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Submitted by: Vivek Kumar Yadav
16BCAN005
Submitted To: Bhanu
Bhushan
Asst Professor
Microcontroller needs data or
operands on which the operation is to
be performed. The method of
specifying source of operand and
output of result in an instruction is
known as addressing mode.
Types of addressing mode :
Register Addressing Mode
Direct Addressing Mode
Register Indirect Addressing Mode
Immediate Addressing Mode
Index Addressing Mode
Register Addressing Mode
In this addressing mode, the source of data or destination
of result is Register. In this type of addressing mode the
name of the register is given in the instruction where the
data to be read or result is to be stored.
Direct Addressing Mode
In this type of Addressing Mode, the
address of data to be read is
directly given in the instruction.
Register Indirect Addressing
Mode
we provide the register in the instruction, in which the address of
the other register is stored or which points to other register where
data is stored or to be stored.
Immediate Addressing Mode
In Immediate Addressing Mode , the data immediately follows the
instruction. This means that data to be used is already given in the
instruction itself.
Index Addressing Mode
This Addressing Mode is used for reading lookup
tables in Program Memory. The Address of the exact
location of the table is formed by adding the
Accumulator Data to the base pointer.
Addressing mode
Addressing mode

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Addressing mode

  • 1. Submitted by: Vivek Kumar Yadav 16BCAN005 Submitted To: Bhanu Bhushan Asst Professor
  • 2. Microcontroller needs data or operands on which the operation is to be performed. The method of specifying source of operand and output of result in an instruction is known as addressing mode.
  • 3. Types of addressing mode : Register Addressing Mode Direct Addressing Mode Register Indirect Addressing Mode Immediate Addressing Mode Index Addressing Mode
  • 4. Register Addressing Mode In this addressing mode, the source of data or destination of result is Register. In this type of addressing mode the name of the register is given in the instruction where the data to be read or result is to be stored.
  • 5. Direct Addressing Mode In this type of Addressing Mode, the address of data to be read is directly given in the instruction.
  • 6. Register Indirect Addressing Mode we provide the register in the instruction, in which the address of the other register is stored or which points to other register where data is stored or to be stored.
  • 7. Immediate Addressing Mode In Immediate Addressing Mode , the data immediately follows the instruction. This means that data to be used is already given in the instruction itself.
  • 8. Index Addressing Mode This Addressing Mode is used for reading lookup tables in Program Memory. The Address of the exact location of the table is formed by adding the Accumulator Data to the base pointer.