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US 10,312,967 B2Granted
System and method for cross-talk cancellation in single-ended signaling
AssigneeNVIDIA Corporation
InventorXi Chen
Life of this patent
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Abstract
A method for transmitting data advantageously reduces cross-talk in high-speed data transmission. The method comprises receiving an input data word, encoding the input data word into a code word, and driving the code word on to an interconnect for transmission. The code word is generating using a balanced coding scheme, and the interconnect is a single-ended, twisted-wire on-chip fly-over interconnect. A receiver circuit decodes the code word to generate an output data word.
Claims19
A method, comprising:
- receiving an input data word for transmission, wherein the input data word includes two or more independent bits of digital data;
- encoding the input data word into a code word;
- and
- driving the code word, by a data transmitter circuit within a first region of a single integrated circuit die, on to an interconnect for transmission to a data receiver circuit within a second region of the single integrated circuit die, wherein the interconnect is a single-ended, twisted-wire on-chip fly-over interconnect between the first and second regions within the single integrated circuit die and comprises a double-twist structure at each boundary, and
- the interconnect includes signal wires corresponding to bits comprising the code word, wherein the double-twist structure twists a first signal wire up at least one lane and twists a second signal wire down two lanes.
2 more elements
A system, comprising:
- a single integrated circuit die fabricated to include:
- an interconnect, wherein the interconnect is a single-ended, twisted-wire on-chip fly-over interconnect between a first region and a second region within the single integrated circuit die and comprises a double-twist structure at each boundary;
- and
- a data transmitter circuit within the first region of the single integrated circuit die, configured to:
- receive an input data word for transmission, wherein the input data word includes two or more independent bits of digital data;
- encode the input data word into a code word;
- and
- drive the code word on to the interconnect for transmission, wherein the interconnect includes signal wires corresponding to bits comprising the code word and the double-twist structure twists a first signal wire up at least one lane and twists a second signal wire down two lanes;
- and
- a data receiver circuit fabricated within the second region of the single integrated circuit die and coupled to the interconnect to receive the code word.
7 more elements
An apparatus, comprising:
- a single integrated circuit die fabricated to include:
- an interconnect, wherein the interconnect is a single-ended, twisted-wire on-chip fly-over interconnect between a first region and a second region within the single integrated circuit die and comprises a double-twist structure at each boundary;
- and
- a data transmitter circuit within a first region of the single integrated circuit die, configured to:
- receive an input data word for transmission, wherein the input data word includes two or more independent bits of digital data;
- encode the input data word into a code word;
- and
- drive the code word on to the interconnect for transmission, wherein the interconnect includes signal wires corresponding to bits comprising the code word and the double-twist structure twists a first signal wire up at least one lane and twists a second signal wire down two lanes;
- and
- a data receiver circuit that is configured to receive the code word that is transmitted through the interconnect.
7 more elements
Dependencies are inferred from the claim text.