STM32WB50CG datasheet(76/119 Pages) STMICROELECTRONICS

76 / 119 page

Electrical characteristics

STM32WB50CG STM32WB30CE

76/119

DS13047 Rev 5

tWUSTOP0

Wake up time from

Stop 0 mode



to Run mode in Flash

memory

Wakeup clock MSI = 32 MHz

2.38

2.96

µs

Wakeup clock HSI16 = 16 MHz

1.69

2.00

Wake up time from

Stop 0 mode



to Run mode in SRAM1

Wakeup clock MSI = 32 MHz

2.63

3.00

Wakeup clock HSI16 = 16 MHz

1.80

2.00

tWUSTOP1

Wake up time from

Stop 1 mode



to Run in Flash memory

Wakeup clock MSI = 32 MHz

4.67

5.56

Wakeup clock HSI16 = 16 MHz

5.09

6.03

Wake up time from

Stop 1 mode



to Run in SRAM1

Wakeup clock MSI = 32 MHz

4.88

5.55

Wakeup clock HSI16 = 16 MHz

5.29

5.95

Wake up time from

Stop 1 mode to



Low-power run mode



in Flash memory

Regulator in

Low-power

mode (LPR = 1

in PWR_CR1)

Wakeup clock MSI = 4 MHz

7.96

9.59

Wake up time from

Stop 1 mode to



Low-power run mode



in SRAM1

8.00

9.47

tWUSTOP2

Wake up time from

Stop 2 mode



to Run mode in Flash

memory

Wakeup clock MSI = 32 MHz

5.27

6.07

µs

Wakeup clock HSI16 = 16 MHz

5.71

6.52

Wake up time from

Stop 2 mode to Run

mode in SRAM1

Wakeup clock MSI = 32 MHz

5.20

5.94

Wakeup clock HSI16 = 16 MHz

5.64

6.42

tWUSTBY

Wakeup time from

Standby mode



to Run mode

Wakeup clock HSI16 = 16 MHz

51.0

58.1

µs

1. Guaranteed by characterization results (VDD = 3 V, .T = 25 °C).

Table 45. Low-power mode wakeup timings(1) (continued)

Symbol

Parameter

Conditions

Typ

Max

Unit

Table 46. Regulator modes transition times(1)

Symbol

Parameter

Conditions

Typ

Max

Unit

tWULPRUN

Wakeup time from Low-power run mode to

Run mode(2)

Code run with MSI 2 MHz

15.33

16.30

µs

1. Guaranteed by characterization results (VDD = 3 V, T = 25 °C).

2. Time until REGLPF flag is cleared in PWR_SR2.

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