Device Type Register - National Instruments VXI-MXI User Manual

Register Descriptions

Device Type Register

VXIbus Address:
Attributes:
15 14 13 12
0 0 0
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
15-0r MODEL
VXI-MXI User Manual
Base Address + 2 (hex)
Read Only
11 10 9 8
1/0 0 0 0
MODEL
Description
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.
7 6 5 4
1 1 1 1
4-6 © National Instruments Corporation
Chapter 4
3 2 1 0
R
1 1 0
1