STM32F412REJ3P datasheet(88/201 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F412xE/G

88/201

DocID028087 Rev 7

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 if it is explicitly mentioned.

•

The Flash memory access time is adjusted to both fHCLK frequency and VDD ranges

(refer to Table 17: Features depending on the operating power supply range).

•

The voltage scaling is adjusted to fHCLK frequency as follows:

–

Scale 3 for fHCLK ≤ 64 MHz

–

Scale 2 for 64 MHz < fHCLK ≤ 84 MHz

–

Scale 1 for 84 MHz < fHCLK ≤ 100 MHz

•

The system clock is HCLK, fPCLK1 = fHCLK/2, and fPCLK2 = fHCLK.

•

External clock is 4 MHz and PLL is ON except if it is explicitly mentioned.

•

The maximum values are obtained for VDD = 3.6 V and a maximum ambient

temperature (TA), and the typical values for TA= 25 °C and VDD = 3.3 V unless

otherwise specified.

Table 22. Typical and maximum current consumption, code with data processing (ART

accelerator disabled) running from SRAM - VDD = 1.7 V

Symbol

Parameter

Conditions

fHCLK

(MHz)

Typ

Max(1)

Unit

TA=

25 °C

TA=

25 °C

TA=

85 °C

TA=

105 °C

TA=

125 °C

IDD

Supply

current in

Run mode

External clock,

PLL ON,

all peripherals

enabled(2)(3)

100

28.1

30.24

31.27

32.21

34.21

22.7

24.05

24.54

25.11

26.74

15.7

16.99

17.47

18.03

19.71

12.3

13.36

13.82

14.36

15.51

6.5

7.44

7.82

8.30

8.96

5.6

6.16

6.66

7.20

7.77

HSI, PLL off, all

peripherals

enabled(2)(3)

3.9

4.70

5.31

6.08

6.57

0.6

0.78

1.33

1.98

2.14

External clock,

PLL ON, all

peripherals

disabled(3)

100

14.0

15.48

16.08

16.83

18.51

11.3

12.23

12.75

13.41

16.09

7.9

8.84

9.31

10.01

11.61

6.2

7.06

7.53

8.19

9.50

3.4

4.18

4.61

5.13

5.95

2.9

3.44

3.98

4.65

5.39

HSI, PLL off,

all peripherals

disabled(3)

2.0

2.51

3.13

3.89

4.51

0.5

0.64

1.21

1.90

2.21

1. Based on characterization, not tested in production unless otherwise specified

2. When analog peripheral blocks such as ADC, HSE, LSE, HSI, or LSI are ON, an additional power consumption has to be

considered.

3. When the ADC is ON (ADON bit set in the ADC_CR2 register), add an additional power consumption of 1.6 mA for the

analog part.

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