EDN (July 15, 2013)
Like everything else in Silicon Valley, PCIe (peripheral component interconnect express) is goinâ mobile (cue up The Who). The big news at the June PCIe Special Interest Group Developers Conference was âmobile express,â M-PCIe.
The advantages of consolidating interconnect technology include the usual driversâcheaper to develop, fast as you want, fewer specifications for developers to master, better power managementâand you wonât need new drivers because every operating system already supports PCIe.
The essential ingredient to M-PCIe is incorporation of MIPIâs physical layer, M-PHY. Itâs conceptually simple: replace the PCIe PHY layer with M-PHY and retain the rest of the PCIe protocol stackâdata link layer, transaction layer, software layers and so forth.
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