莂英文原文薀Description薇Theat89s52isalow-power,high-performanceCMOS8-puterwith4KbytesofFlashProgrammableandErasableReadOnlyMemory(PEROM)’patiblewiththeindustrystandardMCS-51™-hip,:patiblewithMCS-51™Products莇•4KBytesofIn-SystemReprogrammableFlashMemory蚅•Endurance:1,000Write/EraseCycles节•FullyStaticOperation:0Hzto24MHz袃•Three-LevelProgramMemoryLock莈•128x8-BitInternalRAM肈•32ProgrammableI/OLines袆•Two16-BitTimer/Counters莀•SixInterruptSources蒀•ProgrammableSerialChannel膆•LowPowerIdleandPowerDownModes莅肀芇Theat89s52providesthefollowingstandardfeatures:4KbytesofFlash,128bytesofRAM,32I/Olines,two16-bittimer/counters,afivevectortwo-levelinterruptarchitecture,afullduplexserialport,on-,,timer/counters,:-bitopendrainbidirectionalI/,.薁Port0alsoreceivesthecodebytesduringFlashprogramming,-bitbidirectionalI/.Asinputs,Port1pinsthatareexternallybeingpulledlowwillsourcecurrent(IIL)becauseofthein
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