參數資料
型號: LFECP10E-3T100C
廠商: Lattice Semiconductor Corporation
英文描述: LatticeECP/EC Family Data Sheet
中文描述: LatticeECP / EC的系列數據手冊
文件頁數: 20/117頁
文件大小: 557K
代理商: LFECP10E-3T100C
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PDF資料
PDF描述
LFECP10E-3T100I LatticeECP/EC Family Data Sheet
LFECP10E-3T144C LatticeECP/EC Family Data Sheet
LFECP10E-3T144I LatticeECP/EC Family Data Sheet
LFECP10E-4F256C LatticeECP/EC Family Data Sheet
LFECP10E-4F256I LatticeECP/EC Family Data Sheet
相關代理商/技術參數
參數描述
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LFECP10E-3TN100C 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:LatticeECP/EC Family Data Sheet
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