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Adding the HDMI output pin constraints
To connect map the external HDMI pins from the block design to the correct physical pins of the SoC that connect to the HDMI TX port on the Zybo Z7 board, a set of pin constraints (from hardware/zybo_z7_hdmi.xdc) needs to be added to your Vivado project.
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These functions are documented in the library source code, and hdmi_example.c shows how to set up the output and display a basic gradient on the screen.
132321313213213Possible Possible output resolutions are in zybo_z7_hdmi/vga_modes.h - the widescreen monitors in the hardware labs work well with a 1440x900 resolution (this is fine for EMBS).
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