HT45F3830 datasheet(3/149 Pages) HOLTEK

3 / 149 page

Rev. 1.10

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Rev. 1.10

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HT45F3830

Ultrasonic Atomizer Flash MCU

HT45F3830

Ultrasonic Atomizer Flash MCU

EEPROM Data Memory.................................................................................. 29

EEPROM Data Memo�� St��ct��e ........................................................................................ �9

EEPROM Registe�s .............................................................................................................. �9

Reading Data f�om the EEPROM ........................................................................................ 31

W�iting Data to the EEPROM................................................................................................ 31

W�ite P�otection..................................................................................................................... 31

EEPROM Inte��pt ................................................................................................................ 31

P�og�amming Conside�ations................................................................................................ 3�

Oscillators ...................................................................................................... 33

Oscillato� Ove�view ............................................................................................................... 33

System Clock Configurations................................................................................................ 33

Inte�nal RC Oscillato� – HIRC ............................................................................................... 34

Inte�nal 3�kHz Oscillato� – LIRC........................................................................................... 34

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

S�stem Clocks ...................................................................................................................... 35

S�stem Ope�ating Modes...................................................................................................... 3�

Cont�ol Registe�s .................................................................................................................. 3�

Ope�ating Mode Switching ................................................................................................... 39

Standb� C��ent Conside�ations........................................................................................... 43

Wake-�p................................................................................................................................ 43

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

Watchdog Time� Clock So��ce.............................................................................................. 44

Watchdog Time� Cont�ol Registe� ......................................................................................... 44

Watchdog Time� Ope�ation ................................................................................................... 45

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

Reset F�nctions .................................................................................................................... 4�

Reset Initial Conditions ......................................................................................................... 49

Input/Output Ports......................................................................................... 52

P�ll-high Resisto�s ................................................................................................................ 5�

Po�t A Wake-�p ..................................................................................................................... 53

I/O Po�t Cont�ol Registe�s..................................................................................................... 53

Slew Rate Cont�ol ................................................................................................................. 54

So��ce C��ent Selection...................................................................................................... 55

Pin-sha�ed F�nction.............................................................................................................. 5�

I/O Pin St��ct��es.................................................................................................................. 59

P�og�amming Conside�ations................................................................................................ 59

Timer Modules – TM ...................................................................................... 60

Int�od�ction ........................................................................................................................... �0

TM Ope�ation ........................................................................................................................ �0

TM Clock So��ce................................................................................................................... �1

TM Inte��pts......................................................................................................................... �1

TM Exte�nal Pins................................................................................................................... �1

TM Inp�t/O�tp�t Pin Cont�ol Registe�................................................................................... ��

P�og�amming Conside�ations................................................................................................ �3

HT45F3830 Datasheet(PDF) 3 Page - Holtek Semiconductor Inc

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