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  • 參數(shù)資料
    型號: M38021M8
    廠商: Mitsubishi Electric Corporation
    英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
    中文描述: 單芯片8位CMOS微機(jī)
    文件頁數(shù): 8/51頁
    文件大?。?/td> 692K
    代理商: M38021M8
    MITSUBISHI MICROCOMPUTERS
    3802 Group
    SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
    8
    FUNCTIONAL DESCRIPTION
    Central Processing Unit (CPU)
    The 3802 group uses the standard 740 family instruction set. Re-
    fer to the table of 740 family addressing modes and machine in-
    structions or the SERIES 740 <Software> User’s Manual for de-
    tails on the instruction set.
    Machine-resident 740 family instructions are as follows:
    The FST and SLW instruction cannot be used.
    The STP, WIT, MUL, and DIV instruction can be used.
    CPU mode register
    The CPU mode register is allocated at address 003B
    16
    .
    The CPU mode register contains the stack page selection bit.
    Fig. 1 Structure of CPU mode register
    CPU mode register
    (
    CPUM : address
    003B
    16
    )
    b7
    b0
    Stack page selection bit
    1 : 1 page
    Not used (return “0” when read)
    Processor mode bits
    b1 b0
    0 0 : Single-chip mode
    1 0 : Microprocessor mode
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