W83977G Winbond Electronics Corp America, W83977G Datasheet - Page 30

• Manufacturer Part Number: W83977G
• Description: W83877TF plus KBC, CIR, RTC, Pb-free
• Manufacturer: Winbond Electronics Corp America

(3) Read A Track
(4) Read ID
Command
Execution
Result
Command
Execution
Result
PHASE
PHASE
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
R/W
R/W
W
W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
W
W
R
R
R
R
R
R
R
0
0
0
0
D7
D7
-------------------- EOT -----------------------
-------------------- GPL -----------------------
MFM
-------------------- DTL -----------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
MFM
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
0
0
D6
D6
0
0
D5
0
0
D5
0
0
D4
0
0
D4
0
0
D3
0
1
D3
-22
HDS DS1 DS0
HDS DS1 DS0
D2
0
D2
0
D1
1
D1
1
D0
0
D0
0
Command codes
Sector ID information prior
to command execution
Data transfer between the
FDD and system; FDD
reads contents of all
cylinders from index hole to
EOT
Status information after
command execution
Sector ID information after
command execution
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
REMARKS
REMARKS