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Unit 3 Worksheet Embedded 1 MICR 1240 [Answers]

Glenn Lopez edited this page Apr 5, 2015 · 2 revisions
  1. What is the Stack Pointer? How is the stack pointer used during an Interrupt Request [2]?

  2. What happened to the Program Counter that causes the CPU to execute the IRS [2]?

  3. Describe 2 functions of the Z8 interrupt controller [2]?

  4. What is an "interrupt vector"? Why is it necessary [2]?

  5. How does the "interrupt number" compare to the interrupt vector [2]?

  6. Describe 2 characteristics of an "Interrupt Service Routine (ISR)" [2]?

  7. How are parameters transferred between an ISR and other functions [1]?

  8. How many interrupt priority levels are selectable in the Z8 [1]?

  9. What C function is used to configure interrupts using the Z8 Ports A or D [1]?

  10. Which interrupt control registers are affected by the function specified in question 9 [3]?

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