AT89C55WD-24AU_AT89C55WD-24JU_AT89C55WD-24PU__规格书_Datasheet_资料.pdf

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8bit Microcontroller with 20K Bytes Flash AT89C55WD Features Compatible with MCS51 Products cid129 20K Bytes of Reprogrammable Flash Memory cid129 Endurance 10000 WriteErase Cycles cid129 4V to 55V Operating Range cid129 Fully Static Operation 0 Hz to 33 MHz cid129 Threelevel Program Memory Lock cid129 256 x 8bit Internal RAM cid129 32 Programmable IO Lines cid129 Three 16bit TimerCounters cid129 Eight Interrupt Sources cid129 Programmable Serial Channel cid129 Lowpower Idle and Powerdown Mo......