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docs/library: Update util_axis_fifo_asym documentation
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Signed-off-by: Istvan-Zsolt Szekely <[email protected]>
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IstvanZsSzekely committed Jan 22, 2025
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9 changes: 7 additions & 2 deletions docs/library/util_axis_fifo_asym/index.rst
Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,11 @@ Configuration Parameters
- Enable ``TLAST`` logical port on the AXI streaming interface.
* - TKEEP_EN
- Enable ``TKEEP`` logical port on the AXI streaming interface.
* - FIFO_LIMITED
- Enable the address limit that is set to the FIFO with respect to the
specified address size
* - ADDRESS_WIDTH_PERSPECTIVE
- Sets address size from the perspective of Master (1) or Slave (0)

Interface
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Expand Down Expand Up @@ -157,15 +162,15 @@ ADDRESS_WIDTH, FIFO_LIMITED and ADDRESS_WIDTH_PERSPECTIVE:
is > M_DATA_WIDTH, leading to a smaller FIFO implementation.
- ADDRESS_WIDTH_PERSPECTIVE is 1 and FIFO_LIMITED is 0 - This means that the
address specified is from the perspective of the Master interface. Since
the limit is disable the FIFO size will remain the same if the S_DATA_WIDTH
the limit is disabled the FIFO size will remain the same if the S_DATA_WIDTH
is > M_DATA_WIDTH, leading to a bigger FIFO implementation.
- ADDRESS_WIDTH_PERSPECTIVE is 0 and FIFO_LIMITED is 1 - This means that the
address specified is from the perspective of the Slave interface. Since
the limit is enabled the FIFO size will be reduced if the S_DATA_WIDTH
is < M_DATA_WIDTH, leading to a smaller FIFO implementation.
- ADDRESS_WIDTH_PERSPECTIVE is 0 and FIFO_LIMITED is 0 - This means that the
address specified is from the perspective of the Slave interface. Since
the limit is disable the FIFO size will remain the same if the S_DATA_WIDTH
the limit is disabled the FIFO size will remain the same if the S_DATA_WIDTH
is < M_DATA_WIDTH, leading to a bigger FIFO implementation.

Software Support
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