HT45F4630 datasheet(4/153 Pages) HOLTEK

4 / 153 page

Rev. 1.00

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Rev. 1.00

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HT45F4630

DC Motor Driver ASSP MCU

HT45F4630

DC Motor Driver ASSP MCU

Timer Modules – TM ...................................................................................... 66

Int�oduction ........................................................................................................................... ��

TM O�e�ation ........................................................................................................................ ��

TM C�ock Sou�ce................................................................................................................... ��

TM Inte��u�ts......................................................................................................................... ��

TM Exte�na� Pins................................................................................................................... �7

TM In�ut/Out�ut Pin Se�ection .............................................................................................. �7

P�og�amming Conside�ations................................................................................................ �8

Periodic Type TM – PTM................................................................................ 69

Pe�iodic TM O�e�ation .......................................................................................................... �9

Pe�iodic Ty�e TM Registe� Desc�i�tion ................................................................................ 70

Pe�iodic Ty�e TM O�e�ating Modes ..................................................................................... 75

Analog to Digital Converter ......................................................................... 84

�/D Conve�te� Ove�view ....................................................................................................... 84

�/D Conve�te� Registe� Desc�i�tion...................................................................................... 85

�/D Conve�te� O�e�ation....................................................................................................... 87

�/D Conve�te� Refe�ence Vo�tage......................................................................................... 88

�/D Conve�te� In�ut Signa�s.................................................................................................. 88

Conve�sion Rate and Timing Diag�am .................................................................................. 88

Summa�y of �/D Conve�sion Ste�s....................................................................................... 89

P�og�amming Conside�ations................................................................................................ 90

�/D Conve�sion Function ...................................................................................................... 90

�/D Conve�sion P�og�amming Exam��es.............................................................................. 91

Operational Amplifier – OPA......................................................................... 93

Operational Amplifier Operation............................................................................................ 93

Operational Amplifier Registers............................................................................................. 93

Operational Amplifier Input Offset Calibration ....................................................................... 94

Over Current Protection – OCP.................................................................... 95

Ove� Cu��ent P�otection O�e�ation ....................................................................................... 95

Ove� Cu��ent P�otection Registe�s........................................................................................ 95

In�ut Vo�tage Range.............................................................................................................. 98

Offset Ca�ib�ation .................................................................................................................. 98

High Voltage Driver...................................................................................... 100

High Vo�tage D�ive� Cont�o�................................................................................................. 101

High Vo�tage D�ive� Combination........................................................................................ 107

High Vo�tage Powe� Su��y Detection .................................................................................110

I2C Interface...................................................................................................111

I�C Inte�face O�e�ation.........................................................................................................111

I�C Registe�s ........................................................................................................................11�

I�C Bus Communication ......................................................................................................11�

I�C Bus Sta�t Signa� .............................................................................................................117

S�ave �dd�ess ......................................................................................................................117

I�C Bus Read/W�ite Signa� ..................................................................................................117

I�C Bus S�ave �dd�ess �cknow�edge Signa� .......................................................................117

HT45F4630 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

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