HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 414

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

WCR—Wait-State Control Register
Bit
Initial value
Read/Write
RAMCR—RAM Control Register
Bit
Initial value
Read/Write
RAME
R/W
—
—
7
1
7
1
RAM Enable
0 On-chip RAM is disabled.
1 On-chip RAM is enabled.
—
—
—
—
6
1
6
1
—
—
—
—
5
1
5
1
405
—
—
—
—
4
1
4
1
H'FFF8
H'FFF9
WMS1
R/W
—
—
3
0
3
1
0 0 Programmable wait mode
0 1 No wait states are inserted,
1 0 Pin wait mode
1 1 Pin auto-wait mode
WMS0
R/W
Wait Mode Select 1 and 0
—
—
2
0
2
1
regardless of the wait count.
0 0 No wait states (T
0 1 1 Wait states are inserted.
1 0 2 Wait states are inserted.
1 1 3 Wait state is inserted.
Wait Count 1 and 0
are inserted.
WC1
R/W
—
—
1
1
1
1
WC0
R/W
WSC
RAM
—
—
0
1
0
1
W
)