Intel® Stratix® 10 Variable Precision DSP Blocks User Guide

ID 683832
Date 8/13/2021
Public
Document Table of Contents

3.1.1.1. 18 × 18 or 18 × 19 Independent Multiplier

The 18 × 18 or 18 × 19 independent multiplier mode uses the following equations:

resulta = ax * ay

resultb = bx * by

Figure 6. Two 18 × 18 or 18 × 19 Independent Multiplier per Variable Precision DSP Block for Intel® Stratix® 10 Devices

In this figure, the variables are defined as follows:

  • n = 19 and m = 37 for 18 × 19 signed operands
  • n = 18 and m = 36 for 18 × 18 unsigned operands