STM32F303XD datasheet(75/173 Pages) STMICROELECTRONICS

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STM32F303xD STM32F303xE

Electrical characteristics

151

All Run-mode current consumption measurements given in this section are performed with a

reduced code that gives a consumption equivalent to CoreMark code.

Note:

The total current consumption is the sum of IDD and IDDA.

Typical and maximum current consumption

The MCU is placed under the following conditions:

•

All I/O pins are in input mode with a static value at VDD or VSS (no load)

•

All peripherals are disabled except when explicitly mentioned

•

The Flash memory access time is adjusted to the fHCLK frequency (0 wait state from 0

to 24 MHz,1 wait state from 24 to 48 MHz and 2 wait states from 48 to 72 MHz)

•

Prefetch in ON (reminder: this bit must be set before clock setting and bus prescaling)

•

When the peripherals are enabled fPCLK2 = fHCLK and fPCLK1 = fHCLK/2

•

When fHCLK > 8 MHz, the PLL is ON and the PLL input is equal to HSI/2 (4 MHz) or

HSE (8 MHz) in bypass mode.

The parameters given in Table 25 to Table 29 are derived from tests performed under

ambient temperature and supply voltage conditions summarized in Table 19.

Table 25. Typical and maximum current consumption from VDD supply at VDD = 3.6V

Symbol Parameter Conditions

fHCLK

All peripherals enabled

All peripherals disabled

Unit

Typ

Max @ TA(1)

Typ

Max @ TA(1)

25 °C 85 °C 105 °C

IDD

Supply

current in

Run mode,

executing

from Flash

External

clock (HSE

bypass)

72 MHz 66.4

76.5

76.9

77.4

33.0

37.2

38.1

38.9

64 MHz 59.8

66.4

67.7

68.6

29.7

33.5

34.3

35.0

48 MHz 47.3

53.7

53.8

55.1

23.2

26.2

27.1

28.0

32 MHz 33.3

36.8

37.4

38.5

16.8

19.8

20.6

21.4

24 MHz 26.0

29.4

30.0

31.2

13.5

16.6

17.4

18.6

8 MHz

10.7

13.8

14.4

15.3

6.63

10.2

10.5

11.2

1 MHz

4.27

7.47

8.13

8.90

3.78

7.40

7.70

8.50

Internal

clock (HSI)

64 MHz 55.6

59.6

62.8

63.2

29.4

33.1

34.5

35.0

48 MHz 43.6

47.0

49.2

50.1

23.1

26.2

27.1

28.0

32 MHz 30.8

33.6

35.3

35.8

16.7

19.8

20.6

21.5

24 MHz 24.0

28.0

28.2

29.7

13.5

16.5

17.5

18.4

8 MHz

10.5

13.6

14.7

15.2

6.63

9.74

10.6

11.2

IDD

Supply

current in

Run mode,

executing

from RAM

External

clock (HSE

bypass)

72 MHz 66.2 76.2(2) 76.7

77.2(2) 32.8 36.9(2)

37.7

38.5(2)

64 MHz 59.6

66.2

67.6

68.4

29.3

33.1

33.9

34.4

48 MHz 47.0

53.4

53.6

54.9

22.4

25.6

26.2

27.2

32 MHz 33.0

36.6

37.2

38.1

16.0

19.0

19.5

20.4

24 MHz 25.6

29.0

29.5

30.6

12.8

15.7

16.3

17.6

8 MHz 10.3

13.4

13.8

14.7

6.40

9.48

9.93

10.90

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