STM32F031X4 datasheet(44/106 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F031x4 STM32F031x6

44/106

DocID025743 Rev 6

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 23Table 23 to Table 27 are derived from tests performed

under ambient temperature and supply voltage conditions summarized in Table 18: General

operating conditions.

Table 23. Typical and maximum current consumption from VDD at 3.6 V

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

25 °C 85 °C 105 °C

IDD

Supply

current in

Run mode,

code

executing

from Flash

memory

HSE

bypass,

PLL on

48 MHz 18.4

20.0

20.1

20.4

11.4

12.5

12.6

32 MHz 12.4

13.2

13.8

7.9

8.3

8.5

8.6

24 MHz 9.9

10.7

11.0

6.2

6.8

7.0

HSE

bypass,

PLL off

8 MHz

3.3

3.6

3.8

3.9

2.2

2.6

1 MHz

0.8

1.1

0.7

0.9

HSI clock,

PLL on

48 MHz 18.9

20.9

21.1

21.5

11.7

12.3

12.9

13.1

32 MHz 12.8

13.7

14.2

14.8

8.0

8.7

9.1

24 MHz 9.7

10.4

11.2

11.3

6.1

6.5

6.7

6.9

HSI clock,

PLL off

8 MHz

3.5

4.0

4.1

2.4

2.6

2.7

Supply

current in

Run mode,

code

executing

from RAM

HSE

bypass,

PLL on

48 MHz 17.3 19.7(2)

19.8

20.0(2) 10.3 11.2(2)

11.3

11.7(2)

32 MHz 11.2

12.5

12.7

6.7

7.3

7.6

24 MHz 8.9

10.0

10.1

10.2

5.1

5.5

5.8

5.9

HSE

bypass,

PLL off

8 MHz

2.8

3.1

3.3

3.4

1.7

2.0

2.1

1 MHz

0.3

0.6

1.3

0.2

0.5

0.8

0.9

HSI clock,

PLL on

48 MHz 17.4

19.7

20.0

20.2

10.4

11.2

11.3

11.8

32 MHz 11.8

12.8

13.1

13.3

6.8

7.4

7.7

7.9

24 MHz 9.0

10.0

10.1

10.2

5.2

5.7

6.0

HSI clock,

PLL off

8 MHz

3.0

3.2

3.5

3.6

1.8

2.0

2.2

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