w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 30

• Manufacturer Part Number: w83877atd
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

(12) Specify
(13) Seek
(14) Configure
(15) Relative Seek
Command
Command
Execution
Command
Execution
Command
PHASE
PHASE
PHASE
PHASE
R/W
R/W
R/W
R/W
W
W
W
W
W
W
W
W
W
W
W
W
W
R
D7
D7
D7
D7
|------------ HLT -----------------------------------| ND
0
0
| -------------------- RCN ---------------------------- |
0
0
0
1
0
| ---------SRT ----------- | --------- HUT ---------- |
| --------------------PRETRK ---------------------- |
0
D6
-------------------- NCN -----------------------
EIS
0
0
D6
DIR
D6
D6
0
0
0
0
D5
EFIFO POLL
0
0
D5
D5
D5
0
0
0
0
0
D4
0
0
D4
D4
D4
1
0
0
0
0
D3
| ------ FIFOTHR ----|
1
0
D3
D3
D3
0
0
1
0
0
- 26 -
HDS
D2
HDS
1
D2
D2
D2
0
0
1
0
DS1
D1
D1
DS1
1
D1
D1
1
0
1
1
Publication Release Date: April 1998
DS0
D0
DS0
D0
D0
D0
1
1
0
1
1
Command codes
Command codes
Head positioned over
proper cylinder on diskette
Configure information
Internal registers written
Command codes
W83877ATF
REMARKS
REMARKS
REMARKS
REMARKS
Version 0.51