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Fujitsu FR30 Computer Hardware User Manual

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CHAPTER 4 BUS INTERFACE

8-bit bus width

Bus width Big endian mode Little endian mode

address:

D31 D31

AA WR0X CAS WE

D24

AA

D00

'0'

1)

Control pinInternal register External pin

address:

D31 D31

AA WR0XCAS WE

D24

AA

D00

'0'

1)

Control pin

Internal register External pin

address:

D31 D31

BB WR0XCAS WE

D24

BB

D00

'1'

1)

Control pinInternal register External pin

address:

D31 D31

BB WR0XCAS WE

D24

BB

D00

'1'

1)

Control pinInternal register External pin

address:

D31 D31

CC WR0XCAS WE

D24

CC

D00

'2'

1)

Control pin

Internal register External pin

address:

D31 D31

CC WR0XCAS WE

D24

CC

D00

'2'

1)

Control pinInternal register External pin

address:

D31 D31

DD WR0X CAS WE

D24

DD

D00

'3'

1)

Control pinInternal register External pin

address:

D31 D31

DD WR0X CAS WE

D24

DD

D00

'3'

1)

Control pinInternal register External pin

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