STM32MP151AAB3T datasheet(161/245 Pages) STMICROELECTRONICS

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DS12500 Rev 1

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STM32MP151A

Electrical characteristics

228

6.3.16

I/O port characteristics

General input/output characteristics

Unless otherwise specified, the parameters given in Table 48: I/O static characteristics are

derived from tests performed under the conditions summarized in Table 13: General

operating conditions. All I/Os are CMOS and TTL compliant.

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

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

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).

Table 48. I/O static characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VIL(1)

I/O input low level voltage

1.71 V < VDD < 2.7 V

0.35 × VDD

2.7 V < VDD < 3.6 V

0.3 × VDD

1.71 V < VDD < 3.6 V

TBD

VIH(1)

I/O input high level voltage

1.71 V < VDD < 3.6 V

0.7xVDD

1.71 V < VDD < 3.6 V

TBD

VHYS(1)

TT_xx, FT_xxx and NRST I/O

input hysteresis

1.71 V < VDD < 3.6 V

0.1 ×

VDD

-mV

Ileak

FT_xx input leakage current(1)

0 < VIN ≤ Max(VDD)(6)

TBD

Max(VDD) < VIN ≤ 5.5 V

(6)(2)(3)

TBD

FT_u, IO

0 < VIN ≤ Max(VDD)(6)

±TBD

Max(VDD) < VIN ≤ 5.5 V

(6)(3)

TBD(4)

TT_xx input leakage current

0 < VIN ≤ Max(VDD) (6)

±TBD

Max(VDD) ≤ VIN < 3.6 V (6)

TBD

RPU

Weak pull-up equivalent

resistor(5)

VIN=VSS

kΩ

RPD

Weak pull-down equivalent

resistor(5)

VIN=VDD(6)

CIO

I/O pin capacitance

1. Guaranteed by design.

2. All FT_xx IO except FT_uf, FT_u.

3. VIN must be less than Max(VDD) + 3.6 V.

4. To sustain a voltage higher than MIN(VDD, VDDA, VDD3V3_USBxxx) +0.3 V, the internal pull-up and pull-down resistors must

be disabled.

5. The 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).

6. Max(VDD) is the maximum value of all the I/O supplies.

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