Audio Embed IP Design Transmits Unstable 3G Video Image

Description

Designs using SDI Audio Embed IP core transmit unstable and flickering 3G video images.

This issue affects all designs using the SDI Audio Embed MegaCore function version 13.1.

Resolution

To work around this problem, set exclusive clock group to aud_clk and vid_clk of the audio_embed block. Add the following line to the audio_embed.sdc file.

set_false_path -to [get keepers {*audio_embed_core:*|g_audio_pair*toggle_meta}]