Flow control for a multiple flow control unit interface

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United States of America Patent

PATENT NO 11831543
APP PUB NO 20220278924A1
SERIAL NO

17744158

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Abstract

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Implementations of the present disclosure are directed to systems and methods for flow control using a multiple flit interface. A credit return field is used in a credit-based flow control system to indicate that one or more credits are being returned to a sending device from a receiving device. Based on the number of credits available, the sending device determines whether to send device or wait until more credits are returned. The amount of buffer space used by the receiver to store the packet is determined by the number of transfer cycles used to receive the packet, not the number of flits comprising the packet. This is enabled by having the buffer be as wide as the bus. The receiver returns credits to the sender based on the number of buffer rows used to store the received packet, not the number of flits comprising the packet.

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Patent Owner(s)

Patent OwnerAddress
MICRON TECHNOLOGY INCBOISE ID

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brewer, Tony Plano, US 73 889

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