Intel® Agilex™ Variable Precision DSP Blocks User Guide

ID 683037
Date 11/17/2022
Public

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6.2.1.5. Pre-adder Constant Mode

In this mode, one multiplier operand derives from the input port, and the other operand derives from the internal coefficient storage. The coefficient storage allows up to 8 preset constants. The coefficient selection signals are coefsel[0..3].

This mode is expressed in the following equation.



The following figure shows the pre-adder constant mode of a multiplier.

Figure 62. Pre-adder Constant Mode