STM32WB55 datasheet(115/193 Pages) STMICROELECTRONICS

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DS11929 Rev 11

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STM32WB55xx STM32WB35xx

Electrical characteristics

169

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in Table 50. 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 20:

Voltage characteristics



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

Table 50. The power consumption of the analog part of the peripherals (where

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

Table 50. Peripheral current consumption

Peripheral

Range 1

Range 2

Low-power

run and sleep

Unit

AHB1

Bus matrix(1)

2.40

2.00

1.80

µA/MHz

TSC

1.25

1.05

CRC

0.465

0.375

0.380

DMA1

1.90

1.55

1.80

DMA2

2.00

1.65

1.80

DMAMUX

4.15

3.40

4.45

All AHB1 peripherals

12.0

10.0

11.5

AHB2(2)

AES1

4.00

3.30

3.90

ADC1 independent clock domain

2.55

2.10

ADC1 clock domain

2.25

1.90

All AHB2 peripherals

7.45

6.20

6.60

AHB3

QSPI

7.60

6.25

7.10

AHB Shared

TRNG independent clock domain

3.80

N/A

TRNG clock domain

2.00

N/A

SRAM2

1.70

1.35

FLASH

8.35

6.90

8.45

AES2

6.95

5.75

7.00

PKA

4.40

3.65

4.25

All AHB shared peripherals

17.5

14.5

16.0

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