GD32H757ZMT7 datasheet(101/151 Pages) GIGADEVICE

Part #	GD32H757ZMT7

Description	Arm® Cortex®-M7 32-bit MCU

PDF	151 Pages

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Manufacturer	GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]

Direct Link	http://www.gigadevice.com/

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101 / 151 page

GD32H757xx Datasheet

100

Table 4-20. High speed internal clock (IRC64M) characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fIRC64M

High Speed Internal

Oscillator (IRC64M)

frequency

VDD = 3.3 V

—

MHz

DriftIRC64M

IRC64M oscillator

Frequency drift, Factory-

trimmed

VDD = VDDA = 3.3 V,

TJ = -40 °C ~ +85 °C for

grade 6 devices (1)

—

-0.19

+0.85

—

VDD = VDDA = 3.3 V,

TJ = -40 °C ~ +105 °C for

grade 7 devices (1)

—

-0.27

+0.85

—

VDD = VDDA = 3.3 V,

TJ = 25 °C

63.68

—

64.32 MHz

IRC64M oscillator

Frequency accuracy,

User trimming step(1)

—

0.23

—

DutyIRC64M(2)

IRC64M oscillator duty

cycle

VDD = VDDA = 3.3 V

IDDA(IRC64M)(1)

IRC64M oscillator

operating current

—

500

—

μA

tST(IRC64M)(1)

IRC64M oscillator startup

time

—

1.95

—

μs

(1)

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

(2)

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

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