (ATCM)
• E.Both TCM regions must be placed at addresses which are aligned to their size

Which privileged mode can kernel code use to get direct access to the User mode registers R13 and R14?

• A.Abort mode
• B.System mode
• C.Supervisor mode
• D.Hypeivisor mode

Which of the following operations would count as intrusive to normal processor operation?

• A.Tracing using Embedded Trace Macrocell (ETM)
• B.Monitor mode debugging
• C.Halt mode debugging
• D.Using the Performance Monitor Unit

If the performance of an application remains unchanged when the core clock speed of a Cortex-A9 processor is reduced, what can you deduce about the system?

• A.Instruction cache utilization has improved
• B.The processor is NOT the limiting factor on performance
• C.The core has stopped carrying out speculative data memory accesses
• D.The Clocks Per Instruction (CPI) of the processor has increased

Which instruction would be used to return from a Reset exception?

• A.MOVSPC, R13
• B.Architecturally not defined
• C.MOVS PC, R14
• D.SUBS PC, R14, #4