Device and Method for Media Access Control

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A method for exchanging signals over a data line, the method comprises:

• granting access to a data line shared by multiple components, and transmitting information over the data line at a transmission rate responsive to a first clock rate;
• determining, before a completion of the transmitting and in response to the transmitted information, when to substantially reduce the clock rate.

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A device comprising:

• multiple components coupled to a data line;
• a media access controller adapted to (i) monitor the data line, while maintaining at least a clock line in a low power mode, (ii) to detect at least one media access request generated by at least one component, (iii) force the at least clock line to exit the low power mode and start a contention prevention period, in response to at least one detected media access request or, and (iv) generate at least one media access grant.

A device comprising:

• at least one component coupled to a data line, and adapted to transmit information over the data line at a transmission rate responsive to a first clock rate;
• a clock signal provider adapted to provide a high frequency clock signal over the clock line and further adapted to determine, before a completion of the transmitting and in response to the transmitted information, when to substantially reduce the clock rate.

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A method for exchanging signals over a data line, the method comprises:

• granting access to a data line, by a media access controller, wherein the data line is shared by multiple components;
• transmitting information over the data line at a transmission rate that is responsive to a clock signal rate, in response to the access grant;
• providing the clock signal over a clock line (440) by the media access controller, wherein the stage of granting comprises monitoring the data line to detect a request to access the data line, and in response increasing the clock signal rate.

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A computer readable medium having stored thereon a set of instructions, the set of instructions, when executed by a media access controller, cause the media access controller to grant access to a data line shared by the media access controller and at least one component, such that a component transmits information over the data line at a transmission rate responsive to a first clock rate and cause the media access controller to determine, before a completion of the transmitting and in response to the transmitted information, when to substantially reduce the clock rate.

A computer readable medium having stored thereon a set of instructions, the set of instructions, when executed by a media access controller, cause the media access controller to grant access to a data line wherein the data line is shared by multiple components, and cause the media access controller to provide a clock signal over a clock line during a transmission of information over the data line at a transmission rate that is responsive to a clock signal rate and to monitor the data line to detect a request to access the data line, and in response increase the clock signal rate.

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