STM32U545NET3QTR datasheet(148/283 Pages) STMICROELECTRONICS

148 / 283 page

IDD

(Run)

Supply

current in

Run mode

fHCLK = fPLL = 160 MHz,

PLL on HSE 16 MHz in bypass

mode,

all peripherals disabled,

Flash bank 2 in power down,

all SRAMs enabled

Range 1

Reduced Code

10.00

7.35

6.95

62.50

45.94

43.44

µA/

MHz

CoreMark

10.00

7.30

6.90

62.50

45.63

43.13

SecureMark

11.00

7.95

7.45

68.75

49.69

46.56

Dhrystone 2.1

10.50

7.70

7.30

65.63

48.13

45.63

Fibonacci

8.05

5.90

5.55

50.31

36.88

34.69

while

7.55

5.55

5.25

47.19

34.69

32.81

fHCLK = fPLL = 110 MHz,

PLL on HSE 16 MHz in bypass

mode,

all peripherals disabled,

Flash bank 2 in power down,

all SRAMs enabled

Range 2

Reduced Code

6.00

4.50

4.30

54.55

40.91

39.09

CoreMark

5.95

4.45

4.25

54.09

40.45

38.64

SecureMark

6.50

4.90

4.65

59.09

44.55

42.27

Dhrystone 2.1

6.30

4.70

4.50

57.27

42.73

40.91

Fibonacci

4.80

3.65

3.50

43.64

33.18

31.82

while

4.55

3.45

3.30

41.36

31.36

30.00

fHCLK = fHSE = 55 MHz,

all peripherals disabled,

Flash bank 2 in power down,

all SRAMs enabled

Range 3

Reduced Code

2.75

2.20

2.10

50.00

40.00

38.18

CoreMark

2.70

2.15

2.10

49.09

39.09

38.18

SecureMark

2.95

2.35

2.25

53.64

42.73

40.91

Dhrystone 2.1

2.85

2.25

2.20

51.82

40.91

40.00

Fibonacci

2.15

1.75

1.70

39.09

31.82

30.91

while

2.00

1.65

1.60

36.36

30.00

29.09

1. The current consumption from SRAM is similar.

Table 43. Typical current consumption in Run mode on SMPS, with different codes

running from flash memory, ICACHE ON (1-way), prefetch ON(1) (continued)

Parameter

Conditions

Typ

Unit

Typ

Unit

Voltage

scaling

Code

1.8 V

3 V

3.3 V

1.8 V

3 V

3.3 V

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