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Register Descriptions Chapter 4
VXI-MXI User Manual 4-30 © National Instruments Corporation
Subclass Register
VXIbus Address: Base Address + 1E (hex)
Attributes: Read only
R
15 14 13 12 11 10 9
1
1
1111
10
8
SUBCLASS
76 54321 0
1111111
0
These bits define the subclass of a VXIbus extended device. The VXI-MXI is a VXIbus
Mainframe Extender. Such devices are assigned the subclass code hex FFFC. Hard and soft
resets have no effect on this register.
Bit Mnemonic Description
15-0r SUBCLASS Manufacturer Subclass
These bits indicate the subclass code for the VXI-MXI. These bits
are configured in hardware as hex FFFC.