STM32U073RCY6 datasheet(69/146 Pages) STMICROELECTRONICS

69 / 146 page

Symbol

Parameter

Conditions

Typ Max

Unit

tWUSTOP0

Wake up time from Stop 0 mode to Run mode

in flash

Range 1 or range 2

Wake-up clock MSI = 1 MHz

µs

33.0 36.0

Wake up time from Stop 0 mode to Run mode

in SRAM1

Range 1 or range 2

Wake-up clock MSI =

24 MHz

1.92 2.30

Wake-up clock HSI16 =

16 MHz

1.90 2.00

Wake-up clock MSI = 1 MHz

19.0 22.0

tWUSTOP1

Wake up time from Stop 1 mode to Run in

flash

Range 1 or range 2

Wake-up clock MSI =

24 MHz

11.5 17.5

µs

Wake-up clock HSI16 =

16 MHz

11.0 13.5

Wake-up clock MSI = 1 MHz

35.0 38.4

Wake up time from Stop 1 mode to Run mode

in SRAM1

Range 1 or range 2

Wake-up clock MSI =

24 MHz

7.2 13.0

Wake-up clock HSI16 =

16 MHz

6.9

8.8

Wake-up clock MSI = 1 MHz

21.9 25.0

tWUSTOP2

Wake up time from Stop 2 mode to Run mode

in flash

Range 1 or range 2

Wake-up clock MSI =

24 MHz

12.0 16.5

µs

Wake-up clock HSI16 =

16 MHz

13.4 17.0

Wake-up clock MSI = 1 MHz

40.0 43.5

Wake up time from Stop 2 mode to Run mode

in SRAM1

Range 1 or range 2

Wake-up clock MSI =

24 MHz

7.67 12.0

Wake-up clock HSI16 =

16 MHz

11.0 17.0

Wake-up clock MSI = 1 MHz

26.0 29.0

tWUSTBY

Wake-up time from Standby mode to Run

mode

Range 1

Wake-up clock MSI = 4 MHz

62.0 67.0

µs

Wake-up clock MSI = 1 MHz

63.0 67.0

tWUSHDN

Wake-up time from Shutdown mode to Run

mode

Range 1

Wake-up clock MSI = 4 MHz

292 360

μs

Table 46. Regulator mode transition times

Evaluated by characterization, not tested in production.

Symbol

Parameter

Conditions

Typ Max Unit

tWULPRUN Wake-up time from Low-power run mode to Run mode(1)

Code run with MSI 2 MHz

μs

tVOST

Regulator transition time from Range 2 to Range 1 or Range 1 to Range 2(2)

Code run with MSI 16 MHz

1. Time until REGLPF flag is cleared in PWR_SR2.

2. Time until VOSF flag is cleared in PWR_SR2.

Table 47. Wake-up time using USART/LPUART

Evaluated by characterization, not tested in production.

Symbol

Parameter

Conditions

Typ Max Unit

tWUUSART

tWULPUART

Wake-up time needed to calculate the maximum USART/LPUART baud rate

allowing to wake up up from stop mode when USART/LPUART clock source is HSI

Stop 0 mode

1.7

µs

Stop 1 mode and Stop 2

mode

8.5

STM32U073x8/B/C

Electrical characteristics

DS14548 - Rev 2

page 69/146

STM32U073RCY6 Datasheet(PDF) 69 Page - STMicroelectronics

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