Datasheet

DocID029968 Rev 3 29/210
STM32L452xx Functional overview
55
USARTx (x=1,2,3)
UART4
OOOOO
(6)
O
(6)
- ------
Low-power UART
(LPUART)
OOOOO
(6)
O
(6)
O
(6)
O
(6)
- ----
I2Cx (x=1,2,4) O O O O O
(7)
O
(7)
- ------
I2C3 OOOOO
(7)
O
(7)
O
(7)
O
(7)
- ----
SPIx (x=1,2,3) O O O O -
--------
CAN OOOO-
--------
SDMMC1 O O O O -
--------
SAIx (x=1) O O O O -
--------
ADCx (x=1) O O O O -
--------
DAC1 O O O O O
--------
VREFBUF O O O O O
--------
OPAMPx (x=1) O O O O O
--------
COMPx (x=1,2) O O O O O
OOO- ----
Temperature sensor O O O O -
--------
Timers (TIMx) O O O O -
--------
Low-power timer 1
(LPTIM1)
OOOOO
OOO- ----
Low-power timer 2
(LPTIM2)
OOOOO
O- ------
Independent
watchdog (IWDG)
OOOOO
OOOOO- --
Window watchdog
(WWDG)
OOOO-
--------
SysTick timer O O O O - --------
Touch sensing
controller (TSC)
OOOO---------
Random number
generator (RNG)
O
(8)
O
(8)
-----------
Table 5. Functionalities depending on the working mode
(1)
(continued)
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
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