HT45FM2C datasheet(116/171 Pages) HOLTEK

116 / 171 page

Rev. 1.10

116

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Rev. 1.10

117

�a� �0� �01�

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

Preliminar�

Hall Sensor Decoder Register Description

TheHDCRregisteristheHallSensorDecodercontrolregister,HDCDistheHallSensorDecoder

inputdataregister,andHDCT0~HDCT11aretheHallSensorDecodertables.TheHCHK_NUM

registeristheHallNoiseFilterchecknumberregisterandHNF_MSEListheHallNoiseFilter

Modeselectregister

HDCR Register

Bit

Name

CT�_SEL1 CT�_SEL0 HDLY_�SEL

HALS

HD�S

BRKE

FRS

HDCEN

R/W

POR

Bit 7~6

CTM_SEL1~CTM_SEL0:

CTMTimerselectoftheHallDelayCircuit

00:TM5(16-bitCTM)

01:TM0(10-bitCTM)

10:TM1(10-bitCTM)

11:Unused

Bit 5

HDLY_MSEL:

HallDelayCircuitselect

0:Selectoriginalpath

1:SelectHallDelayCircuit

Bit 4

HALS:

HallSensorDecoderModeselect

0:HallSensor60degree

1:HallSensor120degree

Bit 3

HDMS:

HallSensorDecoderModeselect

0:S/WMode

1:HallSensorMode

Bit 2

BRKE:

motorbrakecontrol

0:GAT/GBT/GCT/GAB/GBB/GCB=V

1:GAT/GBT/GCT=0,GAB/GBB/GCB=1

Bit 1

FRS:

MotorForward/Backwardselect

0:Forward

1:Backward

Bit 0

HDCEN:

HallSensorDecoderenable

0:Disable

1:Enable

HDCD Register

Bit

Name

—

SHC

SHB

SHA

R/W

—

R/W

POR

—

Bit7~3

Unimplemented,readas"0"

Bit 2

SHC:

S/WHallC

Bit 1

SHB:

S/WHallB

Bit 0

SHA:

S/WHallA

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