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List out the addressing modes of 8051 and explain each with a suitable example.
written 7.3 years ago by gravatar for liviavaz liviavaz • 230 modified 5.1 years ago by gravatar for ninadsail ninadsail • 10
microcontroller and applications
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written 7.3 years ago by gravatar for liviavaz liviavaz • 230 •   modified 7.3 years ago

Addressing modes is an approach in which operands are given in an instruction for further operation in an assembly language code of most of the CPU with an instruction set. 8051 supports 5 addressing modes, which are explained as follows;

  1. Direct addressing mode: In this addressing mode, source and destination …

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written 7.3 years ago by gravatar for liviavaz liviavaz • 230
  1. Indexed addressing mode: In this addressing mode, address is indirectly specified in Accumulator (A), data pointer (DPTR) and program counter. It is usually the sum of the addresses stored at [A+DPTR] or [A+PC]. This addressing mode is very useful because ROM contains permanent data which is stored in the form …

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