HDMI Intel® FPGA IP User Guide

ID 683798
Date 3/07/2025
Public
Document Table of Contents

5.1.21. Avalon Memory-Mapped Demultiplexer

Avalon® memory-mapped demultiplexer demultiplexes a single Avalon agent interface to four Avalon hosts for I2C Controller, HDMI register, AXI4-stream to clocked video converter, and HDCP-based on the respective address offset. The agent on the Avalon memory-mapped demultiplexer uses word addressing.
Master Address Offset Size

(double-word)

Description
HDMI I2C Controller 0x0000 16 For HDMI DDC channel for accessing external sink SCDC and EDID and for link training function
AXI4-stream to clocked video converter 0x0010 512 Control and status register on AXI4-stream to clocked video converter
HDCP register 0x0210 256 Reserved for HDCP registers
HDMI register 0x0310 256 Control and status register on HDMI core