HT82***9E/HT82***9A--USBMouseEncoder8-BitMCUGeneralDescriptionTheUSBMCUOTPbodyissuitableforUSBmousedevices.Itc***istsofaHoltekhighperformance8-bitMCUcoreforcontrolunit,built-inUSBSIE,2Kx14ROMand96bytesdataRAM.ThemaskversionHT82***9AisfullypinandfunctionallycompatiblewiththeOTPversionHT82***9Edevice.FeaturesFlexibletotalsolutionforapplicati***thatcombinePS/2andlow-speedUSBinterface,suchasmice,joysticks,andmanyothersUSBSpecificationCompliance-ConformstoUSBspecificationV2.0-ConformstoUSBHIDspecificationV2.0Supports1Low-speedUSBcontrolendpointand1interruptendpointEachendpointhas8x8bytesFIFOIntegratedUSBtransceiver3.3VregulatoroutputExternal6MHzor12MHzceramicresonatororcrystal8-bitRISCmicrocontroller,with2K×14EPROM(000H~7FFH)96bytesRAM(20H~7FH)6MHz/12MHzinternalCPUclock4-levelstacksTwo7-bitindirectaddressingregistersOne16-bitprogrammabletimercounterwithoverflowinterrupt(sharedwithPA7,vector0CH)OneUSBinterruptinput(vector04H)HALTfunctionandwake-upfeaturereducepowerc***umptionPA0~PA7,PB4andPB7supportwake-upfunctionInternalPower-Onreset(POR)WatchdogTimer(WDT)12I/Oports16-pinNSOP,18-pinDIP/SOPand20-pinDIP/SOP/SSOP(150mil)package)