RM0453 Rev 2 237/1454
RM0453 Power control (PWR)
275
SPI2S2 O O O O R -R-- ------
ADC O O O O R
-R--------
DAC O O O O R
-R--------
VREFBUF O O O O O
-O-R------
COMPx (x = 1, 2) O O O O O
OOOOO-----
Temperature sensor O O O O R
-R--------
Timers (TIMx) x = 1, 2, 16, 17) O O O O R
-R--------
LPTIM1 O O O O O
OOOOO-----
LPTIMx (x = 2, 3) O O O O O
OOO- ------
Independent watchdog
(IWDG)
OOOOOOOOOOOO- --
Window watchdog (WWDG) O O O O R -R-R ------
SysTick timer O O O O R
-R-R------
True random number
generator (RNG)
O
(10)
O
(1
0)
RRR -R-- ------
AES hardware accelerator O O O O R -R-- ------
PKA hardware accelerator O O O O R
-R--------
CRC calculation unit O O O O R
-R-R------
IPCC O R O R R
-R-R------
HSEM O R O R R
-R--------
GTZC TZSC O R O R R
-R-R------
GTZC TZIC O R O R R
-R-R------
EXTI O O O O R
OROR O-----
GPIOs O O O O O OOOO OR
(11)
3
pin
s
(12)
(13)
3
pin
s
(1
2)
-
1. Legend: Y = Yes (enable). O = Optional (disable by default and can be enabled by software). R = data retained.
- = Not available. Gray cells indicate wakeup capability.
2. The SRAM clock can be gated on or off.
3. Flash memory can be placed in power-down mode.
4. The SRAM2 content can optionally be retained when the PWR_CR3.RRS bit is set.
5. Only when the sub-GHz radio is active.
Table 45. Functionalities depending on system operating mode
(1)
(continued)
Peripheral
Run
Sleep
LPRun
LPSleep
Stop 0 Stop 1 Stop 2 Standby Shutdo
VBAT
-
Wakeup capability
-
Wakeup capability
-
Wakeup capability
-
Wakeup capability
-
Wakeup capability
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