HT66F4530 datasheet(3/224 Pages) HOLTEK

3 / 224 page

Rev. 1.00

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De�e��e� �1� �01�

Rev. 1.00

De�e��e� �1� �01�

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

Ta�le P�og�a� Exa�ple........................................................................................................ 35

In Ci��uit P�og�a��ing – ICP ............................................................................................... 3�

On Chip De�ug Suppo�t – OCDS ......................................................................................... 37

Data Memory .................................................................................................. 38

St�u�tu�e................................................................................................................................ 38

Data Me�o�y Add�essing...................................................................................................... 39

Gene�al Pu�pose Data Me�o�y ............................................................................................ 39

Spe�ial Pu�pose Data Me�o�y ............................................................................................. 39

Special Function Register Description........................................................ 43

Indi�e�t Add�essing Registe�s – IAR0� IAR1� IAR� ............................................................... 43

Me�o�y Pointe�s – MP0� MP1L� MP1H� MP�L� MP�H......................................................... 43

A��u�ulato� – ACC .............................................................................................................. 45

P�og�a� Counte� Low Registe� – PCL ................................................................................. 45

Look-up Ta�le Registe�s – TBLP� TBHP� TBLH .................................................................... 45

Status Registe� – STATUS ................................................................................................... 45

EEPROM Data Memory.................................................................................. 47

EEPROM Data Me�o�y St�u�tu�e ........................................................................................ 47

EEPROM Registe�s .............................................................................................................. 47

Reading Data f�o� the EEPROM ......................................................................................... 49

W�iting Data to the EEPROM................................................................................................ 49

W�ite P�ote�tion..................................................................................................................... 49

EEPROM Inte��upt ................................................................................................................ 49

P�og�a��ing Conside�ations................................................................................................ 50

Oscillators ...................................................................................................... 51

Os�illato� Ove�view ............................................................................................................... 51

System Clock Configurations................................................................................................ 51

Exte�nal C�ystal/Ce�a�i� Os�illato� – HXT ........................................................................... 5�

Inte�nal High Speed RC Os�illato� – HIRC ........................................................................... 53

Exte�nal 3�.7�8kHz C�ystal Os�illato� – LXT........................................................................ 53

Inte�nal 3�kHz Os�illato� – LIRC........................................................................................... 54

Operating Modes and System Clocks ......................................................... 54

Syste� Clo�ks ...................................................................................................................... 54

Syste� Ope�ation Modes...................................................................................................... 55

Cont�ol Registe�s .................................................................................................................. 5�

Ope�ating Mode Swit�hing.................................................................................................... 59

Stand�y Cu��ent Conside�ations........................................................................................... �3

Wake-up................................................................................................................................ �3

Watchdog Timer............................................................................................. 64

Wat�hdog Ti�e� Clo�k Sou��e.............................................................................................. �4

Wat�hdog Ti�e� Cont�ol Registe� ......................................................................................... �4

Wat�hdog Ti�e� Ope�ation ................................................................................................... �5

Reset and Initialisation.................................................................................. 66

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

Reset Initial Conditions ......................................................................................................... 70

HT66F4530 Datasheet(PDF) 3 Page - Holtek Semiconductor Inc

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