W83977EG Datasheet, PDF (29/142 Pages) Winbond – WINBOND ISA I/O

W83977EF-AW/W83977EG-AW
(6) Version
PHASE R/W
D7 D6 D5 D4 D3 D2 D1 D0
Command W 0 0 0 1 0 0 0 0
Result
R
1 0 010 00 0
REMARKS
Command code
Enhanced controller
(7) Write Data
PHASE R/W
Command W
W
W
W
W
W
W
W
W
Execution
R
Result
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
Publication Release Date: Apr. 2006
-27-
Revision 1.2