Figure 7. Arbitration, Selection (With Atn) And Message Out - Seagate MEDALIST 1080SL Product Manual

110 Medalist 1080sl SCSI Product Manual, August 1995
0
Initiator ID
DB(7–0,P)–
1
0
ATN–
1
0
SEL–
1
0
BUSY–
1
0
I/O–
1
0
MSG–
1
0
C/D–
1
0
REQ–
1
0
ACK–
1

Figure 7. Arbitration, selection (with ATN) and message out

Description
Target select time
(without arbitration)
Target select time
(with arbitration)
Target select to message out
Message out byte transfer
Init. and target ID Identify message
T01 T03
Symbol Typical
T00 <1.0 sec
T01 <55 sec
T03 <125 sec
T33 <0.1 sec
T33
Max
<250 sec
<250 sec
—
0.15 sec