Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 11/27/2024
Public
Document Table of Contents

2.3.8. Bridges Features

The following table shows a summary of HPS FPGA bridge features.
Table 36.  HPS-FPGA Bridge Features
HPS-FPGA Bridge Feature FPGA-to-HPS HPS-to-FPGA Lightweight HPS-to-FPGA F2SDRAM
Interface support AMBA 5 ACE5-Lite7 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

7 You can use the Altera ACE5-Lite Cache Coherency Translator IP to connect any AXI or Avalon® memory-mapped FPGA Manager in the fabric to the F2H bridge. For more information about this IP, refer to the Embedded Peripherals IP User Guide .