4-33
4.4.7 SET WINDOW command
The following table shows the normal sequence of the SET WINDOW command when used with this
scanner.
Table 4-16 SET WINDOW command
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 WINDOW (CDB)
→
Sets window
6 DATA OUT Specifies window data
←
7 STATUS
←
Reports GOOD status
8 MESSAGE IN
←
Reports message
(Command Complete)
Release BSY signal
9 BUS FREE
4.4.7.1 SET WINDOW command: COMMAND phase (initiator → target)
The SET WINDOW command is used to set a window.
The CDB of this command is shown in the following illustration.