Completer Request (CQ) Interface - 4.4 English

UltraScale Devices Gen3 Integrated Block for PCI Express LogiCORE IP Product Guide (PG156)

Document ID
PG156
Release Date
2023-11-24
Version
4.4 English
Table A-4: Signal mapping of AXI-4 ST Basic Receive Interface to AXI4-ST Enhanced CQ Interface

AXI4-Stream (Basic) Receive Interface Name

AXI4-Stream (Enhanced) CQ Interface Name

Differences

m_axis_rx_tlast

m_axis_cq_tlast

None

m_axis_rx_tdata

(64/128)

m_axis_cq_tdata

(64/128/256)

None

m_axis_rx_tvalid

m_axis_cq_tvalid

None

m_axis_rx_tready

m_axis_cq_tready

None

m_axis_rx_tstrb

m_axis_cq_tkeep and

m_axis_cq_tuser

See m_axis_rx_tstrb (64-Bit Interface Only)

m_axis_rx_tuser

m_axis_cq_tuser and

m_axis_cq_tdata (Descriptor)

See m_axis_rx_tuser

rx_np_ok

No equivalent signal

N/A

rx_np_req

pcie_cq_np_req

None

No equivalent signal

pcie_cq_np_req_count

N/A