STM32WLE4JC datasheet(93/145 Pages) STMICROELECTRONICS

93 / 145 page

DS13105 Rev 8

93/145

STM32WLE5/E4xx

Electrical characteristics

133

5.3.8

Wakeup time from low-power modes and voltage scaling

transition times

The wakeup times given in the table below, are the latency between the event and the

execution of the first user instruction.

The device goes in low-power mode after the WFE (wait for event) instruction.

APB1

I2C3 independent clock domain

2.29

1.87

1.30

µA/MHz

LPTIM1

1.67

1.44

1.50

LPTIM1 independent clock domain

2.50

2.19

1.45

LPTIM2

1.67

1.37

0.90

LPTIM2 independent clock domain

2.50

2.12

1.55

LPTIM3

0.83

0.69

0.65

LPTIM3 independent clock domain

2.29

1.94

0.65

LPUART1

2.08

1.81

3.55

LPUART1 independent clock

domain

2.50

2.06

1.35

RTCAPB

2.08

1.81

1.50

SPI2

1.46

1.19

0.90

TIM2

4.58

3.81

2.95

USART2

1.88

1.56

1.35

USART2 independent clock domain

4.58

3.75

3.05

WWDG1

0.42

0.31

0.05

All APB1 peripherals(1)

19.6

16.1

20.2

APB2

ADC

1.25

1.00

0.70

µA/MHz

ADC independent clock domain

0.21

0.13

0.30

SPI1

1.25

1.06

0.90

TIM1

6.25

5.19

8.30

TIM16

2.29

1.94

1.35

TIM17

2.29

1.87

1.25

USART1

1.67

1.38

1.00

USART1 independent clock domain

4.17

3.38

2.90

All APB2 peripherals(1)

15.8

13.0

15.8

APB3

SUBGHZSPI

1.46

1.25

1.10

µA/MHz

All APB3 peripherals

1.46

1.25

1.10

All peripherals(1)

62.9

52.3

59.7

1. Without independent clocks.

Table 53. Peripheral current consumption (continued)

Peripheral

Range 1

Range 2

LPRun and LPSleep

Unit

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