VITA 46.9: Ensuring mezzanine I/O pinout interoperability for VPX and VPX-REDI

VITA Technologies (VME and Critical Systems) — February 13, 2007

Feature / Discussion: February 2007The emerging VITA 46 (VPX) and VITA 48 (VPX-REDI) bus architecture standards are bringing new life – and faster speeds – to high-performance processing configurations previously untouchable to legacy VME systems. They also provide more I/O pins, giving more freedom in I/O definition to system integrators; however, this increased freedom can result in mezzanine/baseboard incompatibility issues for end users. Now VITA 46.9, a subsidiary specification of VPX, steps into the front line by solving XMC and PMC I/O mapping issues and increasing interoperability among vendors.

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