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AN3316 Fiches technique(PDF) 13 Page - STMicroelectronics

No de pièce AN3316
Description  SPC560B power and mode management
PDF  42 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3316 Fiches technique(HTML) 13 Page - STMicroelectronics

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AN3316
Device modes
Doc ID 18232 Rev 2
13/42
Modules management
Each mode has a configuration register (ME_XXX_MC) that allows to configure the
following modules:
●
Output Configuration
For some modes it is possible to put the IO in power-down status (PDO), forcing
outputs of pads to high impedance state or switching off the pads’ power sequence
driver
●
Main Voltage Regulator (MVREG) Configuration
For some modes it is possible to switch-off the MVREG in order to minimize the
consumption
●
FLASHs Configuration
For some modes it is possible to configure the code and data Flash in normal, low
power and power down
●
Clocks Configuration
ME module is in charge of:
–
Main XOSC switching on/off
–
IRC fast switching on/off
–
FMPLL switching on/off
–
System Clock selecting
Not all modules can be configured in each mode. Following a table that describes all the
possible modules configurations for each mode:
Table 1.
Module configuration(1)
Module
Mode
PDO
MVR
DATA FLASH
CODE FLASH
PLL
OSC
IRC
RESET
Reset
Off
On
Normal
Normal
Off
Off
On
TEST
User
On

Reset
Off
Normal
Normal
Off
Off
On
SAFE
User
On
Normal
Normal
Off
Off
On
Reset
On
DRUN
User
Off
On

On
Reset
Normal
Normal
Off
Off
RUNx
User
Off
On

On
Reset
Normal
Normal
Off
Off
HALT
User
Off

Reset
On
Low Power
Low Power
Off
Off
On
STOP
User

Off

Reset
Off
On
Power Down
Power Down
Off
On
STBY
User
Off
Off
Power Down
Power Down
Off
Off
Reset
On
1.
 : module configurable
gray cell: module not configurable



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