HT66F40 datasheet(4/244 Pages) HOLTEK

4 / 244 page

Watchdog Timer ................................................................................51

Watchdog Timer Clock Source .............................................................................51

Watchdog Timer Control Register.........................................................................51

Watchdog Timer Operation...................................................................................52

Reset and Initialisation .....................................................................53

Reset Functions ...................................................................................................53

Reset Initial Conditions .........................................................................................54

Input/Output Ports.............................................................................65

Pull-high Resistors................................................................................................68

Port A Wake-up ....................................................................................................70

I/O Port Control Registers.....................................................................................70

Pin-remapping Functions......................................................................................73

Pin-remapping Registers ......................................................................................73

I/O Pin Structures .................................................................................................78

Programming Considerations ...............................................................................78

Timer Modules - TM...........................................................................79

Introduction ..........................................................................................................79

TM Operation .......................................................................................................80

TM Clock Source..................................................................................................80

TM Interrupts ........................................................................................................80

TM External Pins ..................................................................................................80

TM Input/Output Pin Control Registers .................................................................81

Programming Considerations ...............................................................................89

Compact Type TM - CTM...................................................................90

Compact TM Operation ........................................................................................90

Compact Type TM Register Description ...............................................................91

Compact Type TM Operating Modes ....................................................................94

Compare Match Output Mode ..............................................................................94

Timer/Counter Mode.............................................................................................94

PWM Output Mode...............................................................................................97

Standard Type TM - STM...................................................................99

Standard TM Operation ........................................................................................99

Standard Type TM Register Description ...............................................................99

Standard Type TM Operating Modes..................................................................107

Compare Output Mode .......................................................................................107

Timer/Counter Mode ...........................................................................................110

PWM Output Mode .............................................................................................110

Single Pulse Mode..............................................................................................113

Capture Input Mode ............................................................................................114

Contents

Rev. 1.60

October 24, 2011

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