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        參數(shù)資料
        型號: LFEC40E-5T100C
        廠商: Lattice Semiconductor Corporation
        英文描述: LatticeECP/EC Family Data Sheet
        中文描述: LatticeECP / EC的系列數(shù)據(jù)手冊
        文件頁數(shù): 20/117頁
        文件大小: 557K
        代理商: LFEC40E-5T100C
        2-17
        Architecture
        Lattice Semiconductor
        LatticeECP/EC Family Data Sheet
        MULTADD sysDSP Element
        In this case, the operands A0 and B0 are multiplied and the result is added/subtracted with the result of the multi-
        plier operation of operands A1 and A2. The user can enable the input, output and pipeline registers. Figure 2-20
        shows the MULTADD sysDSP element.
        Figure 2-20. MULTADD
        MULTADDSUM sysDSP Element
        In this case, the operands A0 and B0 are multiplied and the result is added/subtracted with the result of the multi-
        plier operation of operands A1 and B1. Additionally the operands A2 and B2 are multiplied and the result is added/
        subtracted with the result of the multiplier operation of operands A3 and B3. The result of both addition/subtraction
        are added in a summation block. The user can enable the input, output and pipeline registers. Figure 2-21 shows
        the MULTADDSUM sysDSP element.
        Multiplier
        x
        Multiplier
        x
        Add/Sub
        n
        m
        m
        n
        m
        n
        m
        n
        n
        m
        m+n
        (default)
        m+n+1
        (default)
        m+n+1
        (default)
        m+n
        (default)
        n
        m
        m
        n
        m
        n
        n
        m
        Multiplier B0
        Multiplicand A0
        Multiplier B1
        Multiplicand A1
        Signed
        Shift Register A In
        Shift Register B In
        Shift Register A Out
        Shift Register B Out
        Output
        Addn
        PiPipe
        ReReg
        CLK (CLK0,CLK1,CLK2,CLK3)
        CE (CE0,CE1,CE2,CE3)
        RST(RST0,RST1,RST2,RST3)
        Input
        Register
        Pipeline
        Register
        Input
        Register
        Pipeline
        Register
        Pipeline
        Register
        Input Data
        Register A
        Input Data
        Register A
        Input Data
        Register B
        Input Data
        Register B
        O
        R
        To Add/Sub
        To Add/Sub
        相關(guān)PDF資料
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        LFEC40E-5T144C LatticeECP/EC Family Data Sheet
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        相關(guān)代理商/技術(shù)參數(shù)
        參數(shù)描述
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