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mitsubishi - Al Kossow's Bitsavers

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MITSUBISHI MICROCOMPUTERSMSM80S0H-XXXP/MSM8040HPSINGLE-CHIP a-BIT MICROCOMPUTERTIMING DIAGRAMRead from External Data MemoryWrite to External Data Memorytd (ALE-W)ALEALEWR --------------~Itd(AZ-R) tSU(R-D)ADDRESS ~-1BUS _____ ~~====~--~--~£D~AT~A~~---------BUS ----~~===:~--~~@b~~~----------tSU1(A-D)Instruction Fetch from External Program Memory Port 2td(PROG-ALE)ALEPSEN ---------#----~BUStSU 2(A-D)4-38 • MITSUBISHI.... ELECTRIC

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