National Instruments PC-DIO-96 用户手册

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Chapter 4
Register-Level Programming
© National Instruments Corporation
4-7
PC-DIO-96 User Manual
Bit
Name
Description (continued)
1
AIRQ1
PPI A Interrupt Request for Port B—If this bit and the INTEN bit
in Interrupt Control Register 2 are both set, PPI A sends an
interrupt, INTRB, to the host computer.  If this bit is cleared, PPI A
does not send the interrupt INTRB to the host computer, regardless
of the setting of INTEN.
0
AIRQ0
PPI A Interrupt Request for Port A—If this bit and the INTEN bit
in Interrupt Control Register 2 are both set, PPI A sends an
interrupt, INTRA, to the host computer.  If this bit is cleared,
PPI A does not send the interrupt INTRA to the host computer,
regardless of the setting of INTEN.