Seagate ST3285N, Product Manual

Page: 139 / 151

Figure 17. Arbitration, reselection and message in
Description Symbol Typical Max
Target wins arbitration
(for reselect)
T12 <6
µ
sec —
Arbitration to reselect T13 <5
µ
sec —
Reselect to identify message in T14 <150
µ
sec —
Message in byte transfer T32
<0.1
µ
sec 0.15
µ
sec
1
0
–DB(7–0,P)
–ATN
–SEL
–BUSY
–I/O
–MSG
–C/D
–REQ
–ACK
T13 T12 T14 T32
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Target and Init. ID Target ID Identify message
ST3655 Family SCSI Drives Product Manual, Rev. A 129