HD6433044 Datasheet, PDF (825/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

WCR—Wait Control Register
H'EE
Bus controller
Bit
7
6
5
4
3
2
1
0
—
—
—
— WMS1 WMS0 WC1 WC0
Initial value
1
1
1
1
0
0
1
1
Read/Write
—
—
—
—
R/W R/W R/W R/W
Wait mode select 1 and 0
Bit 3 Bit 2
WMS1 WMS0 Wait Mode
0
0 Programmable wait mode
1 No wait states inserted by
wait-state controller
1
0 Pin wait mode 1
1 Pin auto-wait mode
Wait count 1 and 0
Bit 1 Bit 0
WC1 WC0 Number of Wait States
0
0 No wait states inserted by
wait-state controller
1 1 state inserted
1
0 2 states inserted
1 3 states inserted
WCER—Wait-State Controller Enable Register
H'EF
Bus controller
Bit
Initial value
Read/Write
7
WCE7
1
R/W
6
WCE6
1
R/W
5
WCE5
1
R/W
4
WCE4
1
R/W
3
WCE3
1
R/W
2
WCE2
1
R/W
1
WCE1
1
R/W
0
WCE0
1
R/W
Wait-state controller enable 7 to 0
0 Wait-state control is disabled (pin wait mode 0)
1 Wait-state control is enabled
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