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A.4 Commands
Appendix A-69
A.4.8 SET SUBWINDOW command
The following table shows the normal sequence of the SET SUBWINDOW command when used
with this scanner.
Step Bus phase Initiator operation
Target operation
1 BUS FREE Verifies bus free
2 ARBITRATION
Obtains bus-usage
right
3 SELECTION Selects target
Drives BSY signal
4 MESSAGE OUT Selects logical unit
5 COMMAND Specifies SET
SUBWINDOW
(CDB)
Sets subwindow
6 DATA OUT
Specifies subwindow
data
7 STATUS
Reports GOOD status
8 MESSAGE IN
Reports message
(Command Complete)
Releases BSY signal
9 BUS FREE