HT45F4630 datasheet(13/153 Pages) HOLTEK

13 / 153 page

Rev. 1.00

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Rev. 1.00

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HT45F4630

DC Motor Driver ASSP MCU

HT45F4630

DC Motor Driver ASSP MCU

A.C. Characteristics

Ta= -40°C~85°C, unless otherwise specified

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

fSYS

System C�ock

4.5V~5.5V

—

3�

—

1�000 kHz

fHIRC

High S�eed Inte�na� RC

Osci��ato� (HIRC)

—

Ta= -40°C~85°C

-1�%

+4%

MHz

Ta= -�0°C~85°C

-9%

+4%

Ta=�5°C

-�%

+�%

Ta= -40°C~85°C

-1�% 1�

+4%

Ta= -�0°C~85°C

-9%

1�

+4%

Ta=�5°C

-�%

1�

+�%

Ta= -40°C~85°C

-1�% 1�

+4%

Ta= -�0°C~85°C

-9%

1�

+4%

Ta=�5°C

-�%

1�

+�%

fHXT

High S�eed Exte�na� C�ysta�

Osci��ato� (HXT)

3V~5.5V

—

0.4

—

MHz

4.5V~5.5V

—

0.4

—

4.5V~5.5V

—

0.4

—

1�

4.5V~5.5V

—

0.4

—

1�

tRSTD

System Reset De�ay Time

(Powe� On Reset)

—

�5

100

System Reset De�ay Time

(�ny Reset exce�t Powe� On

Reset)

�.�V~5.5V

—

8.3

1�.7 33.3

tSST

System Sta�t-u� Time� Pe�iod

(Wake-u� f�om Powe� Down

Mode and fSYS Off)

—

fSYS=fLXT

10�4

—

tLXT

—

fSYS=fHXT ~ fHXT / �4

1�8

—

tHXT

—

fSYS=fHIRC ~ fHIRC / �4

1�

—

tHIRC

—

fSYS=fLIRC

�

—

tLIRC

System Sta�t-u� Time� Pe�iod

(Slow Mode ↔ Normal Mode,

o� fH=fHIRC ↔ fHXT�

o� fSUB=fLIRC ↔ fLXT)

—

fHXT off → on (HTO=1)

10�4

—

tHXT

—

fHIRC off → on (HTO=1)

1�

—

tHIRC

—

fLXT off → on (LTO=1)

10�4

—

tLXT

System Sta�t-u� Time� Pe�iod

(Wake-u� f�om Powe� Down

Mode and fSYS On)

—

fSYS=fH~fH/�4�

fH=fHXT o� fHIRC

�

—

fSYS=fLXT o� fLIRC

�

—

tSUB

System Sta�t-u� Time� Pe�iod

(WDT Time-out Ha�dwa�e

Co�d Reset)

—

tEERD

EEPROM Read Time

—

μs

tEEWR

EEPROM W�ite Time

—

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