GD32H757ZMT7 datasheet(105/151 Pages) GIGADEVICE

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GD32H757xx Datasheet

104

VIL(NRST)(2)

NRST Input low level voltage

VDD = VDDA = 3.6 V

-0.3

—

0.3 VDD

VIH(NRST)(2)

NRST Input high level voltage

0.7 VDD —

VDD + 0.3

Vhyst(1)

Schmidt trigger Voltage hysteresis

—

320

—

Rpu(2)

Pull-up equivalent resistor

—

kΩ

(1)

Value guaranteed by characterization, not 100% tested in production.

(2)

Value guaranteed by design, not 100% tested in production.

Figure 4-6. Recommended external NRST pin circuit

NRST

VDD

Ext ernal reset circuit

RPU

10 k

VDD

GND

100 nF

4.12.

GPIO characteristics

Table 4-28. I/O static characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL(1)

I/O input low level voltage

1.71 V < VDD < 3.6 V

—

0.3VDD

VIH(1)

I/O input high level voltage

1.71 V <VDD < 3.6 V

0.7VDD

—

VHYS(1)

input hysteresis

VDD =3.3 V

—

360

—

Ileak

Input leakage current

0 < VIN ≤ VDD

—

μA

RPU(1)

Weak pull-up equivalent

resistor

VIN = VSS

—

kΩ

RPD(1)

Weak pull-down equivalent

resistor

VIN = VDD

—

kΩ

(1)

Value guaranteed by design, not 100% tested in production.

Table 4-29. Output voltage characteristics for all I/Os except PC13, PC14, PC15(1)(2)

Symbol

Parameter

Conditions

Min

Typ

Max Unit

VOL

(IO_speed=max)

Low level output

voltage for an IO Pin

(IIO = +8 mA)

VDD = 1.71 V

—

0.094

—

VDD = 3.3 V

—

0.058

—

VDD = 3.6 V

—

0.057

—

Low level output

voltage for an IO Pin

(IIO = +20 mA)

VDD = 1.71 V

—

0.253

—

VDD = 3.3 V

—

0.15

—

VDD = 3.6 V

—

0.147

—

VOH

(IO_speed=max)

High level output

voltage for an IO Pin

VDD = 1.71 V

—

1.6

—

VDD = 3.3 V

—

3.226

—

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