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8051 Microcontroller (Internals, Instructions, Programming and Interfacing)
book

8051 Microcontroller (Internals, Instructions, Programming and Interfacing)

by Subrata Ghosal
May 2024
Intermediate to advanced content levelIntermediate to advanced
503 pages
17h 2m
English
Pearson India
Content preview from 8051 Microcontroller (Internals, Instructions, Programming and Interfacing)
159
Instruction MOVC A, @APC works in an identical way to get a byte from the program memory.
However, in this case, the accumulator content is added with the current value of the PC. Note that at the
time of this addition, the PC would be pointing to the fi rst byte of the next instruction located immediately
after MOVC instruction.  is addition does not physically change the value of the PC.  e value (16-bit
sum) is used to copy the target byte from the program memory to the accumulator. An example case of this
instruction is illustrated in Fig. 12.2. Assuming that the 1-byte MOVC instruction exists in the program
Figure 12.2 Execution ...
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Publisher Resources

ISBN: 9781282655034Publisher Website