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National Instruments Corporation
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Getting Started with Your VXIpc 800/700
Glossary
A
A16 space
VXIbus address space equivalent to the VME 64 KB short address
space. In VXI, the upper 16 KB of A16 space is allocated for use by VXI
devices configuration registers. This 16 KB region is referred to as VXI
configuration space.
A24 space
VXIbus address space equivalent to the VME 16 MB standard address
space
A32 space
VXIbus address space equivalent to the VME 4 GB extended address
space
address
Character code that identifies a specific location (or series of locations)
in memory
address space
A set of 2n memory locations differentiated from other such sets in
VXI/VMEbus systems by six addressing lines known as address
modifiers. n is the number of address lines required to uniquely specify
Prefix
Meaning
Value
n-
nano-
10
-9
µ-
micro-
10
-6
m-
milli-
10
-3
K-
kilo-
10
3
M-
mega-
10
6
G-
giga-
10
9