STM32F051C6U7 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F051C6U7

ARM®-based 32-bit MCU, 16 to 64 KB Flash, 11 timers, ADC, DAC and communication interfaces, 2.0-3.6 V

STMicroelectronics 

STM32F051x4 STM32F051x6 STM32F051x8

Electrical characteristics

Table 48. I/O static characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

TC, FT and FTf I/O

TTa in digital mode

-

-

VSS ≤ VIN ≤ VDDIOx

Ilkg

Input leakage

current(2)

TTa in digital mode

VDDIOx ≤ VIN ≤ VDDA

-

-

TTa in analog mode

VSS ≤ VIN ≤ VDDA

-

-

FT and FTf I/O

VDDIOx ≤ VIN ≤ 5 V

-

-

Weak pull-up

RPU

equivalent resistor

(3)

VIN = VSS

25

40

Max

Unit

± 0.1

1

µA

± 0.2

10

55

kΩ

Weak pull-down

RPD

equivalent

resistor(3)

VIN = - VDDIOx

25

40

55

kΩ

CIO I/O pin capacitance

-

-

5

-

pF

1. Data based on design simulation only. Not tested in production.

2. The leakage could be higher than the maximum value, if negative current is injected on adjacent pins. Refer to Table 47:

I/O current injection susceptibility.

3. Pull-up and pull-down resistors are designed with a true resistance in series with a switchable PMOS/NMOS. This

PMOS/NMOS contribution to the series resistance is minimal (~10% order).

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 is shown in Figure 21 for standard I/Os, and in Figure 22 for

5 V-tolerant I/Os. The following curves are design simulation results, not tested in

production.

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