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Electronics America Single-Chip Microcontrollers User's Manual

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CHAPTER 3 CPU ARCHITECTURE
User’s Manual U15331EJ4V1UD 69
3.4 Operand Address Addressing
The following various methods are available to specify the register and memory (addressing) which undergo
manipulation during instruction execution.
3.4.1 Direct addressing
[Function]
The memory indicated with immediate data in an instruction word is directly addressed.
[Operand format]
Identifier Description
addr16 Label or 16-bit immediate data
[Description example]
MOV A, !FE00H; When setting !addr16 to FE00H
Instruction code 00101001OP code
00000000
11111110
00H
FEH
[Illustration]
70
OP code
addr16 (Lower)
addr16 (Higher)
Memory