HT46R14A General Description
HT46R14A Maximum Ratings
SupplyVoltage...........................VSS- 0.3V to VSS +6.0V
InputVoltage..............................VSS-0.3V to V DD+0.3V
IOLTotal..............................................................150mA
TotalPowerDissipation.....................................500mW
StorageTemperature............................-50 to125
OperatingTemperature...........................-40 to85
IOHTotal............................................................-100mA
Note:Thesearestressratingsonly.Stressesexceedingtherangespecifiedunder"AbsoluteMaximumRatings" may
causesubstantialdamagetothedevice.Functionaloperationofthisdeviceatotherconditionsbeyondthoselisted
inthespecificationisnotimpliedandprolongedexposuretoextremeconditionsmayaffectdevicereliability.
HT46R14A Features
·Operatingvoltage:
fSYS=4MHz:2.2V~5.5V
fSYS=8MHz:3.3V~5.5V
·21bidirectionalI/Olines
·ThreeinterruptinputsharedwithanI/Oline
·Two8-bitprogrammabletimer/eventcounterswith
overflowinterruptand7-stageprescaler
·Two8-bitprogrammablepulsegenerator-PPG
outputchannelwithprescalerand8-bit
programmabletimercounter,supportingbothactive
loworactivehighoutput
·Twocomparator
·409615programmemory
·1928datamemoryRAM
·IntegratedcrystalandRCoscillator
·WatchdogTimer
·PFDforaudiogeneration
·Power-downandwake-upfunctionsforreduced
powerconsumption
·Upto0.5sinstructioncyclewith8MHzsystem
clockatVDD=5V
·8-levelsubroutinenesting
·8channel9-bitresolutionA/Dconverter
·Twocomparatorswithinterruptfunction
·Bitmanipulationinstruction
·15-bittablereadinstruction
·63powerfulinstructions
·Instructionsexecutedinoneortwomachinecycles
·Lowvoltageresetfunction
·28-pinSKDIP/SOPpackages
HT46R14A Connection Diagram
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