Datasheet

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STM32L486xx Functional overview
60
Table 5. Functionalities depending on the working mode
(1)
Peripheral Run Sleep
Low-
power
run
Low-
power
sleep
Stop 0/1 Stop 2 Standby Shutdown
VBAT
-
Wakeup capability
-
Wakeup capability
-
Wakeup capability
-
Wakeup capability
CPU Y - Y - - --------
Flash memory
(1 MB)
O
(2)
O
(2)
O
(2)
O
(2)
- --------
SRAM1 (96 KB) Y Y
(3)
YY
(3)
Y -Y------
SRAM2 (32 KB) Y Y
(3)
YY
(3)
Y -Y-O
(4)
----
FSMC OOOO-
--------
Quad SPI O O O O -
--------
Backup Registers Y Y Y Y Y
-Y-Y-Y-Y
Brown-out reset
(BOR)
YYYYYYYYYY- --
Programmable
Voltage Detector
(PVD)
OOOOOOOO- ----
Peripheral Voltage
Monitor (PVMx;
x=1,2,3,4)
OOOOO
OOO- ----
DMA OOOO-
--------
High Speed Internal
(HSI16)
OOOO
(5)
-
(5)
------
High Speed External
(HSE)
OOOO-
--------
Low Speed Internal
(LSI)
OOOOO
-O-O----
Low Speed External
(LSE)
OOOOO
-O-O-O-O
Multi-Speed Internal
(MSI)
OOOO-
--------
Clock Security
System (CSS)
OOOO-
--------
Clock Security
System on LSE
OOOOO
OOOOO- --
RTC / Auto wakeup O O O O O OOOOOOOO
Number of RTC
Tamper pins
33333O3O3O3O3
LCD OOOOOOOO- ----
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