Hitachi H8/500 Series - Page 369

• Examples of Calculation of Number of States Required for Execution
(Example 1) Instruction fetch from on-chip memory
Operand Start Assembler Notation Table A-7 + Number
Read/Write Addr. Address Code Mnemonic Table A-8 of States
On-chip memory Even H'0100 H'D821 ADD @R0, R1 5 + 1 6
or general register Odd H'0101 H'D821 ADD @R0, R1 5 + 0 5
(Example 2) Instruction fetch from on-chip memory
Operand Start Assembler Notation Table A-7 + Number
Read/Write Addr. Address Code Mnemonic Table A-8 + 2I of States
On-chip supporting Even H'FC00 H'11D8 JSR @R0 9 + 0 + 2 × 213
module or external Odd H'FC01 H'11D8 JSR @R0 9 + 1 + 2 × 214
memory (word)
(Example 3) Instruction fetch from external memory
Operand Assembler Notation Table A-7 + Number
Read/Write Address Code Mnemonic 2(J + K) of States
On-chip memory or H'9002 H'D821 ADD @R0, R1 5 + 2 × (1 + 1) 9
general register
360
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