Method and apparatus for data transmission over an AC-97 protocol link
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United States of America Patent
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Oct 5, 2004
Grant Date -
N/A
app pub date -
Sep 29, 2000
filing date -
Sep 29, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An Audio Encoder/Decoder (AC)-97 protocol link is used for concurrent data communication between AC-97 protocol devices and non-AC-97 protocol devices. The Tag data in an AC-97 data frame is used to select specific CODECs and to determine which data time slots to ignore or accept. Since telephone voice and data communication uses only the Tag data and one other of the data frame time slots, eleven slots are available for communication using non-AC-97 protocol devices concurrent with telephony communications. Ethernet, Home Phoneline Network Alliance (HPNA), Attachment Unit Interface (AUI) are some of the data communication protocols that may be employed using embodiments of the present invention. An AC-97 data communication controller may modified with additional logic and control lines to support additional features of non-AC-97 protocol devices.
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