Altera JESD204B IP Manual do Utilizador Página 108

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Signal Clock Domain Direction Description
Between Avalon- ST and Transport Layer
jesd204_rx_
dataout[(OUTPUT_BUS_
WIDTH)-1:0]
rxframe_clk
Output
RX data to the Avalon-ST source interface. The
transport layer arranges the data in a specific
order, as illustrated in the cases listed in RX Path
Data Remapping section.
jesd204_rx_
controlout[CONTROL_
BUS_WIDTH -1:0]
rxframe_clk Output RX control data to the Avalon-ST source
interface. The transport layer arranges the data in
a specific order, as illustrated in the cases listed in
RX Path Data Remapping section.
jesd204_rx_data_
valid
rxframe_clk
Output
Indicates whether the data from the transport
layer to the Avalon-ST sink interface is valid or
invalid.
0—data is invalid
1—data is valid
jesd204_rx_data_
ready
rxframe_clk Input
Indicates that the Avalon-ST sink interface is
ready to accept data from the transport layer.
0—Avalon-ST sink interface is not ready to
receive data
1—Avalon-ST sink interface is ready to receive
data
Signal Clock Domain Direction Description
Between Transport Layer and DLL
jesd204_rx_link_
datain[(L*32)-1:0]
rxlink_clk Input Indicates received data from the DLL to the
transport layer, where four octets are packed into
a 32-bit data width per lane. The data format is
big endian. The table below illustrates the data
mapping for L = 4:
jesd204_rx_link_datain [x:y] Lane
[31:0] 0
[63:32] 1
[95:64] 2
[127:96] 3
Connect this signal to the RX DLL jesd204_rx_
link_data[] output pin.
UG-01142
2015.05.04
RX Path
5-27
JESD204B IP Core Design Guidelines
Altera Corporation
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