lfe2-12e-5qn208 Lattice Semiconductor Corp., lfe2-12e-5qn208 Datasheet - Page 26
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lfe2-12e-5qn208
Manufacturer Part Number
lfe2-12e-5qn208
Description
Latticeecp2/m Family Data Sheet
Manufacturer
Lattice Semiconductor Corp.
Datasheet
1.LFE2-12E-5QN208.pdf
(386 pages)
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Lattice Semiconductor
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
Multiplicand
Multiplier
Signed A
Signed B
Shift Register B Out
Shift Register B In
n
Input Data
Register B
n
n
n
Register
Register
Input
Input
m
Register A
Input Data
m
m
Shift Register A Out
m
Shift Register A In
2-23
Multiplier
Multiplier
m
n
To
To
Multiplier
Register
Pipeline
x
CLK (CLK0,CLK1,CLK2,CLK3)
CE (CE0,CE1,CE2,CE3)
RST(RST0,RST1,RST2,RST3)
LatticeECP2/M Family Data Sheet
(default)
m+n
m+n
Output
Architecture
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