參數(shù)資料
型號: C508
廠商: Electronic Theatre Controls, Inc.
英文描述: Previous Vectron Model Numbers
中文描述: 前Vectron型號
文件頁數(shù): 60/93頁
文件大?。?/td> 1204K
代理商: C508
C508
Data Sheet
56
2000-08
Table 13
Power Saving Modes Overview
Mode
Entering 2-Instruction
Example
Leaving by
Remarks
Idle
Mode
ORL PCON,#01
H
ORL PCON,#20
H
Occurance of any enabled
interrupt
CPU clock is stopped;
CPU maintains its data;
peripheral units are
active (if enabled) and
provided with clock
Hardware Reset
Slow
Down
Mode
In normal mode:
ORL PCON,#10
H
ANL PCON,#0EF
H
or
Hardware Reset
Internal clock rate is
reduced to a factor of
1
/
32
of the nominal
system clock rate (
1
/
16
of
f
OSC
)
CPU clock is stopped;
CPU maintains all its
data;
Peripheral units are
active (if enabled) and
provided with
1
/
32
of the
nominal system clock
rate (
1
/
16
of
f
OSC
)
Oscillator is stopped;
Contents of on-chip
RAM and SFR’s are
maintained
With idle mode:
ORL PCON,#01
H
ORL PCON,#30
H
Occurance of any enabled
interrupt to exit idle mode
and the instruction
ANL PCON,#0EF
H
to terminate slow down
mode
Hardware Reset
Software
Power
Down
mode
With external wake-up
capability from power down
enabled
ORL SYSCON,#10
H
ORL PCON1,#80
H
(to wake-up via pin P3.2/INT0)
or
ORL PCON1,#90
H
(to wake-up via pin P5.7/INT7)
ANL SYSCON,#0EF
H
ORL PCON,#02
H
ORL PCON,#40
H
With external wake-up
capability from power down
disabled
ORL PCON,#02
H
ORL PCON,#40
H
Hardware Reset
When P3.2/INT0 (or P5.7/
INT7) goes low for at least
10
μ
s (latch phase).
But it is desired that the
corresponding pin must be
held at high level during
the power down mode
entry and up to the
wake-up.
Hardware Reset
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