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    參數(shù)資料
    型號: M38273EFMXXXHP
    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): 9/70頁
    文件大小: 1112K
    代理商: M38273EFMXXXHP
    9
    SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
    MITSUBISHI MICROCOMPUTERS
    3827 Group
    MEMORY
    Special Function Register (SFR) Area
    The Special Function Register area in the zero page contains con-
    trol registers such as I/O ports and timers.
    RAM
    RAM is used for data storage and for stack area of subroutine
    calls and interrupts.
    ROM
    The first 128 bytes and the last 2 bytes of ROM are reserved for
    device testing and the rest is user area for storing programs.
    Interrupt Vector Area
    The interrupt vector area contains reset and interrupt vectors.
    Zero Page
    Access to this area with only 2 bytes is possible in the zero page
    addressing mode.
    Special Page
    Access to this area with only 2 bytes is possible in the special
    page addressing mode.
    Fig. 7 Memory map diagram
    192
    256
    384
    512
    640
    768
    896
    1024
    1536
    2048
    00FF
    16
    013F
    16
    01BF
    16
    023F
    16
    02BF
    16
    033F
    16
    03BF
    16
    043F
    16
    063F
    16
    083F
    16
    RAM area
    RAM size
    (bytes)
    Address
    XXXX
    16
    4096
    8192
    12288
    16384
    20480
    24576
    28672
    32768
    36864
    40960
    45056
    49152
    53248
    57344
    61440
    F000
    16
    E000
    16
    D000
    16
    C000
    16
    B000
    16
    A000
    16
    9000
    16
    8000
    16
    7000
    16
    6000
    16
    5000
    16
    4000
    16
    3000
    16
    2000
    16
    1000
    16
    F080
    16
    E080
    16
    D080
    16
    C080
    16
    B080
    16
    A080
    16
    9080
    16
    8080
    16
    7080
    16
    6080
    16
    5080
    16
    4080
    16
    3080
    16
    2080
    16
    1080
    16
    ROM area
    ROM size
    (bytes)
    Address
    YYYY
    16
    Address
    ZZZZ
    16
    0100
    16
    0000
    16
    0040
    16
    0054
    16
    0840
    16
    FF00
    16
    FFDC
    16
    FFFE
    16
    FFFF
    16
    XXXX
    16
    YYYY
    16
    ZZZZ
    16
    RAM
    ROM
    Reserved area
    SFR area
    Not used
    Interrupt vector area
    Reserved ROM area
    (128 bytes)
    Zero page
    Special page
    LCD display RAM area
    Reserved ROM area
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