National Instruments 6527 Series User Manual

Chapter 2 Register Map and Descriptions
© National Instruments Corporation 2-9 6527 Register-Level Programmer Manual
Change Status Register
The Change Status Register gives the status of change detection.
Address Offsets: 14 (hex)
Type: Read-only
Size: 8-bit
Bit Map:
Bit Name Description
7–3 Reserved These bits are undefined and should be ignored.
2 MasterInterruptStatus
Indicates that the device is asserting an interrupt.
1 Overflow Indicates that at least one more edge has been detected
since an interrupt is asserted.
0 EdgeStatus Indicates an edge has been detected. If the EdgeInt bit is
set in the Master Interrupt Control Register, EdgeStatus set
indicates an interrupt is currently being asserted.
7 6 5 4 3 2 1 0
Reserved Reserved Reserved Reserved Reserved MasterInterrupt
Status
Overflow EdgeStatus

National Instruments 6527 Series Specifications

General

Brand	National Instruments
Model	6527 Series
Category	I/O Systems
Language	English