STM32F301R8T7 查看數據表（PDF） - STMicroelectronics

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STM32F301R8T7

ARM® Cortex®-M4 32-bit MCU+FPU, up to 64 KB Flash, 16 KB SRAM, ADC, DAC, COMP, Op-Amp, 2.0 – 3.6 V

STMicroelectronics 

Electrical characteristics

STM32F301x6 STM32F301x8

6.3.6

Wakeup time from low-power mode

The wakeup times given in Table 38 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 wakeup from Standby, Stop and Sleep modes.

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

voltage conditions summarized in Table 23.

Table 38. Low-power mode wakeup timings

Symbol

Parameter

Conditions

2.0 V

Typ @VDD, VDD = VDDA

2.4 V 2.7 V 3 V 3.3 V

tWUSTOP

Wakeup from

Stop mode

Regulator in

run mode

Regulator in

low-power

mode

tWUSTANDBY(1)

Wakeup from

Standby mode

LSI and

IWDG OFF

4.5

8.2

72.8

4.2

7.0

63.4

4.1 4.0 3.8

6.4 6.0 5.7

59.2 56.1 53.1

tWUSLEEP

Wakeup from

Sleep mode

-

6

1. Guaranteed by characterization results.

Max Unit

3.6 V

3.8 4.5

5.5 9.0 µs

51.3 103

CPU

- clock

cycles

Table 39. Wakeup time using USART(1)

Symbol

Parameter

Conditions

tWUUSART

Wakeup time needed to calculate

the maximum USART baud rate

allowing to wakeup up from Stop

mode when the USART clock

source is HSI

Stop mode with main

regulator in low-power mode

Stop mode with main

regulator in run mode

1. Guaranteed by design.

Typ

Max

Unit

-

13.125

µs

-

3.125

72/135

DocID025146 Rev 6

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