W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 31

• Manufacturer Part Number: W83977A
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

(4) Read ID
(5) Verify
Command
Execution
Result
Command
Execution
Result
PHASE
PHASE
R/W
R/W
W
W
W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
MT MFM SK
EC
D7
0 MFM
0
D7
-------------------- DTL/SC -------------------
-------------------- ST0 -----------------------
-------------------- EOT -----------------------
-------------------- GPL -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
0
D6
D6
0
0
0
D5
D5
0
0
0
0
1
D4
D4
0
1
0 HDS DS1 DS0
0
-23 -
D3
D3
HDS DS1 DS0
0
1
D2
D2
1
1
D1
D1
0
0
D0
D0
Publication Release Date: April 1998
Command codes
The first correct ID
information on the cylinder
is stored in Data Register
Status information after
command execution
Disk status after the
command has been
completed
Command codes
Sector ID information prior
to command execution
No data transfer takes
place
Status information after
command execution
Sector ID information after
command execution
W83977TF
PRELIMINARY
REMARKS
REMARKS
Revision 0.62