Altera JESD204B IP Bedienungsanleitung Seite 94

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Signal Clock Domain Direction Description
txlink_rst_n txlink_clk
Input
Reset for the TX link clock domain logic in the
assembler. This reset is an active low signal and
the deassertion is synchronous to the rising-edge
of txlink_clk.
txframe_rst_n txframe_clk
Input
Reset for the TX frame clock domain logic in the
assembler. This reset is an active low signal and
the deassertion is synchronous to the rising-edge
of txframe_clk.
Signal Clock Domain Direction Description
Between Avalon- ST and Transport Layer
jesd204_tx_
datain[(DATA_BUS_
WIDTH)-1:0]
txframe_clk
Input
TX data from the Avalon-ST source interface.
The source shall arrange the data in a specific
order, as illustrated in the cases listed in TX Path
Data Remapping section
jesd204_tx_
controlin[(CONTROL_
BUS_WIDTH)-1:0]
txframe_clk Input TX control data from the Avalon-ST source
interface. The source shall arrange the data in a
specific order, as illustrated in the cases listed in
TX Path Data Remapping section
jesd204_tx_data_
valid
txframe_clk
Input
Indicates whether the data from the Avalon-ST
source interface to the transport layer is valid or
invalid.
0—data is invalid
1—data is valid
jesd204_tx_data_
ready
txlink_clk Output Indicates that the transport layer is ready to
accept data from the Avalon-ST source interface.
0—transport layer is not ready to receive data
1—transport layer is ready to receive data
Signal Clock Domain Direction Description
Between Transport Layer and DLL
UG-01142
2015.05.04
TX Path
5-13
JESD204B IP Core Design Guidelines
Altera Corporation
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