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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
76543210
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
76543210
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