W83877ATG Nuvoton Technology Corporation of America, W83877ATG Datasheet - Page 27
W83877ATG
Manufacturer Part Number
W83877ATG
Description
Manufacturer
Nuvoton Technology Corporation of America
Datasheet
1.W83877ATG.pdf
(194 pages)
Specifications of W83877ATG
Lead Free Status / RoHS Status
Supplier Unconfirmed
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(3) Read A Track
(4) Read ID
Command
Result
Command
Execution
Result
Execution
PHASE
PHASE
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
D7
0
0
D7
0
0
-------------------- EOT -----------------------
-------------------- GPL -----------------------
-------------------- DTL -----------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
MFM
D6
MFM
D6
0
0
D5
D5
0
0
0
0
D4
D4
0
0
0
0
D3
D3
- 20 -
0
0
1
0
HDS
HDS
D2
D2
0
W83877ATF/W83877ATG
0
DS1
D1
DS1
D1
1
1
DS0
D0
DS0
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
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
REMARKS
REMARKS
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