PHASE
PHASE
Command
Execution
Result
READ A TRACK
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
R
- - - - - - - - R- - - - - - - -
R
- - - - - - - - N- - - - - - - -
REMARKS
VERIFY
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
W MT MFM SK 1 0 1
1
0 Command Codes
W EC 0 0 0 0 HDS DS1 DS0
W
- - - - - - - - C- - - - - - - -
Sector ID information
prior to Command
execution.
W
- - - - - - - - H- - - - - - - -
W
- - - - - - - - R- - - - - - - -
W
- - - - - - - - N- - - - - - - -
W
- - - - - - - EOT - - - - - - -
W
- - - - - - - GPL - - - - - - -
W
- - - - - - DTL/SC - - - - - -
No data transfer takes
place.
R
- - - - - - - ST0 - - - - - - -
Status information after
Command execution.
R
- - - - - - - ST1 - - - - - - -
R
- - - - - - - ST2 - - - - - - -
R
- - - - - - - - C- - - - - - - -
Sector ID information
after Command
execution.
R
- - - - - - - - H- - - - - - - -
R
- - - - - - - - R- - - - - - - -
R
- - - - - - - - N- - - - - - - -
PHASE
Command
Result
VERSION
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
W 0 0 010 0
0
0 Command Code
R 1 0 010 0
0
0 Enhanced Controller
SMSC DS – FDC37N869
Page 41
Rev. 11/09/2000