Altera MAX 10 Embedded Multipliers Manual do Utilizador descarregar pdf (Página 8)

All 18-bit multiplier inputs and results are independently sent through registers. The multiplier inputs can

accept signed integers, unsigned integers, or a combination of both. Also, you can dynamically change the

signa and signb signals and send these signals through dedicated input registers.

9-Bit Multipliers

You can configure each embedded multiplier to support two 9 × 9 independent multipliers for input

widths of up to 9 bits.

The following figure shows the embedded multiplier configured to support two 9-bit multipliers.

Figure 2-3: 9-Bit Multiplier Mode

CLRN

D Q

ENA

Data A 0 [8..0]

Data B 0 [8..0]

aclr

clock

ena

signa

signb

CLRN

D Q

ENA

CLRN

D Q

ENA

Data Out 0 [17..0]

9 x 9 Multiplier

Embedded Multiplier

CLRN

D Q

ENA

Data A 1 [8..0]

Data B 1 [8..0]

CLRN

D Q

ENA

CLRN

D Q

ENA

Data Out 1 [17..0]

9 x 9 Multiplier

All 9-bit multiplier inputs and results are independently sent through registers. The multiplier inputs can

accept signed integers, unsigned integers, or a combination of both.

2-4

9-Bit Multipliers

UG-M10DSP

2014.09.22

Altera Corporation

Embedded Multipliers Features and Architecture

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