Rev. 3.0, 10/02, page 611 of 686
Bit
Bit Name Initial Value
R/W
Description
7
SSBY
0
R/W
Software Standby:
This bit specifies the transition mode after executing the
SLEEP instruction
0: Shifts to sleep mode when the SLEEP instruction
is executed
1: Shifts to software standby mode when the SLEEP
instruction is executed
This bit does not change when clearing software standby
mode by using external interrupts and shifting to normal
operation. 0 should be written to this bit for clearing.
6
5
4
STS2
STS1
STS0
0
0
0
R/W
R/W
R/W
Standby Timer Select 2 to 0:
These bits select the MCU wait time for clock
stabilization when cancel software standby mode by an
external interrupt. With a crystal oscillator (table 22.3),
select a wait time of 8ms (oscillation stabilization time) or
more, depending on the operating frequency. With an
external clock, there are no specific wait requirements.
000: Standby time = 8192 states
001: Standby time = 16384 states
010: Standby time = 32768 states
011: Standby time = 65536 states
100: Standby time = 131072 states
101: Standby time = 262144 states
110: Standby time = 2048 states
111: Standby time = 16 states
3
OPE
1
R/W
Output Port Enable:
This bit selects whether address bus and bus control
signals (
CS0
to
CS7
,
AS
,
RD
,
HWR
, and
LWR
) are
brought to high impedance state or retained in software
standby mode.
0: High impedance state
1: Retained
2 to 0 —
0
—
Reserved:
These bits are always read as 0, and cannot be
modified.
Содержание H8S/2215 Series
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Страница 481: ...Rev 3 0 10 02 page 423 of 686 I O pin Control OUT IN TDI pin TDO pin Figure 14 2 Boundary Scan Register Configuration ...
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Страница 721: ...Rev 3 0 10 02 page 663 of 686 ø A23 to A0 to tBRQS tBACD tBZD tBACD tBZD tBRQS Figure 24 11 External Bus Release Timing ...
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