Holtek HT66F20 Manual page 4

Timer Modules - TM ...................................................................................... 99
Introd�ction ........................................................................................................................... 99
TM Operation ...................................................................................................................... �00
TM Clock So�rce ................................................................................................................. �00
TM Interr�pts ....................................................................................................................... �00
TM External Pins ................................................................................................................. �0�
TM Inp�t/O�tp�t Pin Control Registers ............................................................................... �02
Programming Considerations ...............................................................................................���
Compact Type TM - CTM .............................................................................112
Compact TM Operation ........................................................................................................��2
Compact Type TM Register Description...............................................................................��3
Compact Type TM Operating Modes ...................................................................................���
Standard Type TM - STM ............................................................................ 123
Standard TM Operation ....................................................................................................... �23
Standard Type TM Register Description ............................................................................. �24
Standard Type TM Operating Modes .................................................................................. �33
Enhanced Type TM - ETM ........................................................................... 144
Enhanced TM Operation ..................................................................................................... �45
Enhanced Type TM Register Description ............................................................................ �45
Enhanced Type TM Operating Modes................................................................................. �52
Aanlog to Digital Converter ........................................................................ 169
A/D Overview ...................................................................................................................... �69
A/D Converter Register Description .................................................................................... �69
A/D Operation ..................................................................................................................... ��5
A/D Inp�t Pins ..................................................................................................................... ��6
S�mmary of A/D Conversion Steps ..................................................................................... ��6
Programming Considerations .............................................................................................. ��8
A/D Transfer F�nction ......................................................................................................... ��8
A/D Programming Example ................................................................................................. ��9
Comparators ................................................................................................ 181
Comparator Operation ........................................................................................................ �8�
Comparator Registers ......................................................................................................... �82
Comparator Interr�pt ........................................................................................................... �84
Programming Considerations .............................................................................................. �84
Serial Interface Module - SIM ..................................................................... 185
SPI Interface ....................................................................................................................... �85
I C Interface ........................................................................................................................ �92
2
Peripheral Clock Output .............................................................................. 201
Peripheral Clock Operation ................................................................................................. 20�
Rev. 2.50
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
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