Holtek HT66F004 - Page 4

Rev. 1.71 4 April 11, 2017 Rev. 1.71 5 April 11, 2017
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
Timer Modules – TM ...................................................................................... 66
Introduction ........................................................................................................................... 66
TM Operation
........................................................................................................................ 66
TM Clock Source
................................................................................................................... 66
TM Interrupts
......................................................................................................................... 67
TM External Pins
................................................................................................................... 67
TM Input/Output Pin Control Register
................................................................................... 67
Programming Considerations
................................................................................................ 68
Standard Type TM – STM .............................................................................. 69
Standard TM Operation ......................................................................................................... 69
Standard Type TM Register Description
............................................................................... 70
Standard Type TM Operating Modes
.................................................................................... 74
Compare Output Mode
.......................................................................................................... 74
Timer/Counter Mode
............................................................................................................. 77
PWM Output Mode
................................................................................................................ 77
Single Pulse Mode
................................................................................................................ 80
Capture Input Mode
.............................................................................................................. 82
Periodic Type TM – PTM ................................................................................ 83
Periodic TM Operation .......................................................................................................... 83
Periodic Type TM Register Description
................................................................................. 84
Periodic Type TM Operating Modes
...................................................................................... 88
Compare Match Output Mode
............................................................................................... 88
Timer/Counter Mode
............................................................................................................. 91
PWM Output Mode
................................................................................................................ 91
Single Pulse Output Mode
.................................................................................................... 93
Capture Input Mode
.............................................................................................................. 95
Analog to Digital Converter .......................................................................... 97
A/D Overview ........................................................................................................................ 97
A/D Converter Register Description
...................................................................................... 98
A/D Converter Data Registers – SADOL, SADOH
................................................................ 98
A/D Converter Control Registers – SADC0, SADC1, SADC2, PASR, PBSR
....................... 99
A/D Operation
..................................................................................................................... 101
A/D Converter Input Signal
................................................................................................. 102
Conversion Rate and Timing Diagram
................................................................................ 103
Summary of A/D Conversion Steps
..................................................................................... 104
Programming Considerations
.............................................................................................. 105
A/D Transfer Function
......................................................................................................... 105
A/D Programming Examples
............................................................................................... 106