Electrical characteristics
STM32F302xB STM32F302xC
Table 53. I/O current injection susceptibility
Symbol
Description
Functional susceptibility
Negative
injection
Positive Unit
injection
Injected current on BOOT0
–0
NA
Injected current on PC0, PC1, PC2, PC3, PF2, PA0,
PA1, PA2, PA3, PF4, PA4, PA5, PA6, PA7, PC4, PC5,
PB2 with induced leakage current on other pins from this
–5
-
group less than -50 µA
Injected current on PB0, PB1, PE7, PE8, PE9, PE10,
PE11, PE12, PE13, PE14, PE15, PB12, PB13, PB14,
PB15, PD8, PD9, PD10, PD11, PD12, PD13, PD14 with
–5
induced leakage current on other pins from this group
IINJ less than -50 µA
Injected current on PC0, PC1, PC2, PC3, PF2, PA0,
PA1, PA2, PA3, PF4, PA4, PA5, PA6, PA7, PC4, PC5,
PB2, PB0, PB1, PE7, PE8, PE9, PE10, PE11, PE12,
PE13, PE14, PE15, PB12, PB13, PB14, PB15, PD8,
-
PD9, PD10, PD11, PD12, PD13, PD14 with induced
leakage current on other pins from this group less than
400 µA
-
mA
+5
Injected current on any other FT and FTf pins
–5
NA
Injected current on any other pins
–5
+5
Note:
It is recommended to add a Schottky diode (pin to ground) to analog pins which may
potentially inject negative currents.
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