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HT45F3420 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc |
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HT45F3420 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc |
4 / 141 page Rev. 1.31 4 April 11, 2017 Rev. 1.31 5 April 11, 2017 HT45F3420/HT45F3430 Personal Care Flash MCU HT45F3420/HT45F3430 Personal Care Flash MCU Integrated Voltage Divider Circuits .............................................................. 64 Functional Description........................................................................................................... 64 Timer Module – TM ........................................................................................ 66 Introduction ........................................................................................................................... 66 TM Operation ........................................................................................................................ 66 TM Clock Sources................................................................................................................. 66 TM Interrupts......................................................................................................................... 66 TM External Pins................................................................................................................... 67 TM Input/Output Pin Control Register................................................................................... 67 Programming Considerations................................................................................................ 68 Standard Type TM – STM .............................................................................. 69 Standard Type TM Operation................................................................................................ 69 Standard Type TM Registers................................................................................................. 69 Standard Type TM Operating Modes .................................................................................... 73 Analog to Digital Converter .......................................................................... 83 A/D Overview ........................................................................................................................ 83 A/D Converter Registers ....................................................................................................... 84 A/D Converter Data Registers – SADOL, SADOH................................................................ 84 A/D Converter Control Registers – SADC0, SADC1, SADC2............................................... 84 A/D Converter Operation....................................................................................................... 87 A/D Converter Input Signals.................................................................................................. 88 Conversion Rate and Timing Diagram .................................................................................. 89 Summary of A/D Conversion Steps....................................................................................... 90 Programming Considerations................................................................................................ 91 A/D Conversion Transfer Function........................................................................................ 91 A/D Conversion Programming Examples.............................................................................. 92 Over Current Protection ............................................................................... 94 Over Current Protection Operation ....................................................................................... 94 Over Current Protection Control Registers ........................................................................... 95 Input Voltage Range.............................................................................................................. 97 Offset Calibration .................................................................................................................. 98 Over Voltage Protection ................................................................................ 99 Over Voltage Protection Operation ....................................................................................... 99 Over Voltage Protection Control Registers ........................................................................... 99 Offset Calibration ................................................................................................................ 101 High Resolution Complementary Output PWM Generator ..................... 102 Functional Description......................................................................................................... 102 High Resolution PWM Registers......................................................................................... 102 PWM Generator ................................................................................................................. 105 Delay Lock Loop ................................................................................................................ 106 Dead-Time Insert................................................................................................................. 107 Protection and Inverting Control.......................................................................................... 108 Programming Considerations.............................................................................................. 108 |
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