STM32U545NET3QTR datasheet(179/283 Pages) STMICROELECTRONICS

179 / 283 page

DS14216 Rev 1

179/283

STM32U545xx

Electrical characteristics

258

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in the table below. 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

•

The ambient operating temperature and supply voltage conditions are summarized

in Table 33.

•

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

below. The power consumption of the analog part of the peripherals (where applicable)

is indicated in each related section of the datasheet.

Table 72. Typical dynamic current consumption of peripherals

Bus

Peripheral

LDO

SMPS

Unit

Range

Stop

1/2

Range

Stop

1/2

AHB1

1.50

1.37

1.23

1.12

0.81

0.68

0.58

0.42

µA/

MHz

BKPSRAM

1.09

1.01

0.92

0.83

0.60

0.51

0.43

0.31

CORDIC

0.89

0.82

0.75

0.67

0.49

0.41

0.35

0.25

CRC

0.54

0.50

0.46

0.41

0.30

0.25

0.21

0.16

DCACHE1

0.65

0.60

0.55

0.49

0.36

0.30

0.25

0.19

FLASH

2.33

2.13

1.94

1.74

1.26

1.07

0.89

0.65

FMAC

2.18

1.99

1.82

1.64

1.18

1.00

0.84

0.61

GPDMA1

3.19

2.91

2.64

2.39

1.72

1.46

1.23

0.89

GTZC1

0.13

0.12

0.11

0.08

0.06

0.05

0.04

ICACHE

0.46

0.43

0.39

0.35

0.26

0.21

0.18

0.13

MDF1

2.85

2.60

2.37

2.13

1.54

1.30

1.10

0.80

MDF1 indep(1)

0.57

0.52

0.47

0.43

0.31

0.26

0.22

0.16

RAMCFG

1.30

1.20

1.09

0.98

0.71

0.60

0.50

0.37

SRAM1

0.97

0.89

0.81

0.73

0.53

0.45

0.38

0.28

TSC

0.90

0.83

0.76

0.68

0.49

0.42

0.34

0.26

ADC1

2.32

2.13

1.93

1.74

1.25

1.06

0.91

0.65

ADC1 indep(1)

0.96

0.87

0.79

0.71

0.52

0.44

0.37

0.27

AES

2.34

2.13

1.93

1.74

1.26

1.06

0.90

0.66

AHB2

1.36

1.26

1.13

1.02

0.74

0.63

0.53

0.39

DCMI

4.79

4.38

3.98

3.59

2.59

2.19

1.86

1.35

GPIOA

0.11

0.10

0.09

0.08

0.06

0.05

0.04

0.03

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