STM32U5A5QJ datasheet(263/382 Pages) STMICROELECTRONICS

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DS13543 Rev 1

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STM32U5Axxx

Electrical characteristics

348

The characterization results are given in the table below. The negative induced leakage

current is caused by the negative injection.The positive induced leakage current is caused

by the positive injection.

5.3.14

I/O port characteristics

General input/output characteristics

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

performed under the conditions summarized in Table 33. All I/Os are designed as

CMOS -and TTL-compliant.

Note:

For information on GPIO configuration, refer to the application note ‘STM32 GPIO

configuration for hardware settings and low-power consumption’ (AN4899).

Table 85. I/O current injection susceptibility(1)(2)

Symbol

Description

Functional

susceptibility

Unit

Negative

injection

Positive

injection

IINJ

Injected current on all pins except TT_a, PA4, PA5, DSI_DN_DL1,

DSI_DP_DL1, DSI_DN_CL1, DSI_DP_CL1, DSI_DN_DL2, DSI_DP_DL2,

OPAMP1_VINM, OPAMP2_VINM, PA11, PA12, PE11, PE12, PE7,PB14,

PB5, PA1

5NA

Injected current on TT_a, PA4, PA5, DSI_DN_DL1, DSI_DP_DL1,

DSI_DN_CL1, DSI_DP_CL1, DSI_DN_DL2, DSI_DP_DL2,

OPAMP1_VINM, OPAMP2_VINM, PA11, PA12 pins

Injected current on PE11, PE12, PE7 pins

Injected current on PB14, PB5, PA1 pins

1. Evaluated by characterization. Not tested in production.

2. The I/O structure options listed in this table can be a concatenation of options including the option explicitly listed. For

instance TT_a refers to any TT I/O with _a option. TT_xx refers to any TT I/O and FT_xx refers to any FT I/O.

Table 86. I/O static characteristics(1)

Parameter

Conditions

Min

Typ

Max

VIL(2)

I/O input

low-level

voltage

1.08 V ≤ VDDIOx ≤ 3.6 V

0.3 VDDIOx

All I/Os except FT_c

0.38 VDDIOx(3)

FT_c I/Os

0.3 VDDIOx

VIH

(2)

I/O input

high-level

voltage

1.08 V ≤ VDDIOx ≤ 3.6 V

0.7 VDDIOx

All I/Os except FT_c

0.5 VDDIOx

+ 0.2(3)

FT_c I/Os

0.7 VDDIOx

Vhys

(3)

Input

hysteresis

TT_xx, FT_xx I/Os

250

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