W83787IF Datasheet, PDF (30/123 Pages) Winbond – WINBOND I/O WITH SERIAL-INFRARED SUPPORT

W83787IF
(16) Scan High or Equal
PHASE R/W
D7 D6 D5 D4 D3 D2 D1 D0
Comman W
d
MT MFM SK 1 1 1 0 1
W
0 0 0 0 0 HDS DS1 DS0
W
---------------------- C ------------------------
W
---------------------- H ------------------------
W
---------------------- R ------------------------
W
---------------------- N ------------------------
W
-------------------- EOT -----------------------
W
-------------------- GPL -----------------------
W
-------------------- DTL -----------------------
REMARKS
Command codes
Sector ID information prior
to command execution
Execution
Result
R
R
R
R
R
R
R
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
Data compare between the
FDD and system
Status information after
command execution
Sector ID information after
command execution
2.3 Register Descriptions
There are status, data, and control registers in the W83787IF. The addresses of these registers are
defined below:
ADDRESS
PRIMARY
SECONDARY
READ
REGISTER
WRITE
3F2
372
DO REGISTER
3F3
373
TD REGISTER
3F4
374
MS REGISTER
Reserved
3F5
375
DT REGISTER
DT REGISTER
3F7
377
DI REGISTER
CC REGISTER
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Publication Release Date:Sep 1995
Revision A1