Holtek BS82B12A-3 - Configuration Options

Rev. 1.20 148 January 23, 2015 Rev. 1.20 149 January 23, 2015
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
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
Oscillator Option
1
Low Speed System Oscillator Selection – f
SUB
:
LIRC
LXT
2
HIRC frequency selection:
8MHz
12MHz
16MHz
Note:1.ThelowspeedsystemoscillatorselectionisonlyfortheBS82C16A-3andBS82D20A-3.
2.WhentheHIRChasbeenconguratedatafrequencyshowninthistable,theHIRCS1and
HIRCS0bitsisrecommendedtobesetuptoselectthesamefrequencytokeeptheHIRC
frequencyaccuracyspediedintheA.C.characteristics.