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Chapter 4 Register Descriptions
© National Instruments Corporation 4-47 VXI-MXI User Manual
8r ACFAIL VXIbus ACFAIL Status Bit
This bit reflects the status of the VXIbus ACFAIL line.
8w ACFAILIE VXIbus ACFAIL Interrupt Enable Bit
If this bit is set, an interrupt is generated on the VMEbus interrupt
line selected by the LINT[3-1] bits when the VXIbus ACFAIL line
is set.
7r SYSFAILINT VXIbus SYSFAIL Interrupt Status Bit
If this bit is set, an interrupt is currently driven on the VMEbus
interrupt line selected by the LINT[3-1] bits because the VXIbus
SYSFAIL line became set. This bit is cleared on an interrupt
acknowledge cycle for the interrupt level selected by the
LINT[3-1] bits.
6-0r IRQ[7-1] IRQ Status Bit
These bits reflect the status of the corresponding VMEbus IRQ
lines.
6-0w DIRQ[7-1] Drive IRQ Line Bits
Setting these bits drives the corresponding VMEbus IRQ lines.
When the VMEbus IRQ line driven by one of these bits is serviced
by an VMEbus interrupt acknowledge cycle, the corresponding bit
is cleared.