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HT66F4530 数据表(PDF) 142 Page - Holtek Semiconductor Inc

部件名 HT66F4530
功能描述  A/D Flash MCU with Dual Operational Amplifiers
PDF  224 Pages
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制造商  HOLTEK [Holtek Semiconductor Inc]
网页  http://www.holtek.com
标志 HOLTEK - Holtek Semiconductor Inc

HT66F4530 数据表(HTML) 142 Page - Holtek Semiconductor Inc

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Rev. 1.00
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Rev. 1.00
143
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HT66F4530/HT66F4540/HT66F4550
A/D Flash MCU with Dual Operational Amplifiers
HT66F4530/HT66F4540/HT66F4550
A/D Flash MCU with Dual Operational Amplifiers
• SIMD Register
Bit
7
6
5
4
3
2
1
0
Na�e
D7
D�
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
Bit7~0
D7~D0:SIMdataregisterbit7~bit0
I2C Address Register
TheSIMAregisterisalsousedbytheSPIinterfacebuthasthenameSIMC2.TheSIMAregisteris
thelocationwherethe7-bitslaveaddressoftheslavedeviceisstored.Bits7~1oftheSIMAregister
definethesedevicesslaveaddress.Bit0isnotdefined.Whenamasterdevice,whichisconnected
totheI2Cbus,sendsoutanaddress,whichmatchestheslaveaddressintheSIMAregister,theslave
devicewillbeselected.NotethattheSIMAregisteristhesameregisteraddressasSIMC2whichis
usedbytheSPIinterface.
• SIMA Register
Bit
7
6
5
4
3
2
1
0
Na�e
A�
A5
A4
A3
A�
A1
A0
—
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
POR
0
0
0
0
0
0
0
—
Bit7~1
A6~A0:I2Cslaveaddress
A6~A0istheI2Cslaveaddressbit6~bit0.
Bit0
Unimplemented,readas"0"
I2C Control Registers
TherearethreecontrolregistersfortheI2Cinterface,SIMC0,SIMC1andSIMTOC.TheSIMC0
registerisusedtocontroltheenable/disablefunctionandtosetthedatatransmissionclock
frequency.TheSIMC1registercontainstherelevantflagswhichareusedtoindicatetheI2C
communicationstatus.Anotherregister,SIMTOC,isusedtocontroltheI2Ctime-outfunctionand
describedinthecorrespondingsection.
• 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;SPIclockisPTM0CCRPmatchfrequency/2
101:SPIslavemode
110:I2Cslavemode
111:Unusedmode
ThesebitssetuptheoveralloperatingmodeoftheSIMfunction.Aswellasselecting
iftheI2CorSPIfunction,theyareusedtocontroltheSPIMaster/Slaveselection
andtheSPIMasterclockfrequency.TheSPIclockisafunctionofthesystemclock
butcanalsobechosentobesourcedfromPTM0andfSUB.IftheSPISlaveModeis
selectedthentheclockwillbesuppliedbyanexternalMasterdevice.



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