beautypg.com

FUJITSU MB91F109 FR30 User Manual

Page 144

background image

120

CHAPTER 4 BUS INTERFACE

Figure 4.4.1 shows a map of the areas set in the 64 kilobytes by initial values during reset and a
map of the areas set in Examples 1 and 2.

Figure 4.4-1 Sample Maps of the Chip Select Areas

00000000

H

00000000

H

00010000

H

64KB

00020000

H

00030000

H

64KB

64KB

00030000

H

00040000

H

64KB

00040000

H

0FFC0000

H

64KB

00050000

H

256KB

64KB

00060000

H

10000000

H

FFFFFFFF

H

FFFFFFFF

H

Initial value

Area 0

Area 0

Area 0

Values set in Examples 1 and 2

Area 2

Area 1

Area 0

Area 1

Area 2

Area 3

Area 4

Area 5

Area 0