HDMI 1.4/2.0 TX Subsystem
28
PG235 October 4, 2017
Chapter
2:
Product Specification
Video Input Stream Interface
This HDMI 1.4/2.0 Transmitter Subsystem is supporting two types of video input stream
interfaces, which eventually is mapped to HDMI 1.4/2.0 Transmitter Subsystem VIDEO_IN
interface.
• AXI4-Stream Video interface
• Native Video Interface
shows the signals for AXI4-Stream video input streaming interface. This interface
is an AXI4-Stream slave interface and runs at the
s_axis_video_aclk
clock rate. The
data width is user-configurable in the Vivado IDE by setting
Max Bits Per Component
(BPC) and
Number of Pixels Per Clock on Video Interface
(PPC).
Native Video Input Interface
shows the signals for Native video input interface. This interface is a standard
video interface and runs at
video_clk
clock rate. The data width is user-configurable in
the Vivado IDE by setting
Max Bits Per Component
(BPC) and
Number of Pixels Per Clock
on Video Interface
(PPC).
Table
2
‐
2:
Video Input Stream Interface
Name
Direction
Width
Description
s_axis_video_aclk
Input 1
AXI4-Stream
clock
s_axis_video_aresetn
Input 1
Reset
(Active-Low)
VIDEO_IN_tdata
Input 3*BPC*PPC Data
VIDEO_IN_tlast
Input
1
End of line
VIDEO_IN_tready
Output
1
Ready
VIDEO_IN_tuser
Input
1
Start of frame
VIDEO_IN_tvalid
Input
1
Valid
Table
2
‐
3:
Native Video InputInterface
Name
Direction
Width
Description
video_clk
Input 1
Video
clock
VIDEO_IN_active_video
Input
1
Active video
VIDEO_IN_data
Input
3*BPC*PPC Data
VIDEO_IN_hsync
Input
1
Horizontal sync