Chapter 4
Register Descriptions
© National Instruments Corporation
4-7
VME-MXI-2 User Manual
8
ACCDIR
Access Direction
This bit returns a 1 when it is read from the
MXIbus. When this bit is read from the VMEbus
it returns a 0.
7-4
VERSION[3:0]
Version Number
These bits indicate the revision of the
VME-MXI-2. They return hex F to indicate
Revision A. These bits are not affected by
hard or soft resets.
3
READY
Ready
This bit becomes 1 shortly after a hard reset to
indicate that the VME-MXI-2 is ready to execute
all of its functionality. This bit is not affected by
a soft reset.
2
PASSED
Passed
This bit becomes 1 shortly after a hard reset to
indicate that the VME-MXI-2 has completed
its power-on initialization sequence. The
VME-MXI-2 asserts the SYSFAIL* line on the
VMEbus after a hard reset until this bit becomes
1. This bit is not affected by a soft reset.
1
SFINH
Sysfail Inhibit
This bit reflects the state of the SFINH bit in the
VXIbus Control Register (VCR).
0
RESET
Soft Reset
This bit reflects the state of the RESET bit in the
VXIbus Control Register (VCR).
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