STM32WB55CC datasheet(106/165 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32WB55xx

106/165

DS11929 Rev 3

tWUSTOP2

Wake up time from

Stop 2 mode

to Run mode in Flash

memory

SMPS bypassed

Range 1

Wakeup clock MSI = 32 MHz

5.12

5.42

µs

Wakeup clock HSI16 = 16 MHz

5.55

5.88

Range 2

Wakeup clock HSI16 = 16 MHz

5.56

5.88

Wakeup clock MSI = 4 MHz

9.0

9.4

Wake up time from

Stop 2 mode

to Run mode in Flash

memory

SMPS ON

Range 1

Wakeup clock MSI = 48 MHz

TBD

Wakeup clock HSI16 = 16 MHz

TBD

Range 2

Wakeup clock HSI16 = 16 MHz

TBD

Wake up time from

Stop 2 mode to Run

mode in SRAM1

SMPS bypassed

Range 1

Wakeup clock MSI = 32 MHz

TBD

Wakeup clock HSI16 = 16 MHz

TBD

Range 2

Wakeup clock HSI16 = 16 MHz

TBD

Wakeup clock MSI = 4 MHz

TBD

Wake up time from

Stop 2 mode to Run

mode in SRAM1

SMPS ON

Range 1

Wakeup clock MSI = 48 MHz

TBD

Wakeup clock HSI16 = 16 MHz

TBD

Range 2

Wakeup clock HSI16 = 16 MHz

TBD

tWUSTBY

Wakeup time from

Standby mode

to Run mode

SMPS Bypassed

Range 1

Wakeup clock HSI16 = 16 MHz

TBD

µs

Wakeup time from

Standby mode to Run

mode

SMPS ON

TBD

tWUSHDN

Wakeup time from

Shutdown mode

to Run mode

Range 1

Wakeup clock MSI = 4 MHz

49.75 52.32

µs

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

Table 49. Low-power mode wakeup timings(1) (continued)

Symbol

Parameter

Conditions

Typ

Max

Unit

Table 50. 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

15.66

µs

tVOST

Regulator transition time from Range 2 to

Range 1 or Range 1 to Range 2(3)

Code run with HSI16

20.67

25.64

1. Guaranteed by characterization results.

2. Time until REGLPF flag is cleared in PWR_SR2.

3. Time until VOSF flag is cleared in PWR_SR2.

STM32WB55CC Datasheet(PDF) 106 Page - STMicroelectronics

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