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Altmult_accum (multiply-accumulate), Altmult_accum (multiply-accumulate) -1 – Altera Integer Arithmetic IP User Manual

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ALTMULT_ACCUM (Multiply-Accumulate)

8

2014.12.19

UG-01063

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The ALTMULT_ACCUM megafunction allows you to implement a multiplier-adder.
The following figure shows the ports for the ALTMULT_ACCUM megafunction.

Figure 8-1: ALTMULT_ACCUM Ports

dataa[]

inst

ALTMULT_ACCUM

sourcea

scanina[]

scanouta[]

signa

datab[]

scaninb[]

sourceb

signb

accum_sload

accum_sload_upper_data[]

addnsub

mult_round

mult_saturation

clock0

ena0

clock1

ena1

clock2

ena2

clock3

ena3

scanoutb[]

result[]

overflow

mult_is_saturated

accum_is_saturated

aclr0

aclr1

aclr2

aclr3

datac[]

coefsel[]

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