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6.2.3 Wait Control Register (WCR)
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WCR is an 8-bit readable/writable register that selects the wait mode for the wait-state controller
(WSC) and specifies the number of wait states.
Bit
7
—
Initial value
1
Read/Write
—
WCR is initialized to H'F3 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bits 7 to 4—Reserved: Read-only bits, always read as 1.
Bits 3 and 2—Wait Mode Select 1 and 0 (WMS1/0): These bits select the wait mode.
Bit 3
Bit 2
WMS1
WMS0
Description
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
6
5
4
—
—
—
1
1
1
—
—
—
Reserved bits
116
3
2
WMS1
WMS0
0
0
R/W
R/W
Wait count 1/0
These bits select the
number of wait states
inserted
Wait mode select 1/0
These bits select the wait mode
1
0
WC1
WC0
1
1
R/W
R/W
(Initial value)
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