HD6432633 Datasheet, PDF (1271/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

SBYCR—Standby Control Register
H'FDE4
System
Bit
:
7
6
5
4
3
2
1
0
SSBY STS2 STS1 STS0 OPE
—
—
—
Initial value :
0
0
0
0
1
0
0
0
R/W
: _R/W
R/W
R/W
R/W
R/W
—
—
—
Output port enable
0 In software standby mode, watch mode, and
during direct transfer, the address bus and bus
control signal are in the high-impedance state.
1 In software standby mode, watch mode, and
during direct transfer, the address bus and bus
control signal remain in the output state.
Standby timer select 2 to 0
STS2 STS1 STS0
0
0
0 Hold time: 8192 states
1 Hold time: 16384 states
1
0 Hold time: 32768 states
1 Hold time: 65536 states
1
0
0 Hold time: 131072 states
1 Hold time: 262144 states
1
0 Reserved
1 Hold time: 16 states^*
Note: * This setting should not be selected with this product.
Software standby
0 When the SLEEP command is executed in high-speed or medium-speed modes,
the operation enters sleep mode.
When the SLEEP command is executed in sub-active mode, the operation enters
sub-sleep mode.
1 When the SLEEP command is executed in high-speed and medium-speed modes,
operation enters software standby mode, sub-active mode, and watch mode.
When the SLEEP command is executed in sub-active mode, operation enters
watch mode and high-speed mode.
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