APPENDIX B Bus Operation List

Table B-1

Bus Operation List (4/11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CODE

MNEMONIC

~

 

Cycle

Address bus

Data bus

RD

WR

RMW

 

 

 

 

 

 

 

 

 

 

 

 

F4

XCHW A, PC

3

 

1

N +2

Data of N +2

1

0

0

 

 

 

 

 

2

Address divergence

The following

1

0

0

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

3

Address divergence

The following

1

0

0

 

 

 

 

 

 

+1

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A0 - A7

CLRB dir:n

4

 

1

N +2

The following

1

0

1

 

 

 

 

 

 

 

instruction

 

 

 

 

A8 - AF

SETB dir:n

 

 

2

dir address

Data

1

0

1

 

 

 

 

 

3

dir address

Data

0

1

0

 

 

 

 

 

4

N +3

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B0 - B7

BBC dir:n, rel

Divergence

 

 

 

 

 

 

B8 - BF

BBS dir:n, rel

5

 

1

N +2

rel

1

0

0

 

 

 

 

 

 

 

2

dir address

Data

1

0

0

 

 

 

 

 

3

N +3

Data of N+3

1

0

0

 

 

 

 

 

4

Address divergence

The following

1

0

0

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

5

Address divergence

The following

1

0

0

 

 

 

 

 

 

+1

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No divergence

 

 

 

 

 

 

 

 

5

 

1

N +2

rel

1

0

0

 

 

 

 

 

 

 

 

 

2

dir address

Data

1

0

0

 

 

 

 

 

3

N +3

The following

1

0

0

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

4

0

0

0

 

 

 

 

 

5

N +4

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

MOV A, ext

4

 

1

N +2

ext (L byte)

1

0

0

 

 

 

 

 

2

N +3

The following

1

0

0

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

3

ext address

Data

1

0

0

 

 

 

 

 

4

N +4

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61

MOV ext, A

4

 

1

N +2

ext (L byte)

1

0

0

 

 

 

 

 

2

N +3

The following

1

0

0

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

3

ext address

Data

0

1

0

 

 

 

 

 

4

N +4

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

243

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Image 255
Fujitsu F2MC-8FX manual Table B-1 Bus Operation List 4/11