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Microcomputer Unit - Index of

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QUICK REFERENCE GUIDE----------------------------• NMOS 8·BIT SINGLE·CHIP MICROCOMPUTER HD6805 SERIESLSICharacteristicsType No.Clock Frequency (MHz)Supply Voltage (V)Operating Temperature *** ( DC)HD6805S11.05.250-+70HD6805S6*HD6805Ul1.0 1.05.25 5.250-+70 0-+10Package tROM (k byte)MemoryRAM (byte)1/0 Port110 Port Input PortOutput PortNestingExternalInterrupt S<strong>of</strong>tTimerSerialDP·281.1642020 --6111-DP-28DP·401.8 264 9620 2420 - 32 8- -6 61 11 11 1- -FunctionsTimer• 8-bit timer with 7-bit prescaler• Event counterSCI-- -Clock Pulse Generator• Resistor• CrystalLow·voltage Automatic Reset (LVI)YesYesYesSelf·check ModeExternal Memory ExpansionAvailable-AvailableAvailable- -Other FeaturesEPROM on the Package TypeCompatibility* Preliminary * * Under development* * * Wide Temperature Range (-40 - +8SoC) version is available.t DP; Plastic DIP-MC6805P2- HD68P05V07MC6805P6 -8 _HITACHI

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