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MITSUBISHI MICROCOMPUTERSMSM80C49-XXXP/MSM80C39P-6SINGLE-CHIP a-BIT CMOS MICROCOMPUTERPIN DESCRIPTIONVssPinVee--STBYGroundNameMain power supplyStandbyTo Test pin 0Xl, X 2RESETCrystal inputsReset- SS Single stepĪNTEAInterruptExternal access- RO Read controlPSEN-WRALEProgram store enableWrite control0 0 -0 7 Data busP2o:""'P2 7 Port 2PROGPl o-P1 7TlAddress latch enableProgramPort ITest pin IInput or outputInputInputOutputInputInputInputInputInputOutputOutputOutputOutputInput/outputInput/outputOutputInput/outputOutputInput/outputInputNormally connected to ground (OV).Connected to 5V power supply.FunctionCDConnected t05V power supply during normal operation.~Used when entering the standby mode. Power dissipation is reduced by connecting this to OV.CDControl signal from an external source for conditional jumping in a program. Jumping is dependent onexternal conditions (JTO/JNTO).~Used for outputting the internal clock signal (ENTO CLK).External crystal oscillator or RC circuit input for generating internal clock signals.An external clock signal can be input through Xl or X2.Control used to initialize the CPU.Control signal used in conjunction with ALE to stop the CPU through each instruction, in the single-stepmode.CDControl signal from an external source for conditional jumping in a program. Jumping is dependent onexternal conditions (JNI).~Used for external interrupt to CPU.CDN ormally maintained at OV.~When the level is raised to 5V, external memory will be accessed even when the address is less than40016 (2048). The M5M80C39P is raised t05V.Read control signal used when the CPU requests data from external data memory or external device tobe transferred to the data bus.(MOVX A, @Rr, and INS A, BUS)Strobe signal to fetch external program memory.Write control signal used when the CPU sends data through the data bus to external data memory or externaldevice.(MOVX @Rr, A and OUTL BUS, A)A signal used for latching the address on the data bus. An ALE signal occurs once during each cycle.CDProvides true bidirectional bus transfer of instructions and data between the CPU and external memory.Synchronizing is done with signals RD/WR. The output data is latched.~When using external program memory, the output of the low-order 8 bits of the program counter aresynchronized with ALE. After that, the transfer of the instruction code or data from the external program--memory is synchronized with PSEN.@The output of addresses for data using the external data memory is synchronized with ALE. After that,the transfer of data with the external data: memory is synchronized with RD/WR.(MOVX A, @R r , and MOVX @R r , A)'CDQuasi-bidirectional port. When used as an input port, FF16 must first be output to this port. After reset,when not used as an output port, nothing needs to be output.~P20-P23 output high-order 4 bits of the program counter when using external program memory.@P20-P23 serve as a 4-bit I/O expander bus for the M5M82C43P.Strobe signal for M5M82C43P I/O expander.Quasi-bidirectional port. When used as an input port, FF16 must first be output to this port. After reset,when not used as an output port, nothing needs to be output.CDControl signal from an external source for conditional jumping in a program. Jumping is dependent onexternal conditions (JTI/JNTl).~When enabled, event signals are transferred to the timer/event counter (STRT CNT).II• MITSUBISHI"ELECTRIC4-45
MITSUBISHI MICROCOMPUTERSMSM80C49-XXXP IMSM80C39P-6SINGLE-CHIP 8-BIT CMOS MICROCOMPUTERABSOLUTE MAXIMUM RATINGSSymbol Parameter Condtions LimitsVee Supply voltage Vss-0.3- 7VI Input voltage V ss - O. 3-Vee + 0.3Vo Output voltage Vss-0.3- Vee+ 0 . 3Pd Power dissipation Ta~25·C 1.5Topr Operating free·air temperature range -40-85Tstg Storage temperature range -65-150UnitVVVW"C"CRECOMMENDED OPERATING CONDITIONS (Ta~-40-85·C, unless otherwise noted)LimitsSymbol Parameter UnitMin Typ MaxVee Supply voltage 4.5 5 5.5 VVss Supply voltage 0 VVIHl High·level input voltage, except EA. RE5ET. Xl. X2 0.7 X Vee Vee VVIH2 High·level input voltage, EA. RE5ET. Xl. X2 0.8xVce Vee VVIL Low·level input voltage, except EA. RE5E T. Xl. X2 VSS 0.3 X Vee VVIL Low·levelinputvoltage, EA, RESET. Xl. X2 VSS 0. 2XVee VELECTRICAL CHARACTERISTICS (Ta= -40-85·C. Vec=5V ± 10%. VSS =OV, unless otherwise noted)Symbol Parameter Test conditionsMinLimitsTypMaxUnitVOL Low·level output voltage IOL=2mA0.45VVOHl High·level output voltage, except PI 0- P17, P2 0- P2 7 I OH = -400pA O.75XVCCVVOH2 High·level output voltage, PI 0- P 1 7, P 20- P 2 7 IOH=-lpA O.75XVccVII Input current, Tl.INT. 55. EA. STBY VSS~VIN~Vee -1010pAIOZ Output current, BU 5. To , high impedance state VSS~VIN~Vee -1010pAIlL 1 Input current during low level, Port VIL=VSS- 50pAII L2 Input current during low level, R E 5 E T VIL=VSS- 50pAIcC Supply current at 6MHz10mAIcc Supply current during HAL T at 6MHz (Note I)3mAIcc Supply current during 5 TAN D BY (Note 1)10pAVee(STB) Stand by power supply voltage 2VNote 1.BUS, To. TI, EA, S5. STBY, RESET. TNT =Vee or VSSTIMING REQUIREMENT (Ta=-40-85·C. Vcc=5V±10%. VSS =OV, unless otherwise noted)SymbolParameter<strong>Al</strong>ternativesymbolMinLimitsTypMaxUnitteCycle timetey 2.515 psth (PSEN'D)th (R'D)tsu (PSEN' D)tsu (R'D)tsu (A'D)tsu (PROG' D)th (PROG'D)Data hold time after P 5 E NData hold time after RDData setup time after PSENData setup time after R DData setup time after ADDRESSData setu p ti me after PRO GData hold time after PROGtOR 0tOR 0t ROt ROtADt pRtpF 0200 ns200 ns500 ns500 ns950 ns810 ns150 ns4-46• MITSUBISHI..... ELECTRIC
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MITSUBISHI MICROCOMPUTERSCONTENTSDG
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GUIDANCE D
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MITSUBISHI MICROCOMPUTERSDEVELOPMEN
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MITSUBISHI MICROCOMPUTERSORDERING I
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MITSUBISHI MICROCOMPUTERSPACKAGE OU
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MITSUBISHI MICROCOMPUTERSLE,:lTER S
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MITSUBISHI MICROCOMPUTERSLETTER SYM
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MITSUBISHI MICROCOMPUTERSSYMBOLOGYN
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. MITSUBISHI MICROCO.MPUTERSQUALITY
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MITSUBISHI MICROCOMPUTERSPRECAUTION
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MITSUBISHI MICROCOMPUTERSMS0760·XX
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~MITSUBISHI MICROCOMPUTERSMS0760·X
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MITSUBISHI MICROCOMPUTERSMS0760-XXX
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MELPS 740 MICROCOMPUTERSEJ
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MIT~UBISHI MICROCOMPUTERSMS0740-XXX
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. MITSUBISHI MICROCOMPUTERSMS0740-X
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60 16 12 16 A0 16 AOC $A012Absolute
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MITSUBISHI MICROCOMPUTERSMS0740.XXX
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MITSUBISHI MICROCOMPUTERSMSL8243PIN
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MITSUBISHI MICROCOMPUTERSMSM82C43PI
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-----------------~MITSU~ISHI MICROC
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MIC-ROCOMPUTER SUPPORT SYSTEMS
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MITSUBISHI MICROCOMPUTERSPC4000DEBU
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MITSUBISHI MICROCOMPUTERSPC9000CROS
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MITSUBISHI MICROCOMPUTERSPC9001CPMC
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APPENDICES
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MITSUBISHI MICROCOMPUTERSMELPs 760
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MITSUBISHI MICROCOMPUTERSMELPS 740
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CONTACT ADDRESSES FOR FURTHER INFOR
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1984 MITSUBISHI DATA BOOKSINGLE-CHI
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MITSUBISHI MICROCOMPUT~K:'MSL8048-X
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MEMO
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