Avionics Blog

Four Ways AIT is Ensuring a Solid Future for VME

Posted by Troy Troshynski on Oct 2, 2017 9:30:00 AM

In our previous post we saw how VME systems have not outlived their usefulness for MIL-STD 1553 and ARINC 429 test and simulation applications. However, their long-term future will continue to be threatened by end-of-life (EOL) of crucial subsystems and components such as the TSI148 VME-to-PCI bridge chip that’s been at the heart of VME adapter (carrier) boards. Some VME suppliers have left it up to their customers to address these EOL problems on their own. But for end users, dealing with VME platform issues is at best an engineering distraction. At worst, it requires them to decommission perfectly adequate VME systems and commit to the enormous expense of purchasing more up-to-date systems and porting legacy application programs to them.

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Topics: MIL-STD-1553, ARINC 429, VME

Preventing VME Obsolescence

Posted by Troy Troshynski on Sep 1, 2017 1:08:34 PM

Back in 1979 VME began as a bus system for the Motorola 68000. Within a few years it became a standardized bus in Europe and North America (ANSI/IEEE 1014-1987). Since then, designers at military and civilian avionics suppliers have used the VME architecture in thousands of test and simulation systems, and many of these systems require MIL-STD-1553 and ARINC 429 avionics bus interfaces..

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Topics: MIL-STD-1553, ARINC 429, VME

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