HT67F86A datasheet(3/213 Pages) HOLTEK

3 / 213 page

Rev. 1.10

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HT67F86A

TinyPowerTM A/D Flash MCU with LCD

HT67F86A

TinyPowerTM A/D Flash MCU with LCD

Data Memory ...................................................................................................... 41

St�u�tu�e.....................................................................................................................................41

Data Memo�y Add�essing...........................................................................................................4�

Gene�al Pu�pose Data Memo�y .................................................................................................4�

Spe�ial Pu�pose Data Memo�y ..................................................................................................4�

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

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

Memo�y Pointe�s – MP0� MP1H/MP1L� MP�H/MP�L................................................................43

P�og�am Memo�y Bank Pointe� – PBP.......................................................................................45

A��umulato� – ACC....................................................................................................................45

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

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

Status Registe� – STATUS.........................................................................................................46

EEPROM Data Memory...................................................................................... 48

EEPR�M Data Memo�y St�u�tu�e .............................................................................................48

EEPR�M Registe�s ...................................................................................................................48

Reading Data f�om the EEPR�M ..............................................................................................50

W�iting Data to the EEPR�M.....................................................................................................50

W�ite P�ote�tion..........................................................................................................................50

EEPR�M Inte��upt .....................................................................................................................50

P�og�amming Conside�ations.....................................................................................................51

Oscillators .......................................................................................................... 52

�s�illato� �ve�view ....................................................................................................................5�

System Clock Configurations.....................................................................................................5�

Exte�nal C�ystal/Ce�ami� �s�illato� – HXT ................................................................................53

Inte�nal High Speed RC �s�illato� – HIRC ................................................................................54

Exte�nal 3�.�68 kHz C�ystal �s�illato� – LXT............................................................................54

Operating Modes and System Clocks ............................................................. 55

System Clo�ks ...........................................................................................................................55

System �pe�ation Modes...........................................................................................................56

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

�pe�ating Mode Swit�hing.........................................................................................................60

Stand�y Cu��ent Conside�ations................................................................................................64

Wake-up.....................................................................................................................................64

Watchdog Timer................................................................................................. 65

Wat�hdog Time� Clo�k Sou��e...................................................................................................65

Wat�hdog Time� Cont�ol Registe� ..............................................................................................65

Wat�hdog Time� �pe�ation ........................................................................................................66

Reset and Initialisation...................................................................................... 67

Reset Fun�tions .........................................................................................................................6�

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

HT67F86A Datasheet(PDF) 3 Page - Holtek Semiconductor Inc

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