Appendix E. Timing Diagrams; Figure 11. Arbitration, Selection (Without Atn) And Command - Seagate ST3285N Product Manual

ST3655 Family SCSI Drives Product Manual, Rev. A

Appendix E. Timing diagrams

0
–DB(7–0,P) Initiator ID
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 11. Arbitration, selection (without ATN) and command

Description
Target select time
(without arbitration)
Target select time
(with arbitration)
Target select to command
Init. and target ID
T01 T02
Symbol Typical
<80 µsec
T00
<90 µsec
T01
<150 µsec
T02
123
First byte
Max
<250 msec
<250 msec
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