Renesas H8S Series Hardware Manual page 921

SBYCR—Standby Control Register
Bit
Initial value
Read/Write
H'FF38
:
7 6 5
SSBY STS2 STS1
:
0 0 0
:
R/W R/W R/W
Standby Timer Select
0 0 0
1
1 0
1
1 0 0
1
1 0
1
Note: * Not available in the F-ZTAT version.
Software Standby
0 Transition to sleep mode after execution of SLEEP instruction
1 Transition to software standby mode after execution of SLEEP instruction
Power-Down State
4 3 2
STS0 OPE —
0 1 0
R/W R/W
—
Output Port Enable
0 In software standby mode, address bus and
bus control signals are high-impedance
In software standby mode, address bus and
1
bus control signals retain output state
Standby time = 8,192 states
Standby time = 16,384 states
Standby time = 32,768 states
Standby time = 65,536 states
Standby time = 131,072 states
Standby time = 262,144 states
Reserved
Standby time = 16 states*
1 0
— —
0 0
R/W
—
Reserved
Only 0 should be written
to this bit
Rev.6.00 Oct.28.2004 page 893 of 1016
REJ09B0138-0600H