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ST7FOXA0 датащи(PDF) 42 Page - STMicroelectronics

номер детали ST7FOXA0
подробное описание детали  8-bit MCU with single voltage Flash memory
PDF  123 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7FOXA0 датащи(HTML) 42 Page - STMicroelectronics

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Power saving modes
ST7FOXA0
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7
Power saving modes
7.1
Introduction
To give a large measure of flexibility to the application in terms of power consumption, four
main power saving modes are implemented in the ST7 (see Figure 16):
Slow
Wait (and Slow-Wait)
Active Halt
Auto wakeup From Halt (AWUFH)
Halt
After a reset the normal operating mode is selected by default (Run mode). This mode
drives the device (CPU and embedded peripherals) by means of a master clock which is
based on the main oscillator frequency (fOSC).
From Run mode, the different power saving modes may be selected by setting the relevant
register bits or by calling the specific ST7 software instruction whose action depends on the
oscillator status.
Figure 16.
Power saving mode transitions
POWER CONSUMPTION
Wait
Slow
Run
Active Halt
High
Low
Slow Wait
Halt
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