HD6475328CG Datasheet, PDF (414/459 Pages) Hitachi Semiconductor – Manual Gives a Hardware Description

WCR—Wait-State Control Register
Bit
7
6
5
—
—
—
Initial value
1
1
1
Read/Write
—
—
—
H'FFF8
WSC
4
3
2
1
0
— WMS1 WMS0 WC1 WC0
1
0
0
1
1
—
R/W R/W R/W R/W
Wait Count 1 and 0
0 0 No wait states (TW)
are inserted.
0 1 1 Wait states are inserted.
1 0 2 Wait states are inserted.
1 1 3 Wait state is inserted.
Wait Mode Select 1 and 0
0 0 Programmable wait mode
0 1 No wait states are inserted,
regardless of the wait count.
1 0 Pin wait mode
1 1 Pin auto-wait mode
RAMCR—RAM Control Register
H'FFF9
RAM
Bit
7
6
5
4
3
2
1
0
RAME —
—
—
—
—
—
—
Initial value
1
1
1
1
1
1
1
1
Read/Write
R/W
—
—
—
—
—
—
—
RAM Enable
0 On-chip RAM is disabled.
1 On-chip RAM is enabled.
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