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Glossary
VXI/VMEpc 600 Series for Windows 95/NT G-8
©
National Instruments Corporation
VISAIC VISA Interactive Control Program, a part of the NI-VISA software. Used
to program devices, and develop and debug application programs
VME Versa Module Eurocard or IEEE 1014
VMEbus System
Controller
a device configured for installation in Slot 1 of a VMEbus chassis. This
device is unique in the VMEbus system in that it performs the VMEbus
System Controller functions, including clock sourcing and arbitration for
data transfers across the backplane. Installing such a device into any other
slot can damage the device, the VMEbus backplane, or both.
VXIbus VMEbus Extensions for Instrumentation
W
Word Serial Protocol The simplest required communication protocol supported by
message-based devices in a VXIbus system. It utilizes the A16
communication registers to transfer data using a simple polling handshake
method.
write posting A mechanism that signifies that a device will immediately give a successful
acknowledge to a write transfer and place the transfer in a local buffer. The
device can then independently complete the write cycle to the destination.