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HT45F4MA 데이터시트(PDF) 111 Page - Holtek Semiconductor Inc

부품명 HT45F4MA
상세설명  Power Bank Flash MCU
PDF  145 Pages
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제조업체  HOLTEK [Holtek Semiconductor Inc]
홈페이지  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F4MA 데이터시트(HTML) 111 Page - Holtek Semiconductor Inc

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Rev. 1.20
110
De�e��e� 1�� 201�
Rev. 1.20
111
De�e��e� 1�� 201�
HT45F4MA/HT45FH4MA/HT45FH4MA-1
Power Bank Flash MCU
HT45F4MA/HT45FH4MA/HT45FH4MA-1
Power Bank Flash MCU
OCVPR5 Register
Bit
7
6
5
4
3
2
1
0
Na�e
—
—
—
—
—
AX
CBX
CAX
R/W
—
—
—
—
—
R
R
R
POR
—
—
—
—
—
x
x
x
“x”: unknown
Bit7~3
Unimplemented,readas"0"
Bit2
AX:OverCurrentProtectionOperationalAmplifierDigitalOutput
0:positiveinputvoltage<negativeinputvoltage
1:positiveinputvoltage>negativeinputvoltage
Bit1
CBX:OverCurrentProtectionComparatorDigitalOutput
0:positiveinputvoltage<negativeinputvoltage
1:positiveinputvoltage>negativeinputvoltage
Bit0
CAX:OverVoltageProtectionComparatorDigitalOutput
0:positiveinputvoltage<negativeinputvoltage
1:positiveinputvoltage>negativeinputvoltagel
OCP Operational Amplifier Offset Cancellation Function
OPAallowsforacommodemodeadjustmentmethodofitsinputoffsetvoltage.
ARS
AOFM
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
A
O PA + in put
O PA - in pu t
OP A ou tp ut
AO F0 ~A OF 5, O CP EN
Thecalibrationstepsareasfollowing:
• SetAOFM=1tosetuptheoffsetcancellationmode,hereS3isclosed
• SetARStoselectwhichinputpinistobeusedasthereferencevoltage–S1orS2isclosed
• AdjustAOF0~AOF5untiltheoutputstatuschanges
• SetAOFM=0torestorethenormalOPAmode



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