STM32G081EB datasheet(67/136 Pages) STMICROELECTRONICS

67 / 136 page

DS12231 Rev 4

67/136

STM32G081xB

Electrical characteristics

108

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in the following table. 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 18:

Voltage characteristics

•

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

following table. The power consumption of the analog part of the peripherals (where

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

Table 33. Current consumption of peripherals

Peripheral

Bus

Consumption in µA/MHz

Range 1

Range 2

Low-power run

and sleep

IOPORT Bus

IOPORT

1.0

0.7

0.5

GPIOA

IOPORT

3.4

2.8

3.0

GPIOB

IOPORT

3.1

2.6

2.5

GPIOC

IOPORT

2.9

2.5

3.0

GPIOD

IOPORT

1.8

1.5

GPIOF

IOPORT

0.7

0.6

1.0

Bus matrix

AHB

3.2

2.2

2.8

All AHB Peripherals

AHB

15.0

12.5

14.0

DMA1/DMAMUX

AHB

4.7

3.8

4.5

CRC

AHB

0.5

0.4

0.5

FLASH

AHB

4.1

3.5

4.0

RNG

AHB

2.0

1.7

2.0

AES

AHB

2.7

2.3

2.5

All APB peripherals

APB

46.5

47.5

48.0

AHB to APB bridge(1)

APB

0.2

0.1

PWR

APB

0.4

0.3

0.5

SYSCFG/VREFBUF/COMP

APB

0.4

0.3

WWDG

APB

0.4

0.3

0.5

TIM1

APB

7.3

6.1

6.5

TIM2

APB

4.7

3.8

5.0

TIM3

APB

3.6

3.0

2.5

TIM6

APB

0.7

0.6

0.5

TIM7

APB

0.7

1.0

TIM14

APB

1.5

1.2

1.5

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