HDMI Intel® FPGA IP User Guide

ID 683798
Date 3/03/2023
Public

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5.1.20. Avalon Memory-Mapped Demultiplexer

Avalon® memory-mapped demultiplexer demultiplexes a single Avalon slave interface to four Avalon master for I2C Master, HDMI register, AXI4-stream to clocked video converter, and HDCP (for future use) based on the respective address offset. The slave on the Avalon memory-mapped demultiplexer is operating at word addressing.
Master Address Offset Size

(double-word)

Description
HDMI I2C Master 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