Altera Integer Arithmetic IP Manuel d'utilisateur télécharger pdf (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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Altera Integer Arithmetic IP Manuel d'utilisateur Page 97

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