參數(shù)資料
型號(hào): SAF-C517A-L
廠商: SIEMENS AG
元件分類(lèi): 8位微控制器
英文描述: 8 BIT CMOS MICROCONTROLLER
中文描述: 8位CMOS單片機(jī)
文件頁(yè)數(shù): 53/72頁(yè)
文件大?。?/td> 845K
代理商: SAF-C517A-L
Semiconductor Group
51
C517A
Table 12
Power Saving Modes Overview
Mode
Entering
2-Instruction
Example
ORL PCON, #01H
ORL PCON, #20H
Leaving by
Remarks
Idle mode
Ocurrence of an
interrupt from a
peripheral unit
Hardware Reset
CPU clock is stopped;
CPU maintains their data;
peripheral units are active (if
enabled) and provided with
clock
Internal clock rate is reduced
to 1/8 of its nominal frequency
Slow Down Mode
In normal mode :
ORL PCON,#10H
ANL PCON,#0EFH
or
Hardware Reset
Ocurrence of an
interrupt from a
peripheral unit
Hardware reset
With idle mode :
ORL PCON,#01H
ORL PCON, #30H
CPU clock is stopped;
CPU maintains their data;
peripheral units are active (if
enabled) and provided with 1/8
of its nominal frequency
Oscillator is stopped;
contents of on-chip RAM and
SFR’s are maintained;
Software
Power Down Mode
ORL PCON, #02H
ORL PCON, #40H
Hardware Reset
Rising edge at
PE/SWD
HWPD = 1
Hardware
Power Down Mode
HWPD = 0
Oscillator is stopped; internal
reset is executed;
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