VITA (organization)

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The VITA ( V MEBUS I nternational T rade A ssociation ) is a non-profit organization of vendors and users with a common market interest in modular, real-time embedded systems. VITA became known through the publication of the VMEbus specification in 1994.

Publications

default Surname comment
ANSI / VITA 1-1994 (R2002) VME64 standard
ANSI / VITA 1.1-1997 (R2003) VME64 extensions
ANSI / VITA 1.3-1997 (R2003) VME64 9U x 400 mm format
ANSI / VITA 1.5-2003 2eSST Protocol extension for transferring up to 320 MB / s
ANSI / VITA 1.6-2000 (R2005) Keying for Conduction Cooled VME64x
ANSI / VITA 1.7-2003 Increased Current DIN Connector
ANSI / VITA 4-1995 (R2002) IP modules IndustryPack
ANSI / VITA 4.1-1996 (R2003) IP I / O mapping to VME64x
ANSI / VITA 5.1-1999 (R2004) RACEway Interlink High-speed point-to-point connections in the P2 area
ANSI / VITA 6-1994 (R2002) SCSA Telephony bus in the P2 area
ANSI / VITA 6.1-1996 (R2003) SCSA extensions Extension for ANSI / VITA 6-1994 (R2002)
ANSI / VITA 10-1995 (R2002) SKYchannel Packet switching connections in the P2 area
ANSI / VITA 12-1997 (R2002) M modules Mezzanine modules
ANSI / VITA 13-1995 (W2006) VMEbus Pin Assignment Standard for ISO / IEC 14575 ( IEEE 1355 -1995 (HIC))
ANSI / VITA 17-1998 (R2004) Front panel data port
ANSI / VITA 17.1-2003 Serial front panel data port
VITA 19 BusNet Overview No ANSI standard
ANSI / VITA 19.1-1998 (W2006) BusNet Media Access Control
ANSI / VITA 19.2-1998 (W2006) BusNet Link Layer Control
ANSI / VITA 20-2001 (R2005) CCPMC - Conduction Cooled PMC
ANSI / VITA 23-1998 (R2004) VME64 Extensions for Physics
ANSI / VITA 25-1997 (W2006) VISION Interface for software applications on VME modules
ANSI / VITA 26-1998 (R2003) Myrinet Packet switching connections on VME modules
ANSI / VITA 29-2001 (W2006) PC • MIP Small mezzanine modules based on PCI
ANSI / VITA 30-2000 (R2005) 2mm Connector Practice for Euroboard Systems
ANSI / VITA 30.1-2002 2mm Connector Practice for Conduction Cooled Euroboard Systems
ANSI / VITA 31.1-2003 Gigabit Ethernet on VME64x backplanes
ANSI / VITA 32-2003 Processor PMC
ANSI / VITA 35-2000 (R2005) For PMC-P4 Pin Out Mapping To VME-P0 and VME64x-P2
ANSI / VITA 38-2003 System management on VME
ANSI / VITA 39-2003 PCI-X for PMC and Processor PMC
ANSI / VITA 40-2003 Status Indicator Standard
ANSI / VITA 41.0-2006 VXS VMEbus Switched Serial Standard
ANSI / VITA 41.1-2006 VXS 4X InfiniBand ™ Protocol Layer Standard
ANSI / VITA 41.2-2006 VXS 4X Serial RapidIO ™ Protocol Layer Standard
ANSI / VITA 42.0-2008 XMC Switched Mezzanine CardBase Specification Extension of the PMC standard to include serial high-speed buses
ANSI / VITA 42.1-2006 XMC Switched Mezzanine Card: Parallel RapidIO ™ 8/16 LP-LVDS Protocol Layer Standard
ANSI / VITA 42.2-2006 XMC Serial RapidIO Protocol Layer Standard
ANSI / VITA 42.3-2006 XMC PCI Express Protocol Layer Standard
ANSI / VITA 42.6-2009 XMC 10 GbE Protocol Layer Standard
ANSI / VITA 46.0-2007 VPX Baseline Standard
ANSI / VITA 46.1-2007 VMEbus signal mapping on VPX
ANSI / VITA 47-2005 (R2007) Environments, Design and Construction, Safety, and Quality for Plug-In Units Standard
ANSI / VITA 57.1-2008 FMC: FPGA Mezzanine Cards Base Specification
ANSI / VITA 46.10-2009 (R2015) VPX: Rear Transition Module

Important standards

VME64x (VITA1.1)

8-slot VME64x backplane from the connector side (left) and SMD side (right).

Today, many of the standards are outdated and no longer used. While the classic VMEbus (VITA1) is no longer relevant, systems and backplanes with the expansion of VITA 1.1 (VME64x) are still used frequently. Thanks to the downward compatibility, older VME cards can still be used here.

Gigabit Ethernet on VME64x backplanes (VITA31.1)

A VITA31.1 backplane is based on a standard VME64x backplane and is only extended by a Gigabit Ethernet link (1000BASE-T). This leads to a standard PICMG 2.16 Gigabit Ethernet switch , which connects the links to one another and, if necessary, to the front panel via an RJ45 connector. The Gigabit Ethernet is implemented in a star topology . Optionally, two Ethernet switch slots can also be integrated into the backplane, creating a double-star topology. This means that each slot has two Gigabit Ethernet links that are redundant to one another.

VME Switched Serial Standard - VXS (VITA41.X)

16-slot VXS backplane with 14 node slots and 2 switch slots.

A VITA41 backplane is basically also based on a VME64x backplane. However, the P0 connector differs from that of the VME64x backplane. Instead of the Hard Metric (HM) connector, a MultiGig connector is used, which is designed for differential pairs of LVDS transmission. This enables transmissions in the range of several Gb / s. The standard defines many high-speed protocols that can be transmitted over these connections. These protocols are InfiniBand and Serial Rapid IO as well as the specifications for protocol transmissions of Gigabit Ethernet, PCI Express , Aurora and 10 Gigabit Ethernet, which have only been available as drafts so far .

VPX (VITA46.X)

A VPX backplane is no longer compatible with VME64x backplanes due to the connectors. However, the sub-standard VITA46.1 defines how the signals of the VMEbus can be mapped to the MultiGig connectors of the VPX backplane. In this way, hybrid backplanes can be produced easily, which enable the inclusion of VME64x, VXS and VPX cards. The VPX backplanes allow the transmission of high-speed signals in all connector areas in order to increase the transmission bandwidth. With VPX there are also some drafts for mapping the protocols Serial Rapid IO, PCI Express, Gigabit Ethernet and Infiniband for transmission on the backplane.

Web links