GM82C803CN Datasheet, PDF (41/84 Pages) List of Unclassifed Manufacturers – 2.88 MB FDC/ Dual UARTs with FIFO/PIO(EPP/ ECP)/ IDE Interface/ S-IR/ PnP

GM82C803CN
SCAN LOW OR EQUAL
PHASE R/W D7 D6 D5
COMMAND ^W
W
MT MF ^SK
XX
X
W
W
W
W
W
W
W
D4
D3 D2 D1 D0
R/W
1
1
0
0 1 Command Codes
X
X HS DS1 DS0
C
Sector ID information
H
prior to command
R
execution.
N
EOT
GPL
STP
EXECUTION
Data transfer between
FDD and main system
RESULTS R
R
R
R
R
R
R
ST0
Status information
ST1
after command
execution
ST2
C
Sector ID information
H
after command
R
execution
N
SCAN HIGH OR EQUAL
PHASE R/W D7 D6 D5
COMMAND ^W
W
MT MF ^SK
XX
X
W
W
W
W
W
W
W
EXECUTION
D4
D3 D2 D1 D0
R/W
1
1
1
0 1 Command Codes
X
X HS DS1 DS0
C
Sector ID information
H
prior to command
R
execution.
N
EOT
GPL
DTL
Data transfer between
FDD and main system
RESULTS R
R
R
R
R
R
R
ST0
Status information
ST1
after command
execution
ST2
C
Sector ID information
H
after command
R
execution
N