Patent ID: 9489331
Filing Date: 2016-11-08
CPC Classification: G06F,G09G

Claim Text:
1. A system capable of bi-directional data transfer, the system comprising: a host configured to send downstream data to a peripheral and to receive upstream data from the peripheral; a main link comprising d main link lanes coupled to the host and configured to transfer the downstream data from the host to the peripheral; and an auxiliary link coupled to the host and comprising u auxiliary link lanes, one of which being a first auxiliary link lane, for transferring the upstream data from the peripheral to the host in a first mode, and for transferring the downstream data from the host to the peripheral in a second mode, wherein the host is configured to engage in one or more handshake processes with the peripheral to cause the auxiliary link to switch between the first and second modes, wherein d and u are natural numbers, and wherein u is greater than one.