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HT66F005 bảng dữ liệu(PDF) 73 Page - Holtek Semiconductor Inc

tên linh kiện HT66F005
Giải thích chi tiết về linh kiện  Cost-Effective A/D Flash MCU with EEPROM
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nhà sản xuất  HOLTEK [Holtek Semiconductor Inc]
Trang chủ  http://www.holtek.com
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HT66F005 bảng dữ liệu(HTML) 73 Page - Holtek Semiconductor Inc

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HT66F005/HT66F006
Cost-Effective A/D Flash MCU with EEPROM
HT66F005/HT66F006
Cost-Effective A/D Flash MCU with EEPROM
ADCR0 Register
Bit
7
6
5
4
3
2
1
0
Name
ST�RT
EOCB
�DOFF
�DRFS
—
—
�CS1
�CS0
R/W
R/W
R
R/W
R/W
—
—
R/W
R/W
POR
0
1
1
0
—
—
0
0
Bit7
START:StarttheA/Dconversion
0→1→0:Start
0→1:ResettheA/DconverterandsetEOCBto“1”
ThisbitisusedtoinitiateanA/Dconversionprocess.Thebitisnormallylowbutifset
highandthenclearedlowagain,theA/Dconverterwillinitiateaconversionprocess.
WhenthebitissethightheA/Dconverterwillbereset.
Bit6
EOCB:EndofA/Dconversionflag
0:A/Dconversionended
1:A/Dconversioninprogress
ThisreadonlyflagisusedtoindicatewhenanA/Dconversionprocesshascompleted.
Whentheconversionprocessisrunning,thebitwillbehigh.
Bit5
ADOFF :ADCmodulepoweron/offcontrolbit
0:ADCmodulepoweron
1:ADCmodulepoweroff
ThisbitcontrolsthepowertotheA/Dinternalfunction.Thisbitshouldbecleared
tozerotoenabletheA/Dconverter.IfthebitissethighthentheA/Dconverterwill
beswitchedoffreducingthedevicepowerconsumption.AstheA/Dconverterwill
consumealimitedamountofpower,evenwhennotexecutingaconversion,thismay
beanimportantconsiderationinpowersensitivebatterypoweredapplications.
Note:1.itisrecommendedtosetADOFF=1beforeenteringIDLE/SLEEPModefor
savingpower.
2.ADOFF=1willpowerdowntheADCmodule.
Bit4
ADRFS:ADCDataFormatControl
0:ADCDataMSBisADRHbit7,LSBisADRLbit4
1:ADCDataMSBisADRHbit3,LSBisADRLbit0
Thisbitcontrolstheformatofthe12-bitconvertedA/DvalueinthetwoA/Ddata
registers.DetailsareprovidedintheA/Ddataregistersection.
Bit3~2
Unimplemented,readas“0”
Bit1~0
ACS2, ACS1, ACS0:SelectA/Dchannel(whenACS4is“0”)
000:AN0
001:AN1
010:AN2
011:AN3



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