HT32F22366 datasheet(39/56 Pages) HOLTEK

39 / 56 page

Rev. 1.00

39 of 56

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3�-Bit A��® Co�tex®-M3 MCU

HT3�F1�365/HT3�F1�366/HT3�F��366

USB PLL Characteristics

Table 16. USB PLL Characteristics

TA = �5 °C, unless otherwise specified.

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

fPLLI�

PLL input clock

—

MHz

fCK_PLL

PLL output clock

—

MHz

tLOCK

PLL lock ti�e

—

�00

—

μs

Memory Characteristics

Table 17. Flash Memory Characteristics

TA = �5 °C, unless otherwise specified.

Symbol

Parameter

Conditions

Min. Typ. Max.

Unit

�E�DU

�u��e� of gua�anteed p�og�a�/

e�ase cycles �efo�e failu�e

(Endu�ance)

TA = -40 °C ~ 85 °C

—

K cycles

TRET

Data �etention ti�e

TA = -40 °C ~ 85 °C

—

Yea�s

tPROG

Wo�d p�og�a��ing ti�e

TA = -40 °C ~ 85 °C

�0

—

μs

tERASE

Page e�ase ti�e

TA = -40 °C ~ 85 °C

�

—

�s

tMERASE

Mass e�ase ti�e

TA = -40 °C ~ 85 °C

—

�s

I/O Port Characteristics

Table 18. I/O Port Characteristics

TA = �5 °C, unless otherwise specified.

Symbol

Parameter

Conditions

Min.

Typ.

Max. Unit

IIL

Low level input

cu��ent

3.3 V I/O

VI = VSS� On-chip pull-

up �esiste� disa�led

—

μA

Reset

—

μA

IIH

High level input

cu��ent

3.3 V I/O

VI = VDD� On-chip pull-

down �esiste� disa�led

—

μA

Reset

—

μA

VIL

Low level input

voltage

3.3 V I/O

-0.5

—

0.35 VDD

Reset pin

-0.5

—

0.35 VDD

VIH

High level input

voltage

3.3 V I/O

0.65 VDD

—

VDD + 0.5

Reset pin

0.65 VDD

—

VDD + 0.5

VHYS

Sch�itt t�igge�

input voltage

hyste�esis

3.3 V I/O

—

0.1� VDD

—

�V

Reset pin

—

0.1� VDD

—

�V

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