Seagate ST3285N, Product Manual

Page: 134 / 151

Figure 12. Arbitration, selection (with ATN) and message out
Description Symbol Typical Max
Target select time
(without arbitration)
T00
<1.0
µ
sec <250
µ
sec
Target select time
(with arbitration)
T01 <55
µ
sec <250
µ
sec
Target select to message out T03 <125
µ
sec —
Message out byte transfer T33 <0.1
µ
sec 0.15
µ
sec
1
0
–ATN
–SEL
–BUSY
–I/O
–MSG
–C/D
–REQ
–ACK
T01 T03 T33
–DB(7–0,P)
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Identify message Init. and target ID Initiator ID
124 ST3655 Family SCSI Drives Product Manual, Rev. A