• 參數(shù)資料
    型號: GMS90L31
    英文描述: 8-Bit CMOS Microcontrollers(高性價(jià)比的51單片機(jī),片內(nèi)無ROM,128字節(jié)RAM,低電壓)
    中文描述: 8位CMOS微控制器(高性價(jià)比的51單片機(jī),片內(nèi)無光盤,128字節(jié)的RAM,低電壓)
    文件頁數(shù): 13/59頁
    文件大?。?/td> 812K
    代理商: GMS90L31
    CPU
    The GMS90 series is efficient both as a controller and as an arithmetic processor. It has extensive facilities
    for binary and BCD arithmetic and excels in its bit-handling capabilities. Efficient use of program memory
    results from an instruction set consisting of 44% one-byte, 41% two-byte, and 15% three-byte instructions.
    With a 12 MHz crystal, 58% of the instructions are executed in 1.0
    §á
    .
    Special Function Register PSW
    Reset value of PSW is 00H.
    Bit
    CY
    Function
    Carry Flag
    AC
    Auxiliary Carry Flag (for BCD operations)
    F0
    General Purpose Flag
    RS1 RS0
    0 0
    0 1
    1 0
    1 1
    Register Bank select control bits
    Bank 0 selected, data address 00H - 07
    H
    Bank 1 selected, data address 08H - 0F
    H
    Bank 2 selected, data address 10H - 17
    H
    Bank 3 selected, data address 18H - 1F
    H
    OV
    Overflow Flag
    F1
    General Purpose Flag
    P
    Parity Flag
    Set/cleared by hardware each instruction cycle to indicate an odd/even number
    of "one" bits in the accumulator, i.e. even parity.
    CY
    AC
    F0
    RS1
    RS0
    OV
    F1
    P
    7
    6
    5
    4
    3
    2
    1
    0
    MSB
    LSB
    Addr. D0
    H
    Bit No.
    PSW
    8-Bit CMOS Microcontroller
    GMS90 Series
    MAY. 1998
    13
    LG Semicon MCU
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    參數(shù)描述
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