STM32U545NET3QTR datasheet(144/283 Pages) STMICROELECTRONICS

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Table 39. Current consumption in Run mode on SMPS, code with data processing

running from flash memory, ICACHE ON (1-way), prefetch ON, VDD = 3.0 V(1)

Parameter

Conditions

Typ at VDD = 3.0 V

Max at VDD = 3.0 V(2)

Unit

Voltage

scaling

fHCLK

(MHz)

25°C 55°C 85°C 105°C 125°C 25°C 55°C 85°C 105°C 125°C

IDD

(Run)

Supply

current in

Run mode

fHCLK = fMSI,

all peripherals and AHB/APB

disabled,

Flash bank 2 in power down,

all SRAMs enabled

Range 4

0.63

0.69

0.86

1.10

1.60

0.83

1.10

1.60

2.30

3.80

0.47

0.52

0.69

0.95

1.45

0.66

0.82

1.40

2.10

3.60

0.37

0.43

0.60

0.85

1.35

0.55

0.72

1.30

2.00

3.50

0.17

0.22

0.39

0.65

1.15

0.33

0.49

0.99

1.80

3.30

0.12

0.18

0.34

0.60

1.10

0.28

0.44

0.94

1.80

3.30

0.10

0.15

0.32

0.58

1.05

0.25

0.42

0.91

1.70

3.20

0.4

0.08

0.14

0.30

0.56

1.05

0.24

0.40

0.90

1.70

3.20

0.1

0.07

0.13

0.30

0.55

1.05

0.23

0.39

0.89

1.70

3.20

fHCLK = PLL on HSE 16 MHz in

bypass mode,

all peripherals and AHB/APB

disabled,

Flash bank 2 in power down,

all SRAMs enabled

Range 1

160

7.35

7.55

8.05

8.65

9.70

8.50

9.00 11.00 13.00 16.00

140

6.55

6.70

7.20

7.75

8.75

7.60

8.10

9.50

12.00 15.00

120

5.65

5.90

6.30

6.90

7.95

6.60

7.20

8.50

11.00 15.00

Range 2

110

4.50

4.65

5.00

5.50

6.35

5.30

5.60

6.60

8.10

11.00

3.15

3.30

3.65

4.10

4.90

3.80

4.10

5.10

6.50

9.20

2.85

3.00

3.35

3.80

4.60

3.50

3.80

4.80

6.20

8.90

fHCLK = fHSE bypass mode,

all peripherals and AHB/APB

disabled,

Flash bank 2 in power down,

all SRAMs enabled

Range 3

2.20

2.30

2.55

2.90

3.60

2.70

2.90

3.60

4.70

6.80

1.45

1.55

1.80

2.15

2.80

1.80

2.10

2.80

3.90

5.90

1. The current consumption from SRAM is similar.

2. Evaluated by characterization. Not tested in production.

STM32U545NET3QTR Datasheet(PDF) 144 Page - STMicroelectronics

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