STM32F303XD datasheet(87/173 Pages) STMICROELECTRONICS

tên linh kiện	STM32F303XD

Giải thích chi tiết về linh kiện	ARM Cortex-M4 32b MCUFPU, up to 512KB Flash, 80KB SRAM, FSMC, 4 ADCs, 2 DAC ch., 7 comp, 4 Op-Amp, 2.0-3.6 V

PDF	173 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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STM32F303xD STM32F303xE

Electrical characteristics

151

6.3.6

Wakeup time from low-power mode

The wakeup times given in Table 34 are measured starting from the wakeup event trigger up

to the first instruction executed by the CPU:

•

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

•

WKUP1 (PA0) pin is used to wake up from Standby, Stop and Sleep modes.

All timings are derived from tests performed under ambient temperature and VDD supply

voltage conditions summarized in Table 19.

Table 34. Low-power mode wakeup timings

Symbol

Parameter

Conditions

Typ @VDD, VDD = VDDA

Max

Unit

2.0 V

2.4 V

2.7 V

3 V

3.3 V

3.6 V

tWUSTOP

Wakeup from

Stop mode

Regulator in

run mode

5.4

5.2

5.1

5.0

4.9

5.6

µs

Regulator in

low power

mode

12.0

10.1

9.2

8.6

8.1

7.8

12.9

tWUSTANDBY(1)

Wakeup from

Standby

mode

LSI and

IWDG OFF

91.0

77.1

71.7

68.0

65.1

63.1

139

tWUSLEEP

Wakeup from

Sleep mode

-6

CPU

clock

cycles

1. Data based on characterization results, not tested in production.

Table 35. Wakeup time using USART

Symbol

Parameter

Conditions

Typ

Max

Unit

tWUUSART

Wakeup time needed to

calculate the maximum

USART baudrate allowing

to wakeup up from stop

mode when USART clock

source is HSI

Stop mode with

main regulator in

low power mode

-13.125

µs

Stop mode with

main regulator in

run mode

3.125

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