Source Core
R
Following this example are two tables showing the mapping between the packet status signals on the user interface and
Table
Data Written to the | SrcFFClk |
| Data Transmitted on the |
| TDClk | |
Source FIFO | FIFO Control Bit | TCtl | ||||
Cycle | cycle | |||||
(SrcFFData[63:0]) |
| (TDat [15:0]) |
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SrcFFData[63:0] = | 1 | SrcFFSOP = 1 | N/A | N/A | n | |
[F1E2.D3C4.B5A6.9F8E] |
| SrcFFEOP = 0 |
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| SOP | 1 | n+1 | |||
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| SrcFFMOD = 000 | ||||
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| b:[1001.0000.0010.pppp] |
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| SrcFFAddr = 0000.0010 |
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| 0 | n+2 | |||
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| SrcFFErr = 0 | ||||
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| F1E2 |
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| 0 | n+3 | ||
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| D3C4 |
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SrcFFData[63:0] = | 2 | SrcFFSOP= 0 | 0 | n+4 | ||
[1F2E.3D4C.5B6A.F9E8] |
| SrcFFEOP = 0 | B5A6 |
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| SrcFFMOD = 000 |
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| 0 | n+5 | |||
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| SrcFFAddr = 0000.0010 | ||||
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| 9F8E |
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| SrcFFErr = 0 |
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| 0 | n+6 | |||
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| 1F2E |
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| 0 | n+7 | ||
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| 3D4C |
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SrcFFData[63:0] | 3 | SrcFFSOP= 0 | 0 | n+8 | ||
[ABCD.1200.0000.0000] |
| SrcFFEOP=1 | 5B6A |
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| SrcFFMOD = 011 |
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| 0 | n+9 | |||
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| SrcFFAddr = 0000.0010 | ||||
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| F9E8 |
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| SrcFFErr = 0 |
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| 0 | n+10 | |||
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| ABCD |
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| 0 | n+11 | ||
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| 1200 |
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| 4 |
| EOP / MOD | 1 | n+12 | |
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| b:[0110.0000.0010.pppp] |
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| www.xilinx.com | 79 |
UG181 June 27, 2008