
Parameter Name Type Required Description
INPUT_REGISTER_C0 String No Specifies the clock port for
the datac[] operand of the
first multiplier. Values are
UNREGISTERED, CLOCK0,
CLOCK1, and CLOCK2. If
omitted, the default value is
CLOCK0. The value must be
set similar to the value of
INPUT_REGISTER_A0 or set as
UNREGISTERED.
INPUT_REGISTER_C1 String No Specifies the clock port for
the datac[] operand of the
second multiplier. Values are
UNREGISTERED, CLOCK0,
CLOCK1, and CLOCK2. If
omitted, the default value is
CLOCK0. The value must be
set similar to the value of
INPUT_REGISTER_A0 or set as
UNREGISTERED.
INPUT_REGISTER_C2 String No Specifies the clock port for
the datac[] operand of the
third multiplier. Values are
UNREGISTERED, CLOCK0,
CLOCK1, and CLOCK2. If
omitted, the default value is
CLOCK0. The value must be
set similar to the value of
INPUT_REGISTER_A0 or set as
UNREGISTERED.
INPUT_REGISTER_C3 String No Specifies the clock port for
the datac[] operand of the
fourth and corresponding
multiplier. Values are
UNREGISTERED, CLOCK0,
CLOCK1, and CLOCK2. If
omitted, the default value is
CLOCK0. The value must be
set similar to the value of
INPUT_REGISTER_A0 or set as
UNREGISTERED.
MUTIPLIER1_DIRECTION String No Specifies whether the second
multiplier adds or subtracts
its value from the sum.
Values are ADD and SUB. If the
addnsub1 port is used, this
parameter is ignored. If
omitted, the default value is
ADD.
8-14
ALTMULT_ACCUM Parameters
UG-01063
2014.12.19
Altera Corporation
ALTMULT_ACCUM (Multiply-Accumulate)
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