HT66F017L datasheet(3/128 Pages) HOLTEK

3 / 128 page

Rev. 1.00

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Rev. 1.00

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HT66F016L/HT66F017L

0.9V Battery Flash A/D Type 8-Bit MCU

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

Indirect Addressing Registers – IAR0� IAR1 ......................................................................... ��

Memor� Pointers – MP0� MP1 .............................................................................................. ��

Bank Pointer – BP................................................................................................................. �5

Acc�m��ator – ACC............................................................................................................... �5

Program Co�nter Low Register – PCL.................................................................................. �5

Look-�p Tab�e Registers – TBLP� TBHP� TBLH..................................................................... �5

Stat�s Register – STATUS.................................................................................................... �6

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

EEPROM Data Memor� Str�ct�re ........................................................................................ �8

EEPROM Registers .............................................................................................................. �8

Reading Data from the EEPROM ......................................................................................... �0

Writing Data to the EEPROM................................................................................................ �0

Write Protection..................................................................................................................... �0

EEPROM Interr�pt ................................................................................................................ �0

Programming Considerations................................................................................................ �1

Programming Examp�es........................................................................................................ �1

Oscillator ........................................................................................................ 32

Osci��ator Overview ............................................................................................................... ��

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

Externa� Cr�sta�/Ceramic Osci��ator – HXT ........................................................................... ��

High Speed Interna� RC Osci��ator – HIRC ........................................................................... ��

Interna� ��kHz Osci��ator – LIRC........................................................................................... ��

S�pp�ementar� Osci��ator...................................................................................................... ��

Operating Modes and System Clocks ......................................................... 35

S�stem C�ocks ...................................................................................................................... �5

S�stem Operation Modes...................................................................................................... �6

Contro� Register .................................................................................................................... �7

Fast Wake-�p........................................................................................................................ �8

Operating Mode Switching and Wake-�p.............................................................................. �9

Standb� C�rrent Considerations........................................................................................... ��

Wake-�p................................................................................................................................ ��

Programming Considerations................................................................................................ ��

Watchdog Timer............................................................................................. 44

Watchdog Timer C�ock So�rce.............................................................................................. ��

Watchdog Timer Contro� Register ......................................................................................... ��

Watchdog Timer Operation ................................................................................................... �6

Reset and Initialisation.................................................................................. 47

Reset F�nctions .................................................................................................................... �7

Reset Initia� Conditions ......................................................................................................... 50

HT66F017L Datasheet(PDF) 3 Page - Holtek Semiconductor Inc

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