HT66F017L View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

Manufacturer

HT66F017L

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

Holtek Semiconductor 

HT66F016L/HT66F017L

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

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

Indirect Addressing Registers – IAR0, IAR1.......................................................................... 24

Memory Pointers – MP0, MP1............................................................................................... 24

Bank Pointer – BP.................................................................................................................. 25

Accumulator – ACC................................................................................................................ 25

Program Counter Low Register – PCL................................................................................... 25

Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 25

Status Register – STATUS..................................................................................................... 26

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

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

EEPROM Registers............................................................................................................... 28

Reading Data from the EEPROM.......................................................................................... 30

Writing Data to the EEPROM................................................................................................. 30

Write Protection...................................................................................................................... 30

EEPROM Interrupt................................................................................................................. 30

Programming Considerations................................................................................................. 31

Programming Examples......................................................................................................... 31

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

Oscillator Overview................................................................................................................ 32

System Clock Configurations................................................................................................. 32

External Crystal/Ceramic Oscillator – HXT............................................................................ 33

High Speed Internal RC Oscillator – HIRC............................................................................ 34

Internal 32kHz Oscillator – LIRC............................................................................................ 34

Supplementary Oscillator....................................................................................................... 34

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

System Clocks....................................................................................................................... 35

System Operation Modes....................................................................................................... 36

Control Register..................................................................................................................... 37

Fast Wake-up......................................................................................................................... 38

Operating Mode Switching and Wake-up............................................................................... 39

Standby Current Considerations............................................................................................ 43

Wake-up................................................................................................................................. 43

Programming Considerations................................................................................................. 44

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

Watchdog Timer Clock Source............................................................................................... 44

Watchdog Timer Control Register.......................................................................................... 44

Watchdog Timer Operation.................................................................................................... 46

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

Reset Functions..................................................................................................................... 47

Reset Initial Conditions.......................................................................................................... 50

Rev. 1.00

3

July 04, 2013

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