w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 28

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• 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
R
R
R
R
R
R
R
W
W
W
W
W
W
W
R
R
R
R
R
R
R
MT MFM SK
EC
0
0
D7
D7
-------------------- DTL/SC -------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
-------------------- EOT -----------------------
-------------------- GPL -----------------------
MFM
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
0
0
D6
D6
0
0
0
D5
D5
0
0
0
D4
1
D4
W83977EF-AW/W83977EG-AW
0
1
D3
D3
0
-26-
0
HDS DS1 DS0
HDS DS1 DS0
D2
0
D2
1
D1
D1
1
1
D0
D0
0
0
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
REMARKS
REMARKS