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Power control (PWR)
Table 27. Functionalities depending on the working mode
Peripheral
CPU
Flash memory (2 Mbytes)
SRAM1
(192 Kbytes for
STM32L4Rxxx and
STM32L4Sxxx)
(128 Kbytes for
STM32L4P5xx and
STM32L4Q5xx)
SRAM2 (64 Kbytes)
SRAM3
(384 Kbytes for
STM32L4Rxxx and
STM32L4Sxxx)
(128 Kbytes for
STM32L4P5xx and
STM32L4Q5xx)
FSMC
OCTOSPIx (x=1,2)
Backup registers
Brown-out reset (BOR)
Programmable voltage
detector (PVD)
Peripheral voltage monitor
(PVMx; x=1,2,3,4)
DMA
DMA2D
Oscillator HSI16
Oscillator HSI48
High speed external (HSE)
Low speed internal (LSI)
Low speed external (LSE)
200/2301
Run
Sleep
Y
-
Y
(2)
(2)
(2)
O
O
O
(3)
Y
Y
Y
(3)
Y
Y
Y
(3)
Y
Y
Y
O
O
O
O
O
O
Y
Y
Y
Y
Y
Y
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
-
O
O
O
O
O
O
O
O
O
RM0432 Rev 6
Stop 0/1
Stop 2
-
-
-
-
-
-
(2)
O
-
-
-
(3)
Y
Y
-
Y
(3)
Y
Y
-
Y
(3)
Y
Y
-
Y
O
-
-
-
O
-
-
-
Y
Y
-
Y
Y
Y
Y
Y
O
O
O
O
O
O
O
O
O
-
-
-
O
-
-
-
(5)
(5)
O
-
-
-
-
-
O
-
-
-
O
O
-
O
O
O
-
O
(1)
Standby Shutdown
-
-
-
-
-
-
-
-
-
-
-
-
-
-
(4)
-
O
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Y
-
Y
Y
Y
Y
-
O
-
-
-
O
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
O
-
-
-
O
-
O
RM0432
VBAT
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Y
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
O
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