Figure 5-2: Mapping of Data Bit and Content Across Various Interfaces (LMF = 112, N = 12, N' = 16, S =
1, T represents the tail bits).
01234567891011
[0]
[0]
[1][2][3][4][5][6][7][8][9][10][11]
[0][1][2][3][4][5][6][7][8][9][10][11]
[0][1][2][3][4][5][6][7][8][9][10][11][0][1][2][3][4][5][6][7][8][9][10][11] TTT TTT
1213141516171819202122232425262728293031
2nd jesd204_tx_datain[11:0]
(Avalon-ST interface to Transport Layer)
2nd jesd204_tx_ctrlin[0]
(Avalon-ST interface to Transport Layer)
[0]
[0]
[0]
[0]
[0]
1st jesd204_tx_ctrlin[0]
(Avalon-ST interface to Transport Layer)
[0]
1st jesd204_rx_ctrlout[0]
(Transport Layer to Avalon-ST Interface)
[0]
2nd jesd204_rx_ctrlout[0]
(Transport Layer to Avalon-ST Interface)
[0][1][2][3][4][5][6][7][8][9][10][11]
2nd jesd204_rx_dataout[11:0]
(Transport Layer to Avalon-ST Interface)
1st jesd204_tx_datain[11:0]
(Avalon-ST interface to Transport Layer)
[0][1][2][3][4][5][6][7][8][9][10][11]
1st jesd204_rx_dataout[11:0]
(Transport Layer to Avalon-ST Interface)
Bit Position
TX to RX Channel
jesd204_tx_link_datain[31:0]
(Transport Layer to Data Link Layer)
[0][1][2][3][4][5][6][7][8][9][10][11][0][1][2][3][4][5][6][7][8][9][10][11] TTT TTT
jesd204_rx_link_datain[31:0]
(Data Link Layer to Transport Layer)
The assembler in the TX path consists of the tail bits dropping, assembling, and multiplexing blocks.
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