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Transceiver with HEAC and Ethernet connection

A technology of Ethernet and transceivers, applied in the field of Ethernet, can solve the problems of increased chip area and power consumption

Inactive Publication Date: 2012-05-23
HIMAX MEDIA SOLUTIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, two pairs of physical layer transceiver ports and MAC interface ports will increase chip area and power consumption

Method used

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  • Transceiver with HEAC and Ethernet connection
  • Transceiver with HEAC and Ethernet connection
  • Transceiver with HEAC and Ethernet connection

Examples

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Embodiment Construction

[0078] figure 1 The block diagram of FIG. 1 shows a transceiver with an HDMI Ethernet and Audio Return Channel (HEAC) connection and a wired Ethernet connection according to a first embodiment of the present invention. In this specification, "wired Ethernet" refers to traditional wired Ethernet, such as 10BASE or 100BASE. In this embodiment, the HEAC connection adopts HDMI version 1.4 (or later version), which provides 100BASE (or Fast Ethernet) standard, and the data transfer rate can reach 100 megabits per second; the wired Ethernet connection adopts Fast Ethernet, which Provide 100BASE (100 Mbit / s) and 10BASE (10 Mbit / s) two standards. The invention is also applicable to other (before or after) network standards. For details about HDMI version 1.4, refer to its manual.

[0079] In this embodiment, the transceiver includes a pair of bidirectional HDMI input / output nodes or pads 11A and 11B for transmitting a pair of differential HEAC signals HEAC+ and HEAC−. Active hybri...

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Abstract

The invention provides a transceiver with an Ethernet and audio return channel high having a high-definition multimedia interface (HDMI) and Ethernet connection. An active hybrid and common bias unit transmits a differential transmitting signal and receives a first differential receiving signal. An Ethernet line gate (line gate) implements mating and connection between the first and second differential Ethernet signals, the differential transmitting signals and the second differential receiving signals. An Ethernet physical layer receiving unit receives both or one of the first and second differential receiving signals, and processes the receiving signal at a physical layer.

Description

technical field [0001] The present invention relates to an Ethernet, in particular to a transceiver with a high-definition multimedia interface (HDMI) Ethernet & audio return channel (HEAC) connection and a wired Ethernet connection . Background technique [0002] Ethernet is a widely used computer network technology that can be used to build local area networks. For example, Fast Ethernet or 100BASE-TX can transfer data at rates up to 100 megabits per second. An Ethernet transceiver mainly includes a physical layer (PHY) transceiver port, a medium access control (MAC) interface port, and some upper layer protocol processors. [0003] High-definition multimedia interface (HDMI) is a simple audio / video interface that transmits uncompressed digital data. HDMI version 1.4 also provides an HDMI Ethernet channel (HEC), allowing a 100 Mbit / s Ethernet connection between two HDMI devices. HDMI version 1.4 also provides an audio return channel (ARC), enabling an HDMI device to se...

Claims

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Application Information

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IPC IPC(8): H04L12/28
Inventor 蔡典儒
Owner HIMAX MEDIA SOLUTIONS
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