Quartus® Prime Pro Edition User Guide: Platform Designer
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Ixiasoft
Visible to Intel only — GUID: hto1743457187774
Ixiasoft
6.12.6.5. Dataflow with Width Adaptation Examples
The following examples show dataflow with width adaptations considerations when using the AXI Streaming Crossbar IP.
Example Characteristics | Description |
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Example 1 |
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Beat #1 | TDATA: 0xABAB_ABAB TLAST: 0 TDEST: 0001 TID: 00 TKEEP: 1111 TUSER: 1010 |
Beat #2 | TDATA:0xCDCD_CDCD TLAST:1 TDEST: 0001 TID:00 TKEEP:1111 TUSER:1011 |
AXI-ST to Avalon-ST Converter Data Flow | |
Beat #1 |
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Beat #2 |
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Data width converter output (up_conversion) |
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Data out of crossbar | Same as "Data width converter output." |
Data width converter output (down_conversion) |
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Avalon Streaming to AXI-Stream output |
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Example Characteristics | Description |
---|---|
Example 2 |
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Beat #1 | TDATA: 256 bits TLAST:0 TDEST:0001 TID: 01 TKEEP: all 1s TUSER: 32-bit value TKEEP: 32-bit value all 1s |
Beat #2 | TDATA: 256 bits TLAST:1 TDEST:0001 TID: 01 TKEEP: all 1s TUSER: 32-bit value TKEEP: 32-bit value all 1s |
AXI-ST to Avalon-ST Converter Output | |
Beat #1 |
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Beat #2 |
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Data width converter | Not needed at ingress. |
Data out of crossbar | 256-bit |
Data width converter output |
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Avalon Streaming to AXI-Stream output | |
Beat #1 |
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Beat #2 |
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Beat #3 |
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Beat #4 |
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