W83877 Winbond Electronics Corp America, W83877 Datasheet - Page 29

• Manufacturer Part Number: W83877
• Description: Winbond I/O
• 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
W
W
R
R
R
R
R
R
R
R
R
R
R
R
------------ HLT -------------------------------------| ND
0 EIS EFIFO POLL | ------ FIFOTHR --------
LOCK 0
| -------------------- RCN ---------------------------- |
D7
D7
OW
-------SRT ----------------- | --------- HUT --------
LOCK 0
D7
D7
D7
0
0
1
-------------------- PCN-Drive 0-----------------
-------------------- PCN-Drive 2-----------------
--------------------PRETRK ---------------------
-------------------- PCN-Drive 1 ----------------
-------------------- PCN-Drive 3 ----------------
0
0
-------------------- SC/EOT --------------------
0
0
---------------- ST3 -------------------------
D6
DIR
D6
D6
D6
D6
0
0
0
0
0
0
0
D3
D5
D5
D5
D5
D5
D3
0
0
0
0
0
0
0
0
D2
LOCK 0
D4
D4
D4
D4
D4
0
D2 D1
0
0
1
0
0
1
D1
D3
0 HDS DS1 DS0
D3
D3
D3
0
1
0
0
D3
1
- 29 -
0
HDS DS1 DS0
D0
D2
D0 GAP WG
1
D2
D2
D2
D2
1
0
1
1
0
GAP WG
D1
0
D1
D1
1
D1
D1
1
1
0
0
0
Publication Release Date: January 1996
D0
D0
D0
0
1
D0
D0
0
0
0
Command Code
Status information about
disk drive
Command Code
Command Code
Command codes
Registers placed in FIFO
REMARKS
REMARKS
REMARKS
REMARKS
REMARKS
W83877F
Revision A2