S3C9454B View Datasheet(PDF) - Samsung
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MFG CO.
'S3C9454B' PDF : 199 Pages View PDF
S3C9454B/F9454B
ADDRESSING MODES
3 ADDRESSING MODES
OVERVIEW
Instructions that are stored in program memory are fetched for execution using the program counter. Instructions
indicate the operation to be performed and the data to be operated on. Addressing mode is the method used to
determine the location of the data operand. The operands specified in SAM88RCRI instructions may be condition
codes, immediate data, or a location in the register file, program memory, or data memory.
The SAM88RCRI instruction set supports six explicit addressing modes. Not all of these addressing modes are
available for each instruction. The addressing modes and their symbols are as follows:
— Register (R)
— Indirect Register (IR)
— Indexed (X)
— Direct Address (DA)
— Relative Address (RA)
— Immediate (IM)
3-1
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