The Verilog Hardware Interface for CAE

This article describes Convey's various hardware interfaces for use with a CAE (Custom Application Enginer). This should be useful when writing VHDL and developing your own bitfiles. When looking at the sample project, these interfaces can be found in the cae_pers.v file.

Note: Each interface is between a component and your CAE. Inputs are signals sent to your CAE. Outputs are signals your CAE sends to the interface.

Dispatch Interface

Memory Controller Interface

There are 8 memory controllers (MC). Each memory controller has two ports (even and odd). Even ports have signal names with a suffix of _e. Odd ports have a suffix of _o.

Request Port

Response Port

CSR Interface (Optional)

Simply connect the outputs and inputs together if you do not want to use any CSR agents.

References

• Convey PDK Reference Manual (.pdf) - Sections 9.3.2 - 9.3.?