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Register Descriptions Chapter 4
VXI-MXI User Manual 4-6 © National Instruments Corporation
Device Type Register
VXIbus Address: Base Address + 2 (hex)
Attributes: Read Only
R
15 14 13 12 11 10 9
0
0
1/0 0 1 1
1
1
8
MODEL
76 54321 0
1000011 0
This register indicates how much VMEbus memory is required by this VXIbus device, and
identifies this device with a manufacturer's unique model code. The bits in this register are set in
hardware to the values shown above. Hard and soft resets have no effect on this register.
Bit Mnemonic Description
15-0r MODEL Model Code Bits
These bits contain a unique number assigned to this device by the
manufacturer to identify this device. Model codes between 0-FF
are assigned to Slot 0 devices. When the VXI-MXI is in Slot 0, bit
11 is 0 and its model code is hex 00FE. When the VXI-MXI is not
in Slot 0, bit 11 is 1 and its model code is hex 08FE.