Chapter 2
Module Operation
page 2 - 10
Excalibur Systems
Read
The Interrupt Status Busy register indicates whether the user can access a
particular channel’s interrupt status register. A 1 in the appropriate bit position
indicates that the channel’s interrupt status register is busy and you should not
access it. A 0 in the appropriate bit position indicates that the contents of
interrupt status register are valid and you may access it. Bit 06 corresponds to
whether the (Receiver) Merge Mode Interrupt Status register is busy.
Write
Writing any non-zero value to the Reset Time Tag register resets the Time Tag to 0.
Read
The module will write the value E429 (H) into the Module ID register when it has
finished its initialization sequence and is ready to be accessed by the Host.
2.4.6
Interrupt Status Busy Register
Address:
001A (H)
Bit
Bit Name
07-15
Reserved
06
Merge Mode Busy Bit
05
Channel 5 Busy Bit
04
Channel 4 Busy Bit
03
Channel 3 Busy Bit
02
Channel 2 Busy Bit
01
Channel 1 Busy Bit
00
Channel 0 Busy Bit
Interrupt Status Busy Register
2.4.7
Reset Time Tag Register
Address:
001C (H)
2.4.8
Module ID Register
Address:
001E (H)
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