Product manual
Figure 18. Reselection, status, command complete and bus free
Description Symbol Typical Max
Reselect identify message to
status
T15
<150 µsec
—
Status to command complete
message
T18
<150 µsec
—
Command complete message
to bus free
T19
<100 µsec
—
Message in byte transfer T32
<0.1 µsec 0.15 µsec
Status byte transfer T34
<0.1 µsec 0.15 µsec
1
0
–
DB(7
–
0,P)
–ATN
–SEL
–BUSY
–I/O
–MSG
–C/D
–REQ
–ACK
T15
T34 T18 T32 T19
Identify message
Status
Cmd Complete
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
130 ST3655 Family SCSI Drives Product Manual, Rev. A