Change Status Register - National Instruments 6509 Programmer's Manual

Change Status Register

The Change Status Register gives the status of change detection.
Address Offset: 0x02
Type:
Size:
Bit Map:
7 6
Reserved Reserved
Bit
7–6
5
4
3
2
1
0
© National Instruments Corporation
Read
8-bit
5 4
WDT Int Falling
status Edge
Status
Name
Reserved
WDT Int Status
Falling Edge Status
Rising Edge Status
MasterInterrupt Status
OverFlow
Edge Status
Chapter 2
3 2
Rising MasterInterrupt
Edge Status
Status
Description
Disregard these bits.
A 1 indicates that there has been a watchdog timer
expiration that could cause an interrupt (if
watchdog timer expiration interrupts are enabled).
A 1 indicates that there has been a falling edge that
could cause an interrupt (if falling edge interrupts
are enabled).
A 1 indicates that there has been a rising edge that
could cause an interrupt (if rising edge interrupts
are enabled).
Indicates that the device is asserting an interrupt.
Indicates that at least one more edge has been
detected since an interrupt is asserted.
Indicates an edge has been detected. If the EdgeInt
bit is set in the Master Interrupt Control Register,
Edge Status set indicates an interrupt is currently
being asserted.
2-15 Static DIO Register-Level Programmer Manual
Register Map and Descriptions
1 0
OverFlow Edge
Status