Altera MAX 10 Embedded Multipliers Manual de usuario descargar pdf (Pagina 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

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Altera MAX 10 Embedded Multipliers Manual de usuario Pagina 24