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HT56R65 Datasheet(PDF) 79 Page - Holtek Semiconductor Inc

Part # HT56R65
Description  TinyPowerTM A/D Type with LCD 8-Bit OTP MCU
PDF  145 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT56R65 Datasheet(HTML) 79 Page - Holtek Semiconductor Inc

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Rev. 1.30
78
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Rev. 1.30
79
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HT56R62/HT56R65
HT56R642/HT56R644/HT56R654/HT56R656
TinyPowerTM A/D Type with LCD 8-Bit OTP MCU
HT56R62/HT56R65
HT56R642/HT56R644/HT56R654/HT56R656
TinyPowerTM A/D Type with LCD 8-Bit OTP MCU
A/D Transfer Function
Asthedevicecontaina12-bitA/Dconverter,itsfull-scaleconverteddigitisedvalueisequalto
FFFH.Sincethefull-scaleanaloginputvalueisequaltotheVDDvoltage,thisgivesasinglebit
analoginputvalueofVDD/4096.Thediagramshowtheidealtransferfunctionbetweentheanalog
inputvalueandthedigitisedoutputvaluefortheA/Dconverter.
Notethattoreducethequantisationerror,a0.5LSBoffsetisaddedtotheA/DConverterinput.
Exceptforthedigitisedzerovalue,thesubsequentdigitisedvalueswillchangeatapoint0.5LSB
belowwheretheywouldchangewithouttheoffset,andthelastfullscaledigitisedvaluewillchange
atapoint1.5LSBbelowtheVDDlevel.
FF EH
(
)
A/ D C onv er si on
Re su lt
FFFH
FF DH
03H
02H
01H
0. 5 LS B
0
12
3
409 3 4094 4095 409 6
A nal og In pu t Vo lt age
1. 5 LS B
V DD
409 6
Ideal A/D Transfer Function



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