Holtek HT66F0175 - Configuration Options; Application Circuits

Rev. 1.50 186 August 28, 2017 Rev. 1.50 187 August 28, 2017
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
Conguration Options
CongurationoptionsrefertocertainoptionswithintheMCUthatareprogrammedintothedevice
duringtheprogrammingprocess.Duringthedevelopmentprocess,theseoptionsareselectedusing
theHT-IDEsoftwaredevelopmenttools.Astheseoptionsareprogrammedintothedeviceusing
thehardwareprogrammingtools,oncetheyareselectedtheycannotbechangedlaterusingthe
applicationprogram.Alloptionsmustbedenedforpropersystemfunction,thedetailsofwhichare
showninthetable.
No. Options
1
High Speed System Oscillator Selection
f
H
– HXT or HIRC
2
Low Speed System Oscillator Selection
f
SUB
– LXT or LIRC
3
HIRC Frequency Selection
f
HIRC
– 8MHz, 12MHz or 16MHz
Application Circuits
VDD
VSS
V
DD
PC0/OSC1
PC1/OSC2
OSC
Circuit
PB0/XT1
PB1/XT2
OSC
Circuit
See Oscillator
Section
See Oscillator
Section
AN0~AN7
SCOMn
SSEGm
LCD
Panel
PA0~PA7
PB0~PB6
PC0~PC6
PD0~PD3
0.1µF