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ECP2 Datasheet(PDF) 26 Page - Lattice Semiconductor

Part # ECP2
Description  LatticeECP2/M Family Data Sheet
PDF  386 Pages
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Manufacturer  LATTICE [Lattice Semiconductor]
Direct Link  http://www.latticesemi.com
Logo LATTICE - Lattice Semiconductor

ECP2 Datasheet(HTML) 26 Page - Lattice Semiconductor

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2-23
Architecture
Lattice Semiconductor
LatticeECP2/M Family Data Sheet
MULT sysDSP Element
This multiplier element implements a multiply with no addition or accumulator nodes. The two operands, A and B,
are multiplied and the result is available at the output. The user can enable the input/output and pipeline registers.
Figure 2-23 shows the MULT sysDSP element.
Figure 2-23. MULT sysDSP Element
Multiplier
x
n
m
m
n
m
n
m
n
n
m
m+n
m+n
(default)
CLK (CLK0,CLK1,CLK2,CLK3)
CE (CE0,CE1,CE2,CE3)
RST(RST0,RST1,RST2,RST3)
Pipeline
Register
Input
Register
Multiplier
Multiplicand
Signed A
Shift Register A In
Shift Register B In
Shift Register A Out
Shift Register B Out
Output
Input Data
Register A
Input Data
Register B
To
Multiplier
Input
Register
Signed B
To
Multiplier



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