
Electrical characteristics
STM32F050xx
Table 27. Switching output I/O current consumption
Symbol
Parameter
Conditions(1)
I/O toggling
frequency (fSW)
Typ
Unit
4 MHz
0.07
VDD = 3.3 V
C =CINT
VDD = 3.3 V
CEXT = 0 pF
C = CINT + CEXT+ CS
VDD = 3.3 V
CEXT = 10 pF
C = CINT + CEXT+ CS
ISW
I/O current
consumption
VDD = 3.3 V
CEXT = 22 pF
C = CINT + CEXT+ CS
1. CS = 7 pF (estimated value).
VDD = 3.3 V
CEXT = 33 pF
C = CINT + CEXT+ CS
VDD = 3.3 V
CEXT = 47 pF
C = CINT + CEXT+ CS
C = Cint
VDD = 2.4 V
CEXT = 47 pF
C = CINT + CEXT+ CS
C = Cint
8 MHz
16 MHz
24 MHz
48 MHz
4 MHz
8 MHz
16 MHz
24 MHz
48 MHz
4 MHz
8 MHz
16 MHz
24 MHz
48 MHz
4 MHz
8 MHz
16 MHz
24 MHz
4 MHz
8 MHz
16 MHz
24 MHz
4 MHz
8 MHz
16 MHz
4 MHz
8 MHz
16 MHz
24 MHz
0.15
0.31
0.53
0.92
0.18
0.37
0.76
1.39
2.188
0.32
0.64
1.25
2.23
4.442
mA
0.49
0.94
2.38
3.99
0.64
1.25
3.24
5.02
0.81
1.7
3.67
0.66
1.43
2.45
4.97
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