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Verilog HDL: Parallel Fixed Coefficient Soft Multiplier

This design implements 16-bit input, 10-bit fixed coefficient parallel multiplication using M4K RAM blocks as look-up tables (LUTs). For more details on the design, refer to AN 306: Implementing Multipliers in FPGA Devices (PDF).

Download the file(s) used in this example:

The use of this design is governed by, and subject to, the terms and conditions of the Altera Hardware Reference Design License Agreement.

Table 1 shows the Parallel Fixed Soft Multiplier design example port listing.

Table 1. Parallel Fixed Soft Multiplier Port Listing

Port Name

Type

Description

data_in[15..0]

Input

The input is a 16-bit signed value. New data can be sent to the multiplier once every clock cycle.

clock

Input

Clock

sclr

Input

Active high synchronous clear

result[25..0]

Output

The output is a 26-bit signed value. New value is available on the output once every clock cycle.

For more information on using this example in your project, go to:

Design Examples Disclaimer

These design examples may only be used within Altera Corporation devices and remain the property of Altera. They are being provided on an “as-is” basis and as an accommodation; therefore, all warranties, representations, or guarantees of any kind (whether express, implied, or statutory) including, without limitation, warranties of merchantability, non-infringement, or fitness for a particular purpose, are specifically disclaimed. Altera expressly does not recommend, suggest, or require that these examples be used in combination with any other product not provided by Altera.

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