beautypg.com

3 area wait register (awr0-7), Configuration of the area wait registers (awr0-7) – FUJITSU MB91460 SERIES FR60 User Manual

Page 536

background image

520

Chapter 31 External Bus

2.External Bus Interface Registers

2.3 Area Wait Register (AWR0-7)

This section explains the configuration and functions of the area wait registers
(AWR0-7).

Configuration of the Area Wait Registers (AWR0-7)

The area wait registers (AWR0-7: Area Wait Register 0-7) specify various kinds of waits for each chip select area.

Figure 2-3

"Configuration of the Area Wait Registers

(AWR0-7)" shows the configuration of the area wait

registers (AWR0-7).

Figure 2-3 Configuration of the Area Wait Registers (AWR0-7) (Continued on next page)

AWR0H

31

30

29

28

27

26

25

24

31

30

29

28

27

26

25

24

31

30

29

28

27

26

25

24

0000 0660

H

W15

W14

W13

W12

W11

W10

W09

W08

01111111

b

01111111

b

11111011

B

11111011

B

W/R

AWR0L

AWR1L

23

22

21

20

19

18

17

16

23

22

21

20

19

18

17

16

23

22

21

20

19

18

17

16

0000 0661

H

W07

W06

W05

W04

W03

W02

W01

W00

W/R

AWR1H

0000 0662

H

W15

W14

W13

W12

W11

W10

W09

W08

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

xxxxxxxx

b

W/R

7

6

5

4

3

2

1

0

0000 0663

H

W07

W06

W05

W04

W03

W02

W01

W00

W/R

AWR2H

AWR2L

AWR3H

AWR3L

AWR4L

AWR4H

0000 0664

H

W15

W14

W13

W12

W11

W10

W09

W08

W/R

0000 0665

H

W07

W06

W05

W04

W03

W02

W01

W00

W/R

0000 0666

H

W15

W14

W13

W12

W11

W10

W09

W08

W/R

7

6

5

4

3

2

1

0

0000 0667

H

W07

W06

W05

W04

W03

W02

W01

W00

W/R

0000 0668

H

W15

W14

W13

W12

W11

W10

W09

W08

W/R

0000 0669

H

W07

W06

W05

W04

W03

W02

W01

W00

W/R

15 14 13 12 11 10 9 8

15 14 13 12 11 10 9 8

Initial value

INIT RST Access