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Bit bus width – FUJITSU MB91460 SERIES FR60 User Manual

Page 569

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553

Chapter 31 External Bus

4.Endian and Bus Access

16-bit bus width

Figure 4-21 Example of Connecting the MB91460 Series to External Devices (16-Bit Bus Width)

8-bit bus width

Figure 4-22 Example of Connecting the MB91460 Series to External Devices (8-Bit Bus Width)

big endian area

This LSI

D31
to
D24

D23
to
D16

D00

D15 D08 D07

0

1

little endian area

D00

D15 D08 D07

0

1

WR0

WR1

D00

D07

D00

D07

big endian area

This LSI

D31
to
D24

little endian area

WR0