Appendix E. Timing Diagrams; Figure 6. Arbitration, Selection (Without Atn) And Command - Seagate MEDALIST 1080SL Product Manual

Medalist 1080sl SCSI Product Manual, August 1995

Appendix E. Timing diagrams

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 6. 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
T00 <80 sec
T01 <90 sec
T02 <150 sec
109
First byte
Max
<250 msec
<250 msec
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