The arithmetic and logic unit (ALU) executes program instructions. Normally, the

Question

The arithmetic and logic unit (ALU) executes program instructions. Normally, the byte is the smallest addressable unit. ROM is used for program information that can never be erased. An address block of $1000 to $103F has 40 bytes. For address $367B, $36 is the high byte of the address. The number of bits required to represent $367B is 8. The number $5C4G is a hexadecimal number. The ASCII code for TV is $41. The microcontroller only uses 8-bit opcodes. An instruction always has one opcode plus optional operands. If unsigned numbers are being used, it is necessary to consider the overflow flag in the CCR. When returning from an interrupt, it is possible to restore register values to what they were prior to an interrupt It is possible to preserve registers by using the stack during a subroutine call. The stack is When a subroutine is called The source code The operating modes of the 68HC11 are A memory dump is E000 01 7E E4 67 96 5C E6 02 During first clock cycle of the JMP $E467 instruction, the MCU drives A FIFO Here is an assembly language instruction LDAA $015C Its components are the following

Explanation / Answer

1. (d)

2. (f)

3.(f)

4.(c)

5.(e)

6.(d)

7.(f)

8. False

9. True

10. True

11. True

12.True

13.True

14.True

15.False

16.False

17.True

18.False

19.False

20.True

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