Integrated packet bus for multiple devices
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United States of America Patent
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Apr 27, 2004
Grant Date -
N/A
app pub date -
Feb 12, 2001
filing date -
Feb 12, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A communications system includes at least two communications devices, a bus, and a controller for the bus. The communications system may be a riser card, including communications devices such as a DSL device, for example, and a HomePNA device, and the bus can be an integrated packet bus, using an integrated packet bus controller for controlling communications from the computer with the communications devices. The bus supports a communications protocol, which includes a control slot and data slots. Each bit of the control slot selects which of the data slot bits belongs to which of the communications devices. For example, with two communications devices, a 16-bit control slot can be filled with the bit pattern '0000111111111111' which indicates that the first 4 bits of the 16-bit data slot belong to the first communications device and the second 12 bits belong to the second communications device.
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