STM32F078CB datasheet(73/120 Pages) STMICROELECTRONICS

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STM32F078CB, STM32F078RB, STM32F078VB

Electrical characteristics

6.3.13

I/O port characteristics

General input/output characteristics

Unless otherwise specified, the parameters given in Table 50 are derived from tests

performed under the conditions summarized in Table 23: General operating conditions. All

I/Os are designed as CMOS- and TTL-compliant (except BOOT0).

Table 49. I/O current injection susceptibility

Symbol

Description

Functional

susceptibility

Unit

Negative

injection

Positive

injection

IINJ

Injected current on BOOT0 and PF1 pins

–0

Injected current on PC0 pin

–0

Injected current on PA11 and PA12 pins with induced

leakage current on adjacent pins less than -1 mA

–5

Injected current on all other FT and FTf pins, and on POR

–5

Injected current on all other TTa, TC and RST pins

–5

Table 50. I/O static characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL

Low level input

voltage

TC and TTa I/O

0.3 VDDIOx+0.07(1)

FT and FTf I/O

0.475 VDDIOx–0.2(1)

BOOT0

0.3 VDDIOx–0.3(1)

All I/Os except

BOOT0 pin

0.3 VDDIOx

VIH

High level input

voltage

TC and TTa I/O

0.445 VDDIOx+0.398(1)

FT and FTf I/O

0.5 VDDIOx+0.2(1)

BOOT0

0.2 VDDIOx+0.95(1)

All I/Os except

BOOT0 pin

0.7 VDDIOx

Vhys

Schmitt trigger

hysteresis

TC and TTa I/O

200(1)

FT and FTf I/O

100(1)

BOOT0

300(1)

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