STM32F058C8 datasheet(67/104 Pages) STMICROELECTRONICS

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STM32F058C8 STM32F058R8 STM32F058T8

Electrical characteristics

Output driving current

The GPIOs (general purpose input/outputs) can sink or source up to +/-8 mA, and sink or

source up to +/- 20 mA (with a relaxed VOL/VOH).

In the user application, the number of I/O pins which can drive current must be limited to

respect the absolute maximum rating specified in Section 6.2:

•

The sum of the currents sourced by all the I/Os on VDDIOx, plus the maximum

consumption of the MCU sourced on VDD, cannot exceed the absolute maximum rating

ΣIVDD (see Table 16: Voltage characteristics).

•

The sum of the currents sunk by all the I/Os on VSS, plus the maximum consumption of

the MCU sunk on VSS, cannot exceed the absolute maximum rating ΣIVSS (see

Table 16: Voltage characteristics).

Output voltage levels

Unless otherwise specified, the parameters given in the table below are derived from tests

performed under the ambient temperature and supply voltage conditions summarized in

Table 19: General operating conditions. All I/Os are CMOS- and TTL-compliant (FT, TTa or

TC unless otherwise specified).

Table 46. Output voltage characteristics(1)

Symbol

Parameter

Conditions

Min

Max

Unit

VOL(2)

Output low level voltage for an I/O pin

|IIO| = 4 mA

-0.4

VOH(2)

Output high level voltage for an I/O pin

VDDIOx–0.4

VOLFm+(3)

Output low level voltage for an FTf I/O pin in

Fm+ mode

|IIO| = 10 mA

0.4

1. The IIO current sourced or sunk by the device must always respect the absolute maximum rating specified in Table 16:

Voltage characteristics, and the sum of the currents sourced or sunk by all the I/Os (I/O ports and control pins) must always

respect the absolute maximum ratings

ΣIIO.

2. Data based on characterization results. Not tested in production.

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

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