Altera Integer Arithmetic IP User Manual

Page 93

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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

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.

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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