W83877ATF Datasheet, PDF (27/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
(6) Version
PHASE
Command
Result
R/W D7 D6 D5 D4 D3 D2 D1
W
0
0
0
1
0
0
0
W
1
0
0
1
0
0
0
D0
REMARKS
0 _{Command codes}
0 _{Enhanced controller}
(7) Write Data
PHASE R/W
Command W
W
W
W
W
W
W
W
W
Execution
Result
R
R
R
R
R
R
R
D7 D6 D5 D4 D3 D2 D1 D0
MT MFM 0
0
0
1
0
1
0
0
0
0
0 HDS DS1 DS0
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- EOT -----------------------
-------------------- GPL -----------------------
-------------------- DTL -----------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
REMARKS
Command codes
Sector ID information
prior to Command
execution
Data transfer between the
FDD and system
Status information after
Command execution
Sector ID information
after Command execution
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Publication Release Date: April 1998
Version 0.51