HT45F3W datasheet(151/167 Pages) HOLTEK

151 / 167 page

Rev. 1.50

150

De�e��e� 01� �01�

Rev. 1.50

151

De�e��e� 01� �01�

HT45F3W

R-Type Blood Pressure Meter Flash MCU

HT45F3W

R-Type Blood Pressure Meter Flash MCU

Configuration Option

ConfigurationoptionsrefertocertainoptionswithintheMCUthatareprogrammedintothedevice

duringtheprogrammingprocess.Duringthedevelopmentprocess,theseoptionsareselectedusing

theHT-IDEsoftwaredevelopmenttools.Astheseoptionsareprogrammedintothedeviceusing

thehardwareprogrammingtools,oncetheyareselectedtheycannotbechangedlaterusingthe

applicationprogram.Alloptionsmustbedefinedforpropersystemfunction,thedetailsofwhichare

showninthetable.

No.

Options

Oscillator Options

High Speed System Oscillator Selection − fH:

1. HXT

�. ERC

3. HIRC

�

Low Speed System Oscillator Selection − fSUB:

1. LXT

�. LIRC

WDT Clock Selection − fS:

1. fSUB

�. fSYS/4

Note: The fSUB and the fTBC �lo�k sou��e a�e LXT o� LIRC sele�tion �y the fL configuration option.

Watchdog Options

CLR WDT Inst�u�tions Sele�tion:

1. 1 inst�u�tions

�. � inst�u�tions

SPI Options

WCOLn �it:

1. Ena�le

�. Disa�le

�

CSENn �it:

1. Ena�le

�. Disa�le

HT45F3W Datasheet(PDF) 151 Page - Holtek Semiconductor Inc

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