Datasheet

DocID028087 Rev 4 95/193
STM32F412xE/G Electrical characteristics
161
pin circuitry and to charge/discharge the capacitive load (internal or external) connected to
the pin:
where
I
SW
is the current sunk by a switching I/O to charge/discharge the capacitive load
V
DD
is the MCU supply voltage
f
SW
is the I/O switching frequency
C is the total capacitance seen by the I/O pin: C = C
INT
+ C
EXT
The test pin is configured in push-pull output mode and is toggled by software at a fixed
frequency.
I
SW
V
DD
f
SW
C××=
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