HD643303x Hitachi, HD643303x Datasheet - Page 126

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

6.3.3 Wait Modes
Four wait modes can be selected for each area as shown in table 6-4.
Table 6-4 Wait Mode Selection
ASTCR
ASTn Bit WCEn Bit WMS1 Bit WMS0 Bit WSC Control
0
1
Note: n = 7 to 0
The ASTn and WCEn bits can be set independently for each area. Bits WMS1 and WMS0 apply
to all areas. All areas for which WSC control is enabled operate in the same wait mode.
WCER
—
0
1
—
—
0
1
WCR
—
—
0
1
0
1
Disabled
Disabled
Enabled
Enabled
Enabled
Enabled
111
Wait Mode
No wait states
Pin wait mode 0
Programmable wait mode
No wait states
Pin wait mode 1
Pin auto-wait mode