One wire bus to RFFE translation system
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United States of America Patent
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Jun 30, 2020
Grant Date -
Sep 7, 2017
app pub date -
Nov 30, 2016
filing date -
Mar 1, 2016
priority date (Note) -
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Abstract
This disclosure relates generally to bus interface systems for mobile user devices. In one embodiment, the bus interface system includes a first bus interface subsystem that operates in accordance with a one wire bus protocol, a second bus interface subsystem that operates in accordance with a Mobile Industry Processor Interface (MIPI) radio frequency front end (RFFE) bus protocol, and a translation bus controller that translates commands between the first bus interface subsystem and the second bus interface system. The translation bus controller is configured to implement cross over bus operations between a master bus controller that operates in accordance with in the one wire bus protocol and a slave bus controller in the second bus interface system. In this manner, the translation bus allows the master bus controller to be the master of different bus systems that operate in accordance with different bus protocols.
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