HT45F4630 datasheet(3/153 Pages) HOLTEK

3 / 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

�ccumu�ato� – �CC............................................................................................................... �9

P�og�am Counte� Low Registe� – PCL ................................................................................. �9

Look-u� Tab�e Registe�s – TBLP� TBHP� TBLH .................................................................... �9

Status Registe� – ST�TUS.................................................................................................... 30

EEPROM Data memory ................................................................................. 32

EEPROM Data Memo�y St�uctu�e ........................................................................................ 3�

EEPROM Registe�s .............................................................................................................. 3�

Reading Data f�om the EEPROM ......................................................................................... 34

W�iting Data to the EEPROM................................................................................................ 34

W�ite P�otection..................................................................................................................... 34

EEPROM Inte��u�t ................................................................................................................ 34

P�og�amming Conside�ations................................................................................................ 35

Oscillators ...................................................................................................... 36

Osci��ato� Ove�view ............................................................................................................... 3�

System Clock Configurations................................................................................................ 3�

Exte�na� C�ysta�/Ce�amic Osci��ato� – HXT .......................................................................... 37

Inte�na� RC Osci��ato� – HIRC ............................................................................................... 38

Exte�na� 3�.7�8kHz C�ysta� Osci��ato� – LXT........................................................................ 39

Inte�na� 3�kHz Osci��ato� – LIRC........................................................................................... 40

Operating Modes and System Clocks ......................................................... 40

System C�ocks ...................................................................................................................... 40

System O�e�ation Modes...................................................................................................... 41

Cont�o� Registe� .................................................................................................................... 43

Fast Wake-u�........................................................................................................................ 44

O�e�ating Mode Switching.................................................................................................... 45

Standby Cu��ent Conside�ations .......................................................................................... 49

Wake-u�................................................................................................................................ 49

P�og�amming Conside�ations................................................................................................ 50

Watchdog Timer............................................................................................. 51

Watchdog Time� C�ock Sou�ce.............................................................................................. 51

Watchdog Time� Cont�o� Registe� ......................................................................................... 51

Watchdog Time� O�e�ation ................................................................................................... 5�

Reset and Initialisation.................................................................................. 54

Reset Functions .................................................................................................................... 54

Reset Initia� Conditions ......................................................................................................... 5�

Input/Output Ports......................................................................................... 60

Pu��-high Resisto�s ................................................................................................................ �0

Po�t � Wake-u� ..................................................................................................................... �1

I/O Po�t Cont�o� Registe�s..................................................................................................... �1

Pin-sha�ed Functions ............................................................................................................ ��

I/O Pin St�uctu�es.................................................................................................................. �5

P�og�amming Conside�ations ............................................................................................... �5

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