Altera Integer Arithmetic IP Manuel d'utilisateur télécharger pdf (Page 93)

Parameter Name Type Required Description

SIGN_PIPELINE_REG_[] String No Parameter [A,B]. Specifies

the clock signal for the

second register on the

corresponding sign[] port.

Values are UNREGISTERED,

CLOCK0, CLOCK1, CLOCK2, and

CLOCK3. If omitted, the

default value is CLOCK0. This

parameter is ignored if the

corresponding sign[] port is

unused.

SIGN_REG_[] String No Parameter [A,B]. Specifies

the clock signal for the first

sign[] port. Values are

UNREGISTERED, CLOCK0,

CLOCK1, CLOCK2, and CLOCK3.

If omitted, the default value is

CLOCK0. This parameter is

ignored if the corresponding

sign[] port is unused.

WIDTH_A Integer Yes Specifies the width of the

dataa[] port.

WIDTH_B Integer Yes Specifies the width of the

datab[] port.

WIDTH_RESULT Integer No Specifies the width of the

result[] port.

Table 8-6: ALTMULT_ACCUM Megafunction Parameters (Stratix II, Stratix II GX, Stratix III, Stratix IV, Arria

GX, and HardCopy devices only)

Parameter Name Type Required Description

MULTIPLIER_SATURATION String No Specifies multiplier

saturation. Values are NO,

YES, and VARIABLE. If

omitted the default value is

NO.

8-12

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 93