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XMC (VITA 42)


XMC (VITA 42.0-2005) is a specification which defines an open standard for supporting high-speed, switched interconnect protocols on PMC (PCI Mezzanine Card).

Example of an XMC Module with Pn5 and Pn6 connectorsXMC is an open standard for supporting high-speed, switched interconnect protocols on PMC, an existing, widely deployed mezzanine form factor. Supported protocols for XMC form factors include parallel RapidIO, Serial RapidIO, PCI Express, Hypertransport and Aurora. Additional connectors are required for XMC. The Pn5 connector is the primary connector required for x1, x2, x4 and x8 links. A Pn6 connector can be added to support x16.

Utilizing the serial fabric interconnects mentioned above, an XMC module can operate up to several GB/s.

The specifications include:

VITA 42.0 XMC Base Specification
VITA 42.1 XMC Parallel RapidIO Protocol Layer Standard
VITA 42.2 XMC Serial RapidIO Protocol Layer Standard
VITA 42.3 XMC PCI Express Protocol Layer Standard
VITA 42.4 XMC HyperTransport Protocol Layer Standard
VITA 42.5 XMC Aurora Pin Assignment Standard
VITA 42.10 XMC General Purpose IO Standard

Last updated: Apr 01 2008, 07:31PM