Single pair PHY with auto-negotiation
First Claim
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1. An apparatus, comprising:
- a physical layer (PHY) transceiver configured to communicate over a single twisted pair channel; and
a setup logic configured to control the PHY transceiver to initiate an auto-negotiation sequence over the single twisted pair channel with a remote device upon detecting a transmission from the remote device on the single twisted pair channel, wherein the auto-negotiation sequence i) utilizes a half-duplex mode for both sending and receiving on the single twisted pair channel, and ii) includes an exchange, with the remote device, of parameters that identify properties of the apparatus and the remote device.
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Abstract
Systems, methods, and other embodiments associated with auto-negotiating over a single pair PHY are described. According to one embodiment, an apparatus includes a physical layer (PHY) transceiver configured to communicate over a single twisted pair channel. The apparatus includes a setup logic configured to control the PHY transceiver to initiate an auto-negotiation sequence over the single twisted pair channel with a remote device upon detecting a transmission from the remote device on the single twisted pair channel. The auto-negotiation sequence includes an exchange of parameters with the remote device using a half-duplex mode to communicate on the single twisted pair channel.
76 Citations
20 Claims
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1. An apparatus, comprising:
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a physical layer (PHY) transceiver configured to communicate over a single twisted pair channel; and a setup logic configured to control the PHY transceiver to initiate an auto-negotiation sequence over the single twisted pair channel with a remote device upon detecting a transmission from the remote device on the single twisted pair channel, wherein the auto-negotiation sequence i) utilizes a half-duplex mode for both sending and receiving on the single twisted pair channel, and ii) includes an exchange, with the remote device, of parameters that identify properties of the apparatus and the remote device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method, comprising:
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initiating an auto-negotiation sequence from a first device with a second device over a single twisted pair channel upon detecting a transmission from the second device on the single twisted pair channel, wherein the auto-negotiation sequence i) utilizes a half-duplex mode for both sending and receiving on the single twisted pair channel, and ii) is an exchange, with the remote device, of parameters that identify properties of the apparatus and the remote device; and changing from the half-duplex mode to a dual-duplex mode to establish, by the first device, a connection over the single twisted pair channel based, at least in part, on the parameters from the auto-negotiation sequence. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An integrated circuit, comprising:
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a transceiver configured to communicate over a single twisted pair channel; a controller configured to control the transceiver to initiate an auto-negotiation sequence over the single twisted pair channel with a remote device upon detecting a transmission from the remote device on the single twisted pair channel, wherein the auto-negotiation sequence i) utilizes a half-duplex mode for both sending and receiving on the single twisted pair channel, and ii) is an exchange, with the remote device, of parameters that identify properties of the apparatus and the remote device; and a duplex logic configured to control the transceiver to switch from the half-duplex mode to a dual-duplex mode to establish a connection over the single twisted pair channel based, at least in part, on the parameters from the auto-negotiation sequence. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification