Altera Integer Arithmetic IP - Manual (Page 97)

Parameter Name Type Required Description
PREADDER_DIRECTION_3
String No Specifies whether the pre-
adder of the fourth and
corresponding multiplier
adds or subtracts its value
from the sum. Values are
ADD
and
SUB
. If omitted, the
default value is
ADD
.
COEFFSEL0_REGISTER
String No Specifies the clock source for
the coefficient inputs of the
first multiplier. Values are
UNREGISTERED
,
CLOCK0
,
CLOCK1
, and
CLOCK2
. The
value must be set similar to
the value of
INPUT_
REGISTER_A0
or set as
UNREGISTERED
.
COEFFSEL1_REGISTER
String No Specifies the clock source for
the coefficient inputs of the
second multiplier. Values are
UNREGISTERED
,
CLOCK0
,
CLOCK1
, and
CLOCK2
. The
value must be set similar to
the value of
INPUT_
REGISTER_A0
or set as
UNREGISTERED
.
COEFFSEL2_REGISTER
String No Specifies the clock source for
the coefficient inputs of the
third multiplier. Values are
UNREGISTERED
,
CLOCK0
,
CLOCK1
, and
CLOCK2
. The
value must be set similar to
the value of
INPUT_
REGISTER_A0
or set as
UNREGISTERED
.
COEFFSEL3_REGISTER
String No Specifies the clock source for
the coefficient inputs of the
fourth and corresponding
multiplier. Values are
UNREGISTERED
,
CLOCK0
,
CLOCK1
, and
CLOCK2
. The
value must be set similar to
the value of
INPUT_
REGISTER_A0
or set as
UNREGISTERED
.
8-16 ALTMULT_ACCUM Parameters
UG-01063
2014.12.19
Altera Corporation ALTMULT_ACCUM (Multiply-Accumulate)
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