HT45FM2C datasheet(4/171 Pages) HOLTEK

4 / 171 page

Rev. 1.10

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Rev. 1.10

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HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

Preliminar�

Timer Modules – TM ...................................................................................... 60

Introduction ........................................................................................................................... 60

T� Operation ........................................................................................................................ 60

T� Clock Source................................................................................................................... 60

T� Interrupts......................................................................................................................... 60

T� External Pins................................................................................................................... 61

T� Input/Output Pin Control Registers ................................................................................. 61

Programming Considerations................................................................................................ 6�

Compact Type TM – CTM .............................................................................. 63

Compact T� Operation......................................................................................................... 64

Compact T�pe T� Register Description................................................................................ 64

Compact T�pe T� Operating �odes .................................................................................... 71

Compare �atch Output �ode............................................................................................... 71

Timer/Counter �ode ............................................................................................................. 74

PW� Output �ode................................................................................................................ 74

Buzzer control ....................................................................................................................... 76

Capture Timer Module – CAPTM .................................................................. 77

Capture Timer Overview ....................................................................................................... 77

Capture Timer Register Description ..................................................................................... 77

Capture Timer Operation....................................................................................................... 81

Infrared Receiver ........................................................................................... 82

Functional Description........................................................................................................... 8�

R�T Timing........................................................................................................................... 8�

Noise Filter Registers Description......................................................................................... 8�

Remote Control Timer – R�T ............................................................................................... 84

R�T Register Description ..................................................................................................... 85

Analog to Digital Converter .......................................................................... 86

A/D Overview ........................................................................................................................ 86

A/D Converter Register Description ...................................................................................... 87

A/D Converter Data Registers – ADRL� ADRH ..................................................................... 87

A/D Converter Control Registers – ADCR0� ADCR1� ANCSR0� ANCSR1� ADDL................. 88

A/D Converter Boundar� Registers – ADLVDL� ADLVDH� ADHVDL� ADHVDH

......................91

A/D Operation ....................................................................................................................... 9�

A/D Input Pins ....................................................................................................................... 9�

Summar� of A/D Conversion Steps....................................................................................... 9�

Programming Considerations................................................................................................ 94

A/D Transfer Function ........................................................................................................... 94

A/D Programming Example................................................................................................... 95

Over-current Detection.................................................................................. 97

Over-current Functional Description ..................................................................................... 97

Over-current Register Description......................................................................................... 97

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