HT45F75 datasheet(165/190 Pages) HOLTEK

165 / 190 page

Rev. 1.10

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Rev. 1.10

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HT45F75

Body Fat Scale Flash MCU

HT45F75

Body Fat Scale Flash MCU

Configuration Options

ConfigurationoptionsrefertocertainoptionswithintheMCUthatareprogrammedintothedevice

duringtheprogrammingprocess.Duringthedevelopmentprocess,theseoptionsareselectedusing

theHT-IDEsoftwaredevelopmenttools.Astheseoptionsareprogrammedintothedeviceusing

thehardwareprogrammingtools,oncetheyareselectedtheycannotbechangedlaterusingthe

applicationprogram.Alloptionsmustbedefinedforpropersystemfunction,thedetailsofwhichare

showninthetable.

No.

Options

Oscillator Options

High Speed Syste� Os�illato� Sele�tion — fH:

1. HXT

�. HIRC

�

HIRC F�equen�y Sele�tion:

1. �.8MHz

�. 9.�MHz

3. 1�.�MHz

Low Speed Syste� Os�illato� Sele�tion — fSUB:

1. LXT

�. LIRC

Watchdog Timer Options

�

WDT fun�tion:

1. Always ena�led

�. Cont�olled �y WDT Cont�ol Registe�

WDT Clo�k Sele�tion — fS:

1. fSUB

�. fSYS/�

Application Circuits

CP0N

RFC

VDD

PB3/XT1

PB�/XT�

VSS

10�

51k

33k

10�

10uF

VDD

AVDD

100k

10�

VCM

AN0

AN1

VREFP

VREFN

AVDD

AN�

AN3

AVSS

105

AVDD

10�

HT45F75

SIN

FVL

FIL

RF1

FVR

FIR

RF�

10�

�.7k

�00

33k

HT45F75 Datasheet(PDF) 165 Page - Holtek Semiconductor Inc

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