STM32L471RG datasheet(116/218 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L471xx

116/218

DocID027226 Rev 1

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in Table 40. The MCU is placed

under the following conditions:

•

All I/O pins are in Analog mode

•

The given value is calculated by measuring the difference of the current consumptions:

–

when the peripheral is clocked on

–

when the peripheral is clocked off

•

Ambient operating temperature and supply voltage conditions summarized in Table 19:

Voltage characteristics

•

The power consumption of the digital part of the on-chip peripherals is given in

Table 40. The power consumption of the analog part of the peripherals (where

applicable) is indicated in each related section of the datasheet.

Table 40. Peripheral current consumption

Peripheral

Range 1

Range 2

Low-power run

and sleep

Unit

AHB

Bus Matrix(1)

4.5

3.7

4.1

µA/MHz

ADC independent clock domain

0.4

0.1

0.2

ADC AHB clock domain

5.5

4.7

5.5

CRC

0.4

0.2

0.3

DMA1

1.4

1.3

1.4

DMA2

1.5

1.3

1.4

FLASH

6.2

5.2

5.8

FMC

8.9

7.5

8.4

GPIOA(2)

4.8

3.8

4.4

GPIOB(2)

4.8

4.0

4.6

GPIOC(2)

4.5

3.8

4.3

GPIOD(2)

4.6

3.9

4.4

GPIOE(2)

5.2

4.5

4.9

GPIOF(2)

5.9

4.9

5.7

GPIOG(2)

4.3

3.8

4.2

GPIOH(2)

0.7

0.6

0.8

QUADSPI

7.8

6.7

7.3

RNG independent clock domain

2.2

RNG AHB clock domain

0.6

SRAM1

0.9

0.8

0.9

AHB

SRAM2

1.6

1.4

1.6

µA/MHz

TSC

1.8

1.4

1.6

All AHB Peripherals

118.5

77.3

87.6

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