Table: AXI4-Stream Data Interface Signal Descriptions
describes the AXI4-Stream signal names and descriptions.
IMPORTANT:
In
Table: AXI4-Stream Data Interface Signal Descriptions
, TotalDataWidth=data_width*number_of_components*samples_per_clock. The three values correspond to Maximum Data Width, Number of Video Components and Samples Per Clock in GUI, respectively. Refer to
Design Flow Steps
for more information.
Table 2-2:
AXI4-Stream Data Interface Signal Descriptions
Signal Name
|
Direction
|
Width
|
Description
|
s_axis_video_tdata
|
In
|
(TotalDataWidth+7)/8*8
|
Input Video Data
|
s_axis_video_tvalid
|
In
|
1
|
Input Video Valid Signal
|
s_axis_video_tready
|
Out
|
1
|
Input Ready
|
s_axis_video_tuser
|
In
|
1
|
Input Video Start Of Frame
|
s_axis_video_tlast
|
In
|
1
|
Input Video End Of Line
|
s_axi_video_tstrb
|
In
|
s_axis_video tdata/8
|
Input video data strobe indicates whether the content of the associated byte of TDATA is processed as a data byte or a position byte
|
s_axi_video_tkeep
|
In
|
s_axis_video tdata/8
|
Input video byte qualifier that indicates whether the content of the associated byte of TDATA is processed as part of the data stream
|
s_axi_video_tid
|
In
|
1
|
Input video data stream identifier
|
s_axi_video_tdest
|
In
|
1
|
Input video data routing information
|
m_axis_video_tdata
|
Out
|
(TotalDataWidth+7)/8*8
|
Output Video Data
|
m_axis_video_tvalid
|
Out
|
1
|
Output Valid
|
m_axis_video_tready
|
In
|
1
|
Output Ready
|
m_axis_video_tuser
|
Out
|
1
|
Output Video Start Of Frame
|
m_axis_video_tlast
|
Out
|
1
|
Output Video End Of Line
|
m_axi_video_tstrb
|
Out
|
m_axis_video tdata/8
|
Output video data strobe indicates whether the content of the associated byte of TDATA is processed as a data byte or a position byte
|
m_axi_video_tkeep
|
Out
|
m_axis_video tdata/8
|
Output video byte qualifier that indicates whether the content of the associated byte of TDATA is processed as part of the data stream
|
m_axi_video_tid
|
Out
|
1
|
Output video data stream identifier
|
m_axi_video_tdest
|
Out
|
1
|
Output video data routing information
|