Altera Integer Arithmetic IP Bedienungsanleitung PDF herunterladen (Seite 66)

Parameter Name Type Required Description

INPUT_SOURCE_A[0…3] String No Specifies the data source to the first

multiplier. Values are DATAA and SCANA. If

this parameter is set to DATAA, the adder uses

the values from the dataa[] port. If this

parameter is set to SCANA, the adder uses

values from the scanina[]. If omitted, the

default value is DATAA.

REPRESENTATION_A String No Specifies the numerical representation of the

multiplier input A. Values are UNSIGNED and

SIGNED. When this parameter is set to

SIGNED, the adder interprets the multiplier

input A as a signed number. When this

parameter is set to UNSIGNED, the adder

interprets the multiplier input A as an

unsigned number. If omitted, the default

value is UNSIGNED. If the corresponding

PORT_SIGNA value is USED, this parameter is

ignored. Use the parameter PORT_SIGNA to

access the signa input port for dynamic

control of the representation through the

signa input port.

REPRESENTATION_B

String No Specifies the numerical representation of the

multiplier input B. Values are UNSIGNED and

SIGNED. When this parameter is set to

SIGNED, the adder interprets the multiplier

input B as a signed number. When this

parameter is set to UNSIGNED, the adder

interprets the multiplier input B as an

unsigned number. If omitted, the default

value is UNSIGNED. If the corresponding

PORT_SIGNB value is USED, this parameter is

ignored. Use the parameter PORT_SIGNB to

access the signb input port for dynamic

control of the representation through the

signb input port.

SIGNED_REGISTER_[]

String No Parameter [A, B]. Specifies the clock signal

for the first register on the corresponding

sign[] port. Values are UNREGISTERED,

CLOCK0, CLOCK1, and CLOCK2. If the

corresponding sign[] port value is UNUSED,

this parameter is ignored. If omitted, the

default value is UNREGISTERED. The value

must be set similar to the value of INPUT_

REGISTER_A0 or set as UNREGISTERED.

UG-01063

2014.12.19

ALTERA_MULT_ADD Parameters

6-13

ALTERA_MULT_ADD (Multiply-Adder)

Altera Corporation

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