BS83A04A-3/BS83A04A-4
8-bit Touch Key Flash MCU
General Description
TheꢀdeviceꢀisꢀaꢀFlashꢀMemoryꢀtypeꢀ8-bitꢀhighꢀperformanceꢀRISCꢀarchitectureꢀmicrocontrollerꢀwithꢀ
fullyꢀintegratedꢀtouchꢀkeyꢀfunctions.Withꢀtheꢀtouchꢀkeyꢀfunctionꢀprovidedꢀinternallyꢀandꢀincludingꢀ
aꢀfullyꢀfunctionalꢀmicrocontrollerꢀasꢀwellꢀasꢀtheꢀconvenienceꢀofꢀFlashꢀMemoryꢀmulti-programmingꢀ
features,ꢀthisꢀdeviceꢀhasꢀallꢀtheꢀfeaturesꢀtoꢀofferꢀdesignersꢀaꢀreliableꢀandꢀeasyꢀmeansꢀofꢀimplementingꢀ
TouchꢀKeysꢀwithinꢀtheirꢀproductꢀapplications.
Theꢀtouchꢀkeyꢀfunctionꢀisꢀcompletelyꢀintegratedꢀeliminatingꢀtheꢀneedꢀforꢀexternalꢀcomponents.ꢀ
Inꢀadditionꢀtoꢀtheꢀflashꢀprogramꢀmemory,ꢀotherꢀmemoryꢀincludesꢀanꢀareaꢀofꢀRAMꢀDataꢀMemory.ꢀ
ProtectiveꢀfeaturesꢀsuchꢀasꢀanꢀinternalꢀWatchdogꢀTimerꢀandꢀLowꢀVoltageꢀResetꢀfunctionsꢀcoupledꢀ
withꢀexcellentꢀnoiseꢀimmunityꢀandꢀESDꢀprotectionꢀensureꢀthatꢀreliableꢀoperationꢀisꢀmaintainedꢀinꢀ
hostileꢀelectricalꢀenvironments.
Theꢀdeviceꢀincludesꢀfullyꢀintegratedꢀlowꢀandꢀhighꢀspeedꢀoscillatorsꢀwhichꢀrequireꢀnoꢀexternalꢀ
componentsꢀforꢀtheirꢀimplementation.ꢀTheꢀabilityꢀtoꢀoperateꢀandꢀswitchꢀdynamicallyꢀbetweenꢀaꢀrangeꢀ
ofꢀoperatingꢀmodesꢀusingꢀdifferentꢀclockꢀsourcesꢀgivesꢀusersꢀtheꢀabilityꢀtoꢀoptimiseꢀmicrocontrollerꢀ
operationꢀandꢀminimiseꢀpowerꢀconsumption.ꢀEasyꢀcommunicationꢀwithꢀtheꢀoutsideꢀworldꢀisꢀ
providedꢀusingꢀtheꢀinclusionꢀofꢀflexibleꢀI/Oꢀprogrammingꢀfeatures,ꢀTimer/EventꢀCountersꢀandꢀmanyꢀ
otherꢀfeaturesꢀfurtherꢀenhanceꢀdeviceꢀfunctionalityꢀandꢀflexibility.
ThisꢀtouchꢀkeyꢀdeviceꢀwillꢀfindꢀexcellentꢀuseꢀinꢀaꢀhugeꢀrangeꢀofꢀmodernꢀTouchꢀKeyꢀproductꢀ
applicationsꢀsuchꢀasꢀinstrumentation,ꢀhouseholdꢀappliances,ꢀelectronicallyꢀcontrolledꢀtoolsꢀtoꢀnameꢀ
butꢀaꢀfew.
Selection Table
Mostꢀfeaturesꢀareꢀcommonꢀtoꢀallꢀdevices,ꢀtheꢀmainꢀdistinguishingꢀfeatureꢀisꢀtheꢀnumberꢀofꢀI/Osꢀandꢀ
TouchꢀKeys.ꢀTheꢀfollowingꢀtableꢀsummarisesꢀtheꢀmainꢀfeaturesꢀofꢀeachꢀdevice.
Internal
Clock
System Program
Clock Memory Memory
Data
8-bit Touch
Timer Key
Part No.
VDD
I/O
LVR Stack Package
BSꢅꢇA04A-ꢇ
BSꢅꢇA04A-4
ꢄ.7V~5.5V
ꢄ.ꢄV~5.5V
ꢄ.55V
ꢅMHz
ꢅMHz
1K×16
96×ꢅ
ꢅ
1
4
4
10MSOP
ꢄ.10V
Block Diagram
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Rev. 1.00
6
�eꢀꢁꢂaꢁꢃ ꢄꢅꢆ ꢄ01ꢇ
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
