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HT45F4MA Datasheet(PDF) 112 Page - Holtek Semiconductor Inc

Part # HT45F4MA
Description  Power Bank Flash MCU
PDF  145 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F4MA Datasheet(HTML) 112 Page - Holtek Semiconductor Inc

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Rev. 1.20
112
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Rev. 1.20
113
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HT45F4MA/HT45FH4MA/HT45FH4MA-1
Power Bank Flash MCU
HT45F4MA/HT45FH4MA/HT45FH4MA-1
Power Bank Flash MCU
OCP Comparator Offset Cancellation Function
CMPallowsforacommodemodeadjustmentmethodofitsinputoffsetvoltage.
CARS
CAOFM
S1
S2
S3
0
0
ON
ON
OFF
0
1
OFF
ON
ON
1
0
ON
ON
OFF
1
1
ON
OFF
ON
S1
S2
S3
CA
Co mp ar at or A + i n put
Co mp ar at or A - i nput
Co mp ar at or A o ut pu t
CA OF 0~ CA OF 5, O CP EN
Thecalibrationstepsareasfollowing:
• SetCAOFM=1tosetuptheoffsetcancellationmode,hereS3isclosed
• SetCARStoselectwhichinputpinistobeusedasthereferencevoltage–S1orS2isclosed
• AdjustCAOF0~CAOF5untiltheoutputstatuschanges
• SetCAOFM=0torestorethenormalComparatorAmode
OVP Comparator Offset Cancellation Function
CMPallowsforacommodemodeadjustmentmethodofitsinputoffsetvoltage.
CBRS
CBOFM
S1
S2
S3
0
0
ON
ON
OFF
0
1
OFF
ON
ON
1
0
ON
ON
OFF
1
1
ON
OFF
ON
S1
S2
S3
CB
Co mp ar at or B + i n put
Co mp ar at or B - i nput
Co mp ar at or B o ut pu t
CB OF 0~ CB OF 5, O VPEN
Thecalibrationstepsareasfollowing:
• SetCBOFM=1tosetuptheoffsetcancellationmode,hereS3isclosed
• SetCBRStoselectwhichinputpinistobeusedasthereferencevoltage–S1orS2isclosed
• AdjustCBOF0~CBOF5untiltheoutputstatuschanges
• SetCBOFM=0torestorethenormalComparatorBmode



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