HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 102

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

3. MCU Operating Modes
Bit 7—Software Standby (SSBY): Enables transition to software standby mode. (For further
information about software standby mode see section 18, Power-Down State.)
When software standby mode is exited by an external interrupt, and a transition is made to normal
operation, this bit remains set to 1. To clear this bit, write 0.
Bit 7
SSBY
0
1
Bits 6 to 4—Standby Timer Select 2 to 0 (STS2 to STS0): These bits select the length of time
the CPU and on-chip supporting modules wait for the internal clock oscillator to settle when
software standby mode is exited by an external interrupt.
When using a crystal oscillator, set these bits so that the waiting time will be at least 7 ms at the
system clock rate.
For further information about waiting time selection, see section 18.4.3, Selection of Waiting
Time for Exit from Software Standby Mode.
Bit 6
STS2
0
0
0
0
1
1
1
1
Rev.4.00 Aug. 20, 2007 Page 58 of 638
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Bit 5
STS1
0
0
1
1
0
0
1
1
Description
SLEEP instruction causes transition to sleep mode
SLEEP instruction causes transition to software standby mode
Bit 4
STS0
0
1
0
1
0
1
0
1
Description
Waiting time = 8,192 states
Waiting time = 16,384 states
Waiting time = 32,768 states
Waiting time = 65,536 states
Waiting time = 131,072 states
Waiting time = 262,144 states
Waiting time = 1,024 states
Illegal setting
(Initial value)
(Initial value)