Chip select signals (CS
0
to CS
7
) can be output for areas 0 to 7. The bus specifications for each
area can be selected in ABWCR, ASTCR, WCER, and WCR as shown in table 6-3.
Table 6-3 Bus Specifications
ABWCR ASTCR WCER
WCR
Bus Specifications
Bus Access
ABWn
ASTn
WCEn
WMS1
WMS0
Width
States
Wait Mode
0
0
—
—
—
16
2
Disabled
1
0
—
—
16
3
Pin wait mode 0
1
0
0
16
3
Programmable wait mode
1
16
3
Disabled
1
0
16
3
Pin wait mode 1
1
16
3
Pin auto-wait mode
1
0
—
—
—
8
2
Disabled
1
0
—
—
8
3
Pin wait mode 0
1
0
0
8
3
Programmable wait mode
1
8
3
Disabled
1
0
8
3
Pin wait mode 1
1
8
3
Pin auto-wait mode
Note: n = 0 to 7
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