Pre-Adders in the DSP Block - 2024.1 English

Vivado Design Suite User Guide: Synthesis (UG901)

Document ID
UG901
Release Date
2024-05-30
Version
2024.1 English

When coding for inference and targeting the DSP block, it is recommended to use signed arithmetic and it is a requirement to have one extra bit of width for the pre-adder result so that it can be packed into the DSP block.