W83877TF Datasheet, PDF (35/154 Pages) Winbond – I/O chip disk drive adapter

W83877TF
(9) Format A Track
PHASE R/W
Command W
W
W
W
W
W
Execution
W
for Each
Sector
W
Repeat:
W
W
Result
R
R
R
R
R
R
R
D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
0 MFM 0
0
1
1
0
1 _{Command codes}
0
0
0
0
0 HDS DS1 DS0
---------------------- N ------------------------
Bytes/Sector
--------------------- SC -----------------------
Sectors/Cylinder
--------------------- GPL ---------------------
Gap 3
---------------------- D ------------------------
Filler Byte
---------------------- C ------------------------
Input Sector Parameters
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
Status information after
command execution
-------------------- ST2 -----------------------
---------------- Undefined -------------------
---------------- Undefined -------------------
---------------- Undefined -------------------
---------------- Undefined -------------------
(10) Recalibrate
PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
Command W
0
0
0
0
0
1
1
1 _{Command codes}
W
0
0
0
0
0
0 DS1 DS0
Execution
Head retracted to Track 0
Interrupt
(11) Sense Interrupt Status
PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
Command W
0
0
0
0
1
0
0
0 _{Command codes}
Result
R
R
---------------- ST0 -------------------------
---------------- PCN -------------------------
Status information at the
end of each seek operation
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Publication Release Date: March 1998
Version 0.61