Altera MAX 10 Embedded Multipliers User Manual
Page 24
Port Name
Required
Description
signa
No
Specifies the numerical representation of the
dataa[]
port. If
the
signa
port is high, the multiplier treats the
dataa[]
port
as signed two's complement. If the
signa
port is low, the
multiplier treats the
dataa[]
port as an unsigned number.
signb
No
Specifies the numerical representation of the
datab[]
port. If
the
signb
port is high, the multiplier treats the
datab[]
port
as signed two's complement. If the
signb
port is low, the
multiplier treats the
datab[]
port as an unsigned number.
Table 5-6: ALTMULT_ACCUM IP Core Output Ports
Port Name
Required
Description
overflow
No
Overflow port for the accumulator.
result[]
Yes
Accumulator output port. The size of the output port depends
on the
WIDTH_RESULT
parameter value.
scanouta[]
No
Output of the first shift register. The size of the output port
depends on the
WIDTH_A
parameter value. When instantiating
the ALTMULT_ACCUM IP core with the MegaWizard Plug-
In Manager, the MegaWizard Plug-In Manager renames the
scanouta[]
port to
shiftouta
port.
scanoutb[]
No
Output of the second shift register. The size of the input port
depends on the
WIDTH_B
parameter value. When instantiating
the ALTMULT_ACCUM IP core with the MegaWizard Plug-
In Manager, the MegaWizard Plug-In Manager renames the
scanoutb[]
port to
shiftoutb
port.
UG-M10DSP
2014.09.22
ALTMULT_ACCUM Ports
5-9
ALTMULT_ACCUM (Multiply-Accumulate) IP Core References
Altera Corporation