Holtek HT66F20-1 Manual page 4

Input/Output Ports ......................................................................................... 71
I/O Po�t Registe� List ............................................................................................................. 71
Pull-high Resisto�s ................................................................................................................ 7�
Po�t A Wake-up ..................................................................................................................... 7�
I/O Po�t Cont�ol Registe�s ..................................................................................................... 7�
Pin-�e�apping Functions ...................................................................................................... 74
Pin-�e�apping Registe�s ....................................................................................................... 74
I/O Pin St�uctu�es .................................................................................................................. 75
P�og�a��ing Conside�ations ................................................................................................ 7�
Timer Modules - TM ...................................................................................... 76
Int�oduction ........................................................................................................................... 7�
TM Ope�ation ........................................................................................................................ 77
TM Clock Sou�ce ................................................................................................................... 77
TM Inte��upts ......................................................................................................................... 77
TM Exte�nal Pins ................................................................................................................... 78
TM Input/Output Pin Cont�ol ................................................................................................. 78
P�og�a��ing Conside�ations ................................................................................................ 8�
Compact Type TM - CTM .............................................................................. 83
Co�pact TM Ope�ation ......................................................................................................... 8�
Co�pact Type TM Registe� Desc�iption................................................................................ 84
Co�pact Type TM Ope�ating Modes .................................................................................... 87
Co�pa�e Match Output Mode ............................................................................................... 87
Ti�e�/Counte� Mode ............................................................................................................. 90
PWM Output Mode ................................................................................................................ 90
Standard Type TM - STM .............................................................................. 93
Standa�d TM Ope�ation ......................................................................................................... 9�
Standa�d Type TM Registe� Desc�iption ............................................................................... 94
Standa�d Type TM Ope�ating Modes .................................................................................... 98
Co�pa�e Match Output Mode ............................................................................................... 98
Ti�e�/Counte� Mode ........................................................................................................... 101
PWM Output Mode .............................................................................................................. 101
Single Pulse Mode .............................................................................................................. 104
Captu�e Input Mode ............................................................................................................ 10�
Enhanced Type TM - ETM ........................................................................... 107
Enhanced TM Ope�ation ..................................................................................................... 107
Enhanced Type TM Registe� Desc�iption ............................................................................ 108
Enhanced Type TM Ope�ating Modes..................................................................................114
Co�pa�e Match Output Mode ..............................................................................................115
Ti�e�/Counte� Mode ........................................................................................................... 1�0
PWM Output Mode .............................................................................................................. 1�0
Single Pulse Output Mode .................................................................................................. 1��
Captu�e Input Mode ............................................................................................................ 1�8
Rev. 1.40
HT66F20-1/HT66F30-1/HT68F20-1/HT68F30-1
Flash MCU with EEPROM
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