VXI 320222-01 user manual V, W

Glossary
© National Instruments Corporation Glossary-11 VXI-MXI User Manual
TERMPWR Termination Power; 3.4 VDC for the MXIbus.
Trigger Either TTL or ECL lines used for intermodule communication.
TTL Transistor-Transistor Logic
V
V volts
VDC volts direct current
VMEbus Versa Module Eurocard or IEEE 1014; the IEEE Standard for a Versatile
Backplane Bus.
VXIbus VMEbus Extensions for Instrumentation
VXIbus System A functional module with circuitry that generates the 16 MHz system
Controller clock, provides the VMEbus arbiter and the VMEbus Bus Timer Unit, and
drives the VXIbus CLK10 signal.
W
Write Copying data to a storage device.
Word Serial The simplest required communication protocol supported by Message-
Protocol Based devices in the VXIbus system. It utilizes the A16 communication
registers to transfer data using a simple polling handshake method.