gm82c765b ETC-unknow, gm82c765b Datasheet - Page 25

• Manufacturer Part Number: gm82c765b
• Description: Floppy Disk Subsystem Controller
• Manufacturer: ETC-unknow

TABLE 17. FORMAT A TRACK
TABLE 16. READ ID
EXECUTION
COMMAND
EXECUTION
COMMAND
RESULTS
PHASE
RESULTS
PHASE
R/W
W
W
W
W
W
W
R
R
R
R
R
R
R
R/W
W
W
R
R
R
R
R
R
R
D7
X
0
D7
X
0
MF
D6
X
MF
D6
X
D5
X
0
D5
X
0
D4
X
0
D4
X
0
GPL
STO
ST1
ST2
SC
N
D
C
H
R
N
STO
ST1
ST2
H
N
C
R
D3
X
1
25
D3
X
1
D2
HS
1
D2
HS
0
US1
D2
0
US1
D2
1
US0
D0
1
US0
D0
0
Command Codes
Bytes / Sector
Sector/Track
Gap 3
Filler Byte
Floppy Disk Controller (FDC) formats
an entire track.
Status information after command
execution.
In this case, ID information has no
meaning.
Command Codes
The first correct ID information on the
cylinder is stored in Data Register.
Status information after command
execution.
Sector ID information after command
execution.
REMARKS
REMARKS
GM82C765B