STM32F446RC datasheet(101/201 Pages) STMICROELECTRONICS

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DocID027107 Rev 5

101/201

STM32F446xC/E

Electrical characteristics

174

6.3.8

Wakeup time from low-power modes

The wakeup times given in Table 36 are measured starting from the wakeup event trigger up

to the first instruction executed by the CPU:

•

For Stop or Sleep modes: the wakeup event is WFE.

•

WKUP (PA0) pin is used to wakeup from Standby, Stop and Sleep modes.

All timings are derived from tests performed under ambient temperature and VDD=3.3 V.

APB2

TIM1

17.51

16.28

14.43

µA/MHz

TIM8

18.40

17.10

15.22

USART1

4.53

4.21

3.72

USART6

4.53

4.21

3.72

ADC1

4.69

4.35

3.85

ADC2

4.70

4.35

3.87

ADC3

4.66

4.31

3.82

SDIO

9.06

8.38

7.47

SPI1

1.97

1.89

1.67

SPI4

1.88

1.75

1.57

SYSCFG

1.51

1.40

1.23

TIM9

8.17

7.64

6.77

TIM10

5.07

4.75

4.22

TIM11

5.37

5.06

4.50

SAI1

3.89

3.64

3.17

SAI2

3.74

3.49

3.10

Bus Matrix

8.15

8.10

7.13

1. N = Number of strean enable (1..8)

2. To enable an I2S peripheral, first set the I2SMOD bit and then the I2SE bit in the SPI_I2SCFGR register.

Table 35. Peripheral current consumption (continued)

Peripheral

IDD(Typ Appli)

Unit

Scale 1 +

OverDrive

Scale 2

Scale 3

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