STM32F072X8 datasheet(56/128 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F072x8 STM32F072xB

56/128

DocID025004 Rev 5

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

reduced code that gives a consumption equivalent to CoreMark code.

Typical and maximum current consumption

The MCU is placed under the following conditions:

•

All I/O pins are in analog input mode

•

All peripherals are disabled except when explicitly mentioned

•

The Flash memory access time is adjusted to the fHCLK frequency:

–

0 wait state and Prefetch OFF from 0 to 24 MHz

–

1 wait state and Prefetch ON above 24 MHz

•

When the peripherals are enabled fPCLK = fHCLK

The parameters given in Table 29 to Table 31 are derived from tests performed under

ambient temperature and supply voltage conditions summarized in Table 24: General

operating conditions

Table 29. Typical and maximum current consumption from VDD supply at VDD = 3.6 V

Conditions

fHCLK

All peripherals enabled(1)

All peripherals disabled

Unit

Typ

Max @ TA

(2)

Typ

Max @ TA

(2)

25 °C

85 °C

105 °C

25 °C

85 °C

105 °C

IDD

HSI48

48 MHz

24.3

26.9

27.2

27.9

13.1

14.8

14.9

15.5

HSE bypass,

PLL on

48 MHz

24.1

26.8

27.0

27.7

13.0

14.6

14.8

15.4

32 MHz

16.0

18.3

18.6

19.2

8.76

9.56

9.73

10.6

24 MHz

12.3

13.7

14.3

14.7

7.36

7.94

8.37

8.81

HSE bypass,

PLL off

8 MHz

4.52

5.25

5.28

5.61

2.89

3.17

3.26

3.34

1 MHz

1.25

1.39

1.58

1.87

0.93

1.06

1.15

1.34

HSI clock,

PLL on

48 MHz

24.1

27.1

27.6

27.8

12.9

14.7

14.9

15.5

32 MHz

16.1

18.2

18.9

19.3

8.82

9.69

9.83

10.7

24 MHz

12.4

14.0

14.4

14.8

7.31

7.92

8.34

8.75

HSI clock,

PLL off

8 MHz

4.52

5.25

5.35

5.61

2.87

3.16

3.25

3.33

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