Self referenced single-ended chip to chip communication

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United States of America Patent

PATENT NO 11750325
APP PUB NO 20210099252A1
SERIAL NO

16933449

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Abstract

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A system and method for efficiently transporting data in a computing system are contemplated. In various embodiments, a computing system includes a source, a destination and multiple lanes between them for transporting data. Multiple receivers in the destination has a respective termination resistor connected to a single integrating capacitor, which provides a reference voltage to the multiple receivers. The receivers reconstruct the received data by comparing the corresponding input signals to the reference voltage. The source includes a table storing code words. The source maps a generated data word to a code word, which is sent to the destination. The destination maps the received code word to the data word. The values of the code words are selected to maintain a nearly same number of Boolean ones on the multiple lanes over time as a number of Boolean zeroes.

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Patent Owner(s)

Patent OwnerAddress
APPLE INCCUPERTINO CA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fang, Emerson S Fremont, US 37 1600
Leibowitz, Brian S San Francisco, US 131 1757
Savoj, Jafar Sunnyvale, US 73 738
Singh, Praveen R Sunnyvale, US 3 3

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