STM32F042F4 datasheet(57/117 Pages) STMICROELECTRONICS

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STM32F042x4 STM32F042x6

Electrical characteristics

Table 31. Switching output I/O current consumption

Symbol

Parameter

Conditions(1)

1. CS = 7 pF (estimated value).

I/O toggling

frequency (fSW)

Typ

Unit

ISW

I/O current

consumption

VDDIOx = 3.3 V

C =CINT

4 MHz

0.07

8 MHz

0.15

16 MHz

0.31

24 MHz

0.53

48 MHz

0.92

VDDIOx = 3.3 V

CEXT = 0 pF

C = CINT + CEXT+ CS

4 MHz

0.18

8 MHz

0.37

16 MHz

0.76

24 MHz

1.39

48 MHz

2.188

VDDIOx = 3.3 V

CEXT = 10 pF

C = CINT + CEXT+ CS

4 MHz

0.32

8 MHz

0.64

16 MHz

1.25

24 MHz

2.23

48 MHz

4.442

VDDIOx = 3.3 V

CEXT = 22 pF

C = CINT + CEXT+ CS

4 MHz

0.49

8 MHz

0.94

16 MHz

2.38

24 MHz

3.99

VDDIOx = 3.3 V

CEXT = 33 pF

C = CINT + CEXT+ CS

4 MHz

0.64

8 MHz

1.25

16 MHz

3.24

24 MHz

5.02

VDDIOx = 3.3 V

CEXT = 47 pF

C = CINT + CEXT+ CS

C = Cint

4 MHz

0.81

8 MHz

1.7

16 MHz

3.67

VDDIOx = 2.4 V

CEXT = 47 pF

C = CINT + CEXT+ CS

C = Cint

4 MHz

0.66

8 MHz

1.43

16 MHz

2.45

24 MHz

4.97

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