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This page is a technical explanation of the architecture of the [[UniPro]] protocol stack. Readers looking for an overview of the protocol stack, its purpose, usage and status are advised to first read the [[UniPro|main page]] about Unipro.
In mobile-telephone technology, the''' [[UniPro]]<ref name="UniPro1.0">[https://members.mipi.org/mipi-adopters/file/Specifications/Board%20Approved/MIPI%20UniPro%20Specification_v01-00-00.pdf UniPro 1.00 spec], requires an account at the MIPI website</ref> protocol stack''' follows the architecture of the classical [[OSI model|OSI Reference Model]]. In UniPro, the OSI Physical Layer is split into two sublayers: Layer 1 (the actual physical layer) and Layer 1.5 (the PHY Adapter layer) which abstracts from differences between alternative Layer 1 technologies. The actual physical layer is a separate specification as the various PHY options are reused<ref>[http://www.mipi.org/wgoverview.shtml Overview of MIPI specifications], D-PHY is used in the DSI, CSI, and UniPro specifications, M-PHY is used in the UniPro and DigRFv4 specifications</ref> in other [[Mobile Industry Processor Interface|MIPI Alliance]] specifications.
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