w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 33

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

(15) Relative Seek
(16) Dumpreg
(17) Perpendicular Mode
(18) Lock
(19) Sense Drive Status
Command
Command
Result
Command
Command
Result
Command
Result
PHASE
PHASE
PHASE
PHASE
PHASE
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
R
R
R
W
W
R
R
LOCK 0
OW
-----------------------PRETRK -------------------------
0
1
0
----------------------- PCN-Drive 0--------------------
----------------------- PCN-Drive 1 -------------------
----------------------- PCN-Drive 2--------------------
----------------------- PCN-Drive 3 -------------------
0
0
0
--------SRT ------------------ | --------- HUT --------
----------- HLT -----------------------------------| ND
------------------------ SC/EOT ----------------------
0 EIS EFIFO POLL | ------ FIFOTHR --------
| -------------------- RCN ---------------------------- |
0
LOCK 0
D7
D7
D7
D7
D7
---------------- ST3 -------------------------
DIR
0
0
0
0
0
0
0
D6
D6
D6
D6
D6
D3
0
0
0
0
0
0
0
D5
D3
D5
D5
D5
0
D5
LOCK
D2
1
D2
0
0
D4
0
0
0
D4
1
D4
D4
D4
W83977EF-AW/W83977EG-AW
0
D1
D1
0
1
0
D3
0
D3
D3
0
D3
D3
0
1
-31-
HDS DS1 DS0
HDS DS1 DS0
D0 GAP
D0 GAP WG
0
D2
D2
1
D2
D2
D2
1
1
1
0
D1
D1
D1
D1
D1
0
1
1
0
1
0
WG
D0
D0
D0
D0
D0
0
1
0
0
0
0
Publication Release Date: Apr. 2006
Command Code
Status information about
disk drive
Command Code
Command Code
Command codes
Registers placed in FIFO
REMARKS
REMARKS
REMARKS
REMARKS
REMARKS
Revision 1.2