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HT66F4530 Datasheet(PDF) 156 Page - Holtek Semiconductor Inc

Part # HT66F4530
Description  A/D Flash MCU with Dual Operational Amplifiers
PDF  224 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT66F4530 Datasheet(HTML) 156 Page - Holtek Semiconductor Inc

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Rev. 1.00
15�
De�e��e� �1� �01�
Rev. 1.00
157
De�e��e� �1� �01�
HT66F4530/HT66F4540/HT66F4550
A/D Flash MCU with Dual Operational Amplifiers
HT66F4530/HT66F4540/HT66F4550
A/D Flash MCU with Dual Operational Amplifiers
Bit3
WAKE:RXpinwake-upUARTfunctionenablecontrol
0:RXpinwake-upUARTfunctionisdisabled
1:RXpinwake-upUARTfunctionisenabled
Thisbitisusedtocontrolthewake-upUARTfunctionwhenafallingedgeontheRX
pinoccurs.NotethatthisbitisonlyavailablewhentheUARTclock(fH)isswitched
off.TherewillbenoRXpinwake-upUARTfunctioniftheUARTclock(fH)exists.
IftheWAKEbitissetto1astheUARTclock(fH)isswitchedoff,aUARTwake-
uprequestwillbeinitiatedwhenafallingedgeontheRXpinoccurs.Whenthis
requesthappensandthecorrespondinginterruptisenabled,anRXpinwake-upUART
interruptwillbegeneratedtoinformtheMCUtowakeuptheUARTfunctionby
switchingontheUARTclock(fH)viatheapplicationprogram.Otherwise,theUART
functioncannotresumeevenifthereisafallingedgeontheRXpinwhentheWAKE
bitisclearedto0.
Bit2
RIE:Receiverinterruptenablecontrol
0:Receiverrelatedinterruptisdisabled
1:Receiverrelatedinterruptisenabled
Thisbitenablesordisablesthereceiverinterrupt.Ifthisbitisequalto"1"andwhen
thereceiveroverrunflagOERRorreceivedataavailableflagRXIFisset,theUART
interruptrequestflagwillbeset.Ifthisbitisequalto"0",theUARTinterruptrequest
flagwillnotbeinfluencedbytheconditionoftheOERRorRXIFflags.
Bit1
TIIE:TransmitterIdleinterruptenablecontrol
0:Transmitteridleinterruptisdisabled
1:Transmitteridleinterruptisenabled
Thisbitenablesordisablesthetransmitteridleinterrupt.Ifthisbitisequalto"1"and
whenthetransmitteridleflagTIDLEisset,duetoatransmitteridlecondition,the
UARTinterruptrequestflagwillbeset.Ifthisbitisequalto"0",theUARTinterrupt
requestflagwillnotbeinfluencedbytheconditionoftheTIDLEflag.
Bit0
TEIE:TransmitterEmptyinterruptenablecontrol
0:Transmitteremptyinterruptisdisabled
1:Transmitteremptyinterruptisenabled
Thisbitenablesordisablesthetransmitteremptyinterrupt.Ifthisbitisequalto"1"
andwhenthetransmitteremptyflagTXIFisset,duetoatransmitteremptycondition,
theUARTinterruptrequestflagwillbeset.Ifthisbitisequalto"0",theUART
interruptrequestflagwillnotbeinfluencedbytheconditionoftheTXIFflag.
TXR_RXR Register
Bit
7
6
5
4
3
2
1
0
Na�e
TXRX7
TXRX�
TXRX5
TXRX4
TXRX3
TXRX�
TXRX1
TXRX0
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
TXRX7~TXRX0:UARTTransmit/ReceiveDatabit7~bit0
BRG Register
Bit
7
6
5
4
3
2
1
0
Na�e
BRG7
BRG�
BRG5
BRG4
BRG3
BRG�
BRG1
BRG0
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
BRG7~BRG0:BaudRatevalues
ByprogrammingtheBRGHbitinUCR2Registerwhichallowsselectionofthe
relatedformuladescribedaboveandprogrammingtherequiredvalueintheBRG
register,therequiredbaudratecanbesetup.
Note:Baudrate=fH/[64×(N+1)]ifBRGH=0.
Baudrate=fH/[16×(N+1)]ifBRGH=1.



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