Variable Precision DSP Blocks User Guide: Agilex™ 5 FPGAs and SoCs

ID 813968
Date 9/20/2024
Public
Document Table of Contents

2.3.6. Dynamic Control Multiplexer Bank for Tensor Mode

The dynamic control multiplexer banks select the correct input operands for accumulator based on configuration settings or input of the acc_en and zero_en dynamic control signals.

Table 15.  Accumulator Input based on Dynamic Control Signal Settings
acc_en Settings zero_en Settings Accumulator Input
0 0

Cascade input (when dsp_chain_tensor is enabled) or scalar input (when dsp_chain_tensor is disabled)

0 1 Zero accumulation
1 0 Accumulation input
1 1 Not supported