Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 7/19/2024
Public

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2.3.8. Bridges Features

The following table shows a summary of HPS FPGA bridge features.
Table 35.  HPS-FPGA Bridge Features
HPS-FPGA Bridge Feature FPGA-to-HPS HPS-to-FPGA Lightweight HPS-to-FPGA F2SDRAM
Interface support AMBA 4 AXI4, AMBA 4 ACE-Lite, AMBA 5 AXI5 AMBA 4 AXI4 AMBA 4 AXI4 AMBA 4 AXI4

Implements clock crossing and manages the transfer of data across the clock domains in the HPS logic and the FPGA fabric

Yes Yes Yes Yes

Performs data width conversion between the HPS logic and the FPGA fabric

Yes Yes Yes Yes

Allows configuration of FPGA interface widths at instantiation time

No

256-bit only

Yes

32/64/128-bit

No

32-bit only

Yes

64/128/256-bit