Fujitsu M3097G User Manual

The following table shows the normal sequence of the SET SUBWINDOW command
when used with this scanner.

Step

Bus phase

Initiator operation

¨Æ

Target operation

1

BUS FREE

Verifies bus free

2

ARBITRATION

Obtains bus>usage
right

3

SELECTION

Selects target

Æ

Drives BSY signal

4

MESSAGE OUT

Selects logical unit

Æ

5

6

COMMAND

DATA OUT

Specifies SET
SUBWINDOW
(CDB)

Specifies
subwindow data

Æ

Æ

Sets subwindow

7

STATUS

¨

Reports GOOD status

8

MESSAGE IN

¨

Reports message
(Command Complete)

Releases BSY signal

9

BUS FREE

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