STM32L431 datasheet(104/200 Pages) STMICROELECTRONICS

104 / 200 page

Electrical characteristics

STM32L431xx

104/200

DocID028800 Rev 1

APB1

RTCA

1.7

1.1

2.1

µA/MHz

CRS

0.3

0.6

I2C1 independent clock domain

3.5

2.8

3.4

I2C1 clock domain

1.1

0.9

1.0

I2C2 independent clock domain

3.5

3.0

3.4

I2C2 clock domain

1.1

0.7

0.9

I2C3 independent clock domain

2.9

2.3

2.5

I2C3 clock domain

0.9

0.4

0.8

LPUART1 independent clock

domain

1.9

1.6

1.8

LPUART1 clock domain

0.6

LPTIM1 independent clock

domain

2.9

2.4

2.8

LPTIM1 clock domain

0.8

0.4

0.7

LPTIM2 independent clock

domain

3.1

2.7

3.9

LPTIM2 clock domain

0.8

0.7

0.8

OPAMP

0.4

0.2

0.4

PWR

0.4

0.1

0.4

SPI2

1.8

1.6

SPI3

1.7

1.3

1.6

SWPMI1 independent clock

domain

1.9

1.6

1.9

SWPMI1 clock domain

0.9

0.7

0.8

TIM2

6.2

5.0

5.9

TIM6

1.0

0.6

0.9

TIM7

1.0

0.6

USART2 independent clock

domain

4.1

3.6

3.8

USART2 clock domain

1.3

0.9

1.1

USART3 independent clock

domain

4.3

3.5

4.2

USART3 clock domain

1.5

1.1

1.3

WWDG

0.5

All APB1 on

45.4

47.8

APB2

AHB to APB2(4)

1.0

0.9

Table 39. Peripheral current consumption (continued)

Peripheral

Range 1

Range 2

Low-power run

and sleep

Unit

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