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4 HDMI Source 2015.05.04 UG-HDMI Send Feedback Subscribe Source Functional Description The HDMI source core provides direct connection to the Transceiver Native PHY through a 10-bit, 20bit, or 40-bit parallel data path. Figure 4-1: HDMI Source Signal Flow Diagram The figure below shows the flow of the HDMI source signals. The figure shows the various clocking domains used within the core. mode vid_clk Video Data Port Video Input Video Resampler V-SYNC WOP Generator TMDS/TERC4 Encoder TMDS Data CC color-depth Multiplexer Auxiliary Control Port Override GCP Default GCP Auxiliary Packet Generator Override AV Default AV Infoframe Auxiliary Packet Generator Override VSI Default VSI Infoframe Auxiliary Packet Generator Clock Domains pp aux_de audio_clk vid_clk ls_clk Multiplexer Auxiliary Data Port 1 Audio Port Audio Encoder Auxiliary Packet Generator Auxiliary Packet Encoder The source core provides four 10-bit, 20-bit or 40-bit parallel data paths corresponding to the 3 color channels and the clock channel. © 2015 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, ENPIRION, MAX, MEGACORE, NIOS, QUARTUS and STRATIX words and logos are trademarks of Altera Corporation and registered in the U.S. Patent and Trademark Office and in other countries. All other words and logos identified as trademarks or service marks are the property of their respective holders as described at www.altera.com/common/legal.html. Altera warrants performance of its semiconductor products to current specifications in accordance with Altera's standard warranty, but reserves the right to make changes to any products and services at any time without notice. Altera assumes no responsibility or liability arising out of the application or use of any information, product, or service described herein except as expressly agreed to in writing by Altera. Altera customers are advised to obtain the latest version of device specifications before relying on any published information and before placing orders for products or services. www.altera.com 101 Innovation Drive, San Jose, CA 95134 ISO 9001:2008 Registered
