mitsubishi - Al Kossow's Bitsavers

· MITSUBISHI MICROCOMPUTERSMSL8049~XXXP,P';'8,P-6·MSL8039P-ll,P-8,P-6SINGLE·CHIP a·BIT MICROCOMPUTERSWITCHING CHARACTERISTICS (Ta=-20~75·C. Vee = VDD = 5V±10%, Vss = OV, unless otherwise noted)LimitsAI ternative M5LS049-XXXP M5LS049-XXXP-S M5LS049-XXXP-6Symbol Parameter symbol M5LS039-11 (Note 2) M5LS039P-S M5LS039P-6Min Typ Max Min Typ Max Min Typ MaxtW(ALE) ALE pulse width t LL 150 300 400td (A-ALE) Delay time, address to ALE signal tAL 70 120 150tv (ALE-A) Address valid time after ALE t LA 50 70 80tW(PSEN) PSEN pulse width tcc 300 500 700tW(R) RD pulse width tcc 300 500 700td (W) WR pulse width tcc 300 500 700tv (Q-W) Delay time, data to WR signal tow 250 380 500td (W-Q) Data valid time after WR two 40 80 120td (A-W) Delay time, address to WR signal tAW 200 220 230td (AZ-R) Delay time, address disable to RD signal tAFC -10 -5 0td (AZ-PSEN) Delay time, address disable to PSEN signal tAFC -10 -5. 0td (PC-PROG) Delay time, port control to PROG signal tcp 100 105 110tv (PROG-PC) Port control valid time after PROG tpc 60 100 130tp (Q-PROG) Delay time, data to PROG signal top 200 210 220tv (PROG-Q) Data valid time after PROG tpo 20 45 65tW(PROGL) PROG low pulse width tpp 700 1150 1510td (Q-ALE) Delay time, data to ALE signal tpL 150 300 400tv (ALE-Q) Data valid time after ALE t LP 20 100 150UnitnsnsnsnsnsnsnsnsnsnsnsnsnsnsnsnsnsnsNoteConditions of measurement: control output C L =SOpFdata bus output, port output CL =l50pF4 Reference levels for the input/output voltages are low level=O.SV and high level=2V.TIMING DIAGRAMRead from External Data MemoryWrite to External Data MemoryALEALEtW(R)RD-------------;I~~~~----------th (R-O)WR ----------------'1tv (W-Q)BUSDATAInstruCtion Fetch from External Program MemoryPort 2ALEP2g~~~d-'~--~~----~-----J~ ____ ~ __ -n~~~ __ __INPUTtsu (A-D)PROG------------------~~~~~~~~-----4-28•. . MITSUBISHI..... ELECTRIC