HT45FM2C datasheet(5/171 Pages) HOLTEK

5 / 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�

Linear Hall Sensor Detection........................................................................ 99

Hall Sensor Detection Function Description.......................................................................... 99

Linear Hall Sensor Control Register Description................................................................. 100

BLDC Motor Control Circuit........................................................................ 101

Functional Description......................................................................................................... 101

PW� Counter Control Circuit ............................................................................................. 10�

PW� Register Description .................................................................................................. 10�

�ask Function..................................................................................................................... 105

Register Description............................................................................................................ 108

Other Functions................................................................................................................... 109

Hall Sensor Decoder ............................................................................................................111

Hall Sensor Decoder Register Description...........................................................................116

�otor Protection Function ....................................................................................................118

�otor Protection Function Description .................................................................................119

�otor Position Detection �ethods ...................................................................................... 1��

DC Motor Control......................................................................................... 124

�-pin DC �otor Control ....................................................................................................... 1�4

1-pin DC �otor Control ....................................................................................................... 1�5

Register Description............................................................................................................ 1�6

Interrupts ...................................................................................................... 127

Interrupt Registers............................................................................................................... 1�7

Interrupt Operation .............................................................................................................. 1�8

External Interrupt 0.............................................................................................................. 140

External Interrupt 1.............................................................................................................. 140

Comparator Interrupt........................................................................................................... 140

�ulti-function Interrupt ........................................................................................................ 140

A/D Converter Interrupt ....................................................................................................... 141

Fault Interrupt...................................................................................................................... 141

Pause Interrupt.................................................................................................................... 141

PW� �odule Interrupts ...................................................................................................... 141

Time Base Interrupt............................................................................................................. 14�

CAPT� �odule Interrupt .................................................................................................... 14�

T� Interrupt......................................................................................................................... 14�

R�T �odule Interrupt ......................................................................................................... 14�

EEPRO� Interrupt .............................................................................................................. 14�

LVD Interrupt ....................................................................................................................... 144

Interrupt Wake-up Function................................................................................................. 144

Programming Considerations.............................................................................................. 144

Low Voltage Detector – LVD ....................................................................... 145

LVD Register ....................................................................................................................... 145

LVD Operation..................................................................................................................... 146

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