
GUI Parameter Parameter Condition Value Description
‘signa’ input controls
the sign (1 signed/0
unsigned)
PORT_SIGNA Input
Representation >
What is the
representation
format for A
inputs? =
Variable
More Options High ‘signa’ input
indicates signed and
low ‘signa’ input
indicates unsigned.
Register ‘signa’ input — Input
Representation >
More Options
On or Off Turn on this option if
you want to enable the
register of ‘signa’
input
Add an extra pipeline
register
— Input
Representation >
More Options
On or Off Turn on this option if
you want to enable the
extra pipeline register
Input Register > What
is the source for clock
input?
SIGN_REG_A Input
Representation >
More Options
Clock0–Clock3 Specifies the source for
clock input.
Input Register > What
is the source for
asynchronous clear
input?
SIGN_ACLR_A Input
Representation >
More Options
• Aclr0–Aclr2
• None
Specifies the source for
asynchronous clear
input.
Pipeline Register >
What is the source for
clock input?
SIGN_
PIPELINE_
REG_A
Input
Representation >
More Options
Clock0–Clock3 Specifies the source for
clock input.
Pipeline Register >
What is the source for
asynchronous clear
input?
SIGN_
PIPELINE_
ACLR_A
Input
Representation >
More Options
• Aclr0–Aclr2
• None
Specifies the source for
asynchronous clear
input.
What is the representa‐
tion format for B
inputs?
REPRESENTATI
ONS_B
—
• Signed
• Unsigned
• Variable
Specifies the represen‐
tation format for B
inputs.
‘signb’ input controls
the sign (1 signed/0
unsigned)
PORT_SIGNB Input
Representation >
What is the
representation
format for B
inputs? =
Variable
More Options High ‘signb’ input
indicates signed and
low ‘signb’ input
indicates unsigned.
Register ‘signb’ input — Input
Representation >
More Options
On or Off Turn on this option if
you want to enable the
register of ‘signb’
input
Add an extra pipeline
register
— Input
Representation >
More Options
On or Off Turn on this option if
you want to enable the
extra pipeline register
5-2
ALTMULT_ACCUM Parameter Settings
UG-M10DSP
2014.09.22
Altera Corporation
ALTMULT_ACCUM (Multiply-Accumulate) IP Core References
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