89C55 PDF 데이터시트 검색

AT89C55 Features Compatible with MCS-51™ Products 20K Bytes of In-System Reprogrammable Flash Memory Endurance: 1,000 Write, Erase Cycles Fully Static Operation: 0 H- to 33 MH- Three-Level Program Memory Lock 256 x 8-bit Internal RAM 32 Programmable I, O Lines Three 16-bit Timer, Counters Eight Interrupt Sources Low Power Idle and Power Down Modes Description The AT89C55 is a low-power, high-performance CMOS 8-bit microcomputer with 20K bytes of Flash programmable and erasable read