W83787IF Datasheet, PDF (24/123 Pages) Winbond – WINBOND I/O WITH SERIAL-INFRARED SUPPORT

W83787IF
(4) Read ID
PHASE R/W
Command W
W
Execution
Result
R
R
R
R
R
R
R
D7 D6 D5 D4 D3 D2 D1 D0
0 MFM 0 0 1 0 1 0
0 0 0 0 0 HDS DS1 DS0
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
REMARKS
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
(5) 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
00
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:Sep 1995
Revision A1