STM32F411RET6 datasheet(98/149 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F411xC STM32F411xE

98/149

DocID026289 Rev 6

All I/Os are CMOS and TTL compliant (no software configuration required). Their

characteristics cover more than the strict CMOS-technology or TTL parameters. The

coverage of these requirements for FT and TC I/Os is shown in Figure 30.

RPU

Weak pull-up

equivalent

resistor(6)

All pins

except for

PA10

(OTG_FS_ID)

VIN = VSS

PA10

(OTG_FS_ID)

-7

RPD

Weak pull-down

equivalent

resistor(7)

All pins

except for

PA10

(OTG_FS_ID)

VIN = VDD

PA10

(OTG_FS_ID)

-7

CIO(8) I/O pin capacitance

1. Guaranteed by test in production.

2. Guaranteed by design.

3. With a minimum of 200 mV.

4. Leakage could be higher than the maximum value, if negative current is injected on adjacent pins, Refer to Table 52: I/O

current injection susceptibility

5. To sustain a voltage higher than VDD +0.3 V, the internal pull-up/pull-down resistors must be disabled. Leakage could be

higher than the maximum value, if negative current is injected on adjacent pins.Refer to Table 52: I/O current injection

susceptibility

6. Pull-up resistors are designed with a true resistance in series with a switchable PMOS. This PMOS contribution to the

series resistance is minimum (~10% order).

7. Pull-down resistors are designed with a true resistance in series with a switchable NMOS. This NMOS contribution to the

series resistance is minimum (~10% order).

Hysteresis voltage between Schmitt trigger switching levels. Guaranteed by characterization results.

Table 53. I/O static characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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