Rev. 1.0, 02/00, page 1108 of 1141
H'FFEA: Standby Control Register SBYCR: System Control
0
0
1
0
R/W
2
0
3
0
4
0
R/W
5
0
6
0
7
R/W
R/W
STS1
R/W
STS2
0
R/W
SSBY
STS0
SCK1
SCK0
Transition to sleep mode after execution of SLEEP instruction in
high-speed mode or medium-speed mode
Transition to subsleep mode after execution of SLEEP
instruction in subactive mode
Transition to stadby mode, subactive mode, or watch mode after
execution of SLEEP instruction in high-speed mode or medium-
speed mode
Transition to watch mode or high-speed mode after execution of
SLEEP instruction in subactive mode
0
1
Software standby
System clock select
System clock select
0
0
SCK0
SCK1
1
0
1
Bus master is in high-speed mode
Medium-speed clock is
φ
/16
Medium-speed clock is
φ
/32
1
Medium-speed clock is
φ
/64
0
0
STS1
STS2
1
Standby timer select bits
0
STS0
1
0
Standby time
8192 states
16384 states
32768 states
0
1
1
0
1
65536 states
1
*
Reserved
131072 states
262144 states
Note: *Don't care.
—
—
—
—
Bit
Initial value
R/W
:
:
: