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Chapter 4 Register Map and Descriptions
©
National Instruments Corporation 4-19 AT-MIO-16X User Manual
Table 4-3 for available modes and
associated bit patterns.
3 DRVAIS Drive Analog Input Sense—This signal
controls the AI SENSE signal at the I/O
connector. AI SENSE is always used as
an input in the NRSE input configuration
mode irrespective of DRVAIS. If
DRVAIS is set , then AI SENSE is
connected to board ground unless the
board is configured in the NRSE mode,
in which case AI SENSE is used as an
input. If DRVAIS is cleared, AI SENSE
is used as an input in the NRSE input
configuration, and is not driven
otherwise.
2-0 INTCHB<2..0> Interrupt Channel Select—These bits
select the interrupt channel available for
use by the AT-MIO-16X. See Table 4-4.
Table 4-4. Interrupt Level Selection
Bit Pattern Effect
INTCHB2
INTCHB1
INTCHB0
Interrupt Level Enabled
0 0 0 Level 3
0 0 1 Level 4
0 1 0 Level 5
0 1 1 Level 7
1 0 0 Level 10
1 0 1 Level 11
1 1 0 Level 12
1 1 1 Level 15