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HT66F019 Datasheet(PDF) 124 Page - Holtek Semiconductor Inc

Part # HT66F019
Description  A/D Flash MCU with EEPROM
PDF  175 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT66F019 Datasheet(HTML) 124 Page - Holtek Semiconductor Inc

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Rev. 1.00
1�4
De�e��e� 01� �01�
Rev. 1.00
1�5
De�e��e� 01� �01�
HT66F019
A/D Flash MCU with EEPROM
HT66F019
A/D Flash MCU with EEPROM
Bit
7
6
5
4
3
2
1
0
Na�e
D�
D6
D5
D4
D3
D�
D1
D0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
x
x
x
x
x
x
x
x
"x": unknown
• SIMA Register
TheSIMAregisterisalsousedbytheSPIinterfacebuthasthenameSIMC2.TheSIMAregisteris
thelocationwherethe7-bitslaveaddressoftheslavedeviceisstored.Bits7~1oftheSIMAregister
definethedeviceslaveaddress.Bit0isnotdefined.
Whenamasterdevice,whichisconnectedtotheI2Cbus,sendsoutanaddress,whichmatchesthe
slaveaddressintheSIMAregister,theslavedevicewillbeselected.NotethattheSIMAregisteris
thesameregisteraddressasSIMC2whichisusedbytheSPIinterface.
Bit
7
6
5
4
3
2
1
0
Na�e
SIMA6
SIMA5
SIMA4
SIMA3
SIMA�
SIMA1
SIMA0
D0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
x
x
x
x
x
x
x
x
"x": unknown
Bit7~1
SIMA6~SIMA0:I2Cslaveaddress
SIMA6~SIMA0istheI2Cslaveaddressbit6~bit0
Bit0
D0:Undefinedbit
Thebitcanbereadorwrittenbytheapplicationprogram.
TherearealsothreecontrolregistersfortheI2Cinterface,SIMC0,SIMC1andSIMTOC.The
registerSIMC0isusedtocontroltheenable/disablefunctionandtosetthedatatransmission
clockfrequency.TheSIMC1registercontainstherelevantflagswhichareusedtoindicatetheI2C
communicationstatus.TheSIMTOCregisterisusedtocontroltheI2Cbustime-outfunctionwhich
isdescribedintheI2CTime-outControlsection.
• SIMC0 Register
Bit
7
6
5
4
3
2
1
0
Na�e
SIM�
SIM1
SIM0
—
SIMDEB1 SIMDEB0 SIMEN
SIMICF
R/W
R/W
R/W
R/W
—
R/W
R/W
R/W
R/W
POR
1
1
1
—
0
0
0
0
Bit7~5
SIM2~SIM0:SIMOperatingModeControl
000:SPImastermode;SPIclockisfSYS/4
001:SPImastermode;SPIclockisfSYS/16
010:SPImastermode;SPIclockisfSYS/64
011:SPImastermode;SPIclockisfSUB
100:SPImastermode;SPIclockisPTMCCRPmatchfrequency/2
101:SPIslavemode
110:I2Cslavemode
111:NonSIMfunction
ThesebitssetuptheoveralloperatingmodeoftheSIMfunction.Aswellasselecting
iftheI2CorSPIfunction,theyareusedtocontroltheSPIMaster/Slaveselectionand
theSPIMasterclockfrequency.TheSPIclockisafunctionofthesystemclockbut
canalsobechosentobesourcedfromPTMandfSUB.IftheSPISlaveModeisselected
thentheclockwillbesuppliedbyanexternalMasterdevice.
Bit4
Unimplemented,readas"0"
Bit3~2
SIMDEB1~SIMDEB0:I2CDebounceTimeSelection
00:Nodebounce
01:2systemclockdebounce
1x:4systemclockdebounce



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