beautypg.com

FUJITSU M3097G User Manual

Page 39

background image

&

&

&

bus free
delay

arbitration delay

bus free
delay

bus set delay

bus free
delay

bus clear delay

arbitration delay

bus free delay

bus settle
delay

ARBITRATION phase

BSY

SEL

DB

SCSI

BSY

SEL

DB(7)

ID7

BSY

SEL

DB (3)

ID3

BSY

SEL

DB (1)

ID1

bus clear delay
+ bus settle delay

bus set
delay

ID7:

Succeeds in ARBITRATION

ID3:

Detects the SEL signal of other SCSI unit

ID1:

Detects the SCSI ID with higher priority than itself

&:

The point at which the BUS FREE phase is detected by each SCSI unit.

4 $ 14