Altera Integer Arithmetic IP User Manual
Page 91
Parameter Name
Type
Required
Description
MULTIPLIER_ACLR
String
No
Specifies the asynchronous
clear signal for the register
immediately following the
multiplier. Values are
ACLR0
,
ACLR1
,
ACLR2
, and
ACLR3
. If
omitted the default value is
ACLR3
.
MULTIPLIER_REG
String
No
Specifies the clock signal for
the register that immediately
follows the multiplier. Values
are
UNREGISTERED
,
CLOCK0
,
CLOCK1
,
CLOCK2
, and
CLOCK3
.
If omitted, the default value is
CLOCK0
.
OUTPUT_ACLR
String
No
Specifies the asynchronous
clear signal for the registers
on the outputs. Values are
ACLR0
,
ACLR1
,
ACLR2
, and
ACLR3
. If omitted the default
value is
ACLR3
.
OUTPUT_REG
String
No
Specifies the clock signal for
the registers on the outputs.
Values are
CLOCK0
,
CLOCK1
,
CLOCK2
, and
CLOCK3
. If
omitted the default value is
CLOCK0
.
PORT_ADDNSUB
String
No
Specifies the usage of the
addnsub
input port. Values
are:
PORT_USED
,
PORT_
UNUSED
, and
PORT_
CONNECTIVITY
(port usage is
determined by checking the
port connectivity.) If omitted
the default value is
PORT_
CONNECTIVITY
.
PORT_SIGNA
String
No
Specifies the usage of the
signa
input port. Values are
PORT_USED
,
PORT_UNUSED
,
and
PORT_CONNECTIVITY
. If
omitted the default value is
PORT_CONNECTIVITY
.
Beginning from Stratix V
devices onwards, the
PORT_
CONNECTIVITY
parameter is
not supported. The default
value is
PORT_UNUSED
.
8-10
ALTMULT_ACCUM Parameters
UG-01063
2014.12.19
Altera Corporation
ALTMULT_ACCUM (Multiply-Accumulate)