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QUICK REFERENCE GUIDE·-----------------------------• CMOS 8-BIT SINGLE-CHIP MICROCOMPUTER HD6305 SERIESHD6305UO** HD6305VO**Type No. HD63A05UO** HD63A05VO**HD63B05UO** HD63B05VO**1.0 (HD6305UO) 1.0 (HD6305VO)Clock Frequency (MHz) 1.5 (HD63A05UO) 1.5 (HD63A05VO)LSI2.0 (HD63B05UO) 2.0 (HD63B05VO)Characteristics Supply Voltage (V) 5.0 5.0FunctionsOperating Temperature *** (oC) 0-+70 0-+70Package t DP-40 DP·40MemoryROM (k byte) 2 4RAM (byte) 128 192I/O Port 1 31 31I/O Port Input Port 31 - 31 -Output Port - -External 2 2InterruptTimerSCISoft 1 1Timer 2 2Serial 1 1External Memory Expansion - -HD6305XO*HD63A05XO*HD63B05XO*1.0 (HD6305XO)1.5 (HD63A05XO)2.0 (HD63B05XO)5.00-+70DP·64S, FP·6441283255 72121-16Other FeaturesEPROM on the Package TyPe - -Evaluation Ch ip - -HD63P05YO**HD63PA05YO**HD63PB05YO**-• Preliminary •• Under development ••• Wide Temperature Range (-46 - +85 0 C) version is available.t DP; Plastic DIP, FP; Plastic Flat Package12 $ HITACHI