HT45F3630 datasheet(3/137 Pages) HOLTEK

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HT45F3630

Power Tool Controller 8-Bit Flash MCU

HT45F3630

Power Tool Controller 8-Bit Flash MCU

Special Function Register Description............................................................ 24

Indi�e�t Add�essing Registe�s – IAR0� IAR1� IAR� ....................................................................�4

�emo�y Pointe�s – �P0� �P1L� �P1H� �P�L� �P�H..............................................................�4

A��umulato� – ACC ...................................................................................................................�5

P�og�am Counte� Low Registe� – PCL ......................................................................................��

Look-up Table Registe�s – TBLP� TBHP� TBLH .........................................................................��

Status Registe� – STATUS ........................................................................................................��

EEPROM Data Memory...................................................................................... 28

EEPRO� Data �emo�y St�u�tu�e .............................................................................................�8

EEPRO� Registe�s ...................................................................................................................�8

Reading Data f�om t�e EEPRO� ..............................................................................................�0

W�iting Data to t�e EEPRO�.....................................................................................................�0

W�ite P�ote�tion..........................................................................................................................�0

EEPRO� Inte��upt .....................................................................................................................�0

P�og�amming Conside�ations.....................................................................................................�1

Oscillators .......................................................................................................... 32

Os�illato� Ove�view ...................................................................................................................��

System Clock Configurations.....................................................................................................��

Inte�nal RC Os�illato� – HIRC ....................................................................................................��

Inte�nal ��kHz Os�illato� – LIRC ...............................................................................................��

Operating Modes and System Clocks ............................................................. 33

System Clo�ks ...........................................................................................................................��

System Ope�ation �odes ..........................................................................................................�4

Cont�ol Registe� .........................................................................................................................��

Ope�ating �ode Swit��ing ........................................................................................................�7

Standby Cu��ent Conside�ations ...............................................................................................41

Wake-up ....................................................................................................................................41

Watchdog Timer................................................................................................. 42

Wat��dog Time� Clo�k Sou��e...................................................................................................4�

Wat��dog Time� Cont�ol Registe� ..............................................................................................4�

Wat��dog Time� Ope�ation ........................................................................................................4�

Reset and Initialisation ..................................................................................... 44

Reset Fun�tions .........................................................................................................................44

Reset Initial Conditions .............................................................................................................4�

Input/Output Ports ............................................................................................ 49

Pull-�ig� Resisto�s .....................................................................................................................49

Po�t A Wake-up ..........................................................................................................................50

I/O Po�t Cont�ol Registe�s..........................................................................................................50

I/O Po�t Sou��e Cu��ent Cont�ol.................................................................................................51

Pin-s�a�ed Fun�tions .................................................................................................................5�

I/O Pin St�u�tu�es.......................................................................................................................54

P�og�amming Conside�ations ....................................................................................................55

HT45F3630 Datasheet(PDF) 3 Page - Holtek Semiconductor Inc

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