Datasheet

Functional overview STM32L452xx
24/210 DocID029968 Rev 3
Stop 1 LPR No Off ON
LSE
LSI
BOR, PVD, PVM
RTC, IWDG
COMPx (x=1,2)
DAC1
OPAMPx (x=1)
USARTx (x=1...3)
(9)
UART4
(9)
LPUART1
(9)
I2Cx (x=1...4)
(10)
LPTIMx (x=1,2)
***
All other peripherals are
frozen.
Reset pin, all I/Os
BOR, PVD, PVM
RTC, IWDG
COMPx (x=1..2)
USARTx (x=1...3)
(9)
UART4
(9)
LPUART1
(9)
I2Cx (x=1...4)
(10)
LPTIMx (x=1,2)
USB_FS
(11)
9.85 µA w/o RTC
10.5 µA w RTC
5.7 µs in SRAM
7 µs in Flash
Stop 2 LPR No Off ON
LSE
LSI
BOR, PVD, PVM
RTC, IWDG
COMPx (x=1..2)
I2C3
(10)
LPUART1
(9)
LPTIM1
***
All other peripherals are
frozen.
Reset pin, all I/Os
BOR, PVD, PVM
RTC, IWDG
COMPx (x=1..2)
I2C3
(10)
LPUART1
(9)
LPTIM1
2.05 µA w/o RTC
2.30 µA w/RTC
5.8 µs in SRAM
8.3 µs in Flash
Table 4. STM32L452xx modes overview (continued)
Mode Regulator
(1)
CPU Flash SRAM Clocks DMA & Peripherals
(2)
Wakeup source Consumption
(3)
Wakeup time
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