W83877 Winbond Electronics Corp America, W83877 Datasheet - Page 28

• Manufacturer Part Number: W83877
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

(10) Recalibrate
(11) Sense Interrupt Status
(12) Specify
(13) Seek
(14) Configure
Command
Execution
Command
Execution
Command
Result
Command
Command
Execution
PHASE
PHASE
PHASE
PHASE
PHASE
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
W
W
W
W
W
W
W
W
R
R
R
|------------ HLT ----------------------------------| ND
| ---------SRT ----------- | --------- HUT ---------- |
| --------------------PRETRK ---------------------- |
D7
0 EIS EFIFO POLL | ------ FIFOTHR ----|
D7
D7
D7
D7 D6 D5
0
0
0
0
0
0
-------------------- NCN -----------------------
0
0
---------------- PCN -------------------------
---------------- ST0 -------------------------
76
D6
D6
D6
0
0
0
0
0
0
0
0
D5
D5
0
D5
D5
0
0
0
0
0
0
0
D4
D4
D4
0
D4
D4
0
0
1
0
0
0
0
D3
D3
0
0
D3
D3
D3
0
0
0
1
1
0
- 28 -
D2
HDS DS1 DS0
0
1
D2
0
D2
D2
D2
0
1
0
0
DS1 DS0
D1
1
D1
0
D1
D1
D1
1
1
0
1
D0
1
D0
D0
0
D0
D0
1
1
0
1
Command codes
Head retracted to Track 0
Interrupt
Command code
Status information at the end
of each seek operation
Command codes
Command codes
Head positioned over proper
cylinder on diskette
Configure information
Internal registers written
REMARKS
REMARKS
REMARKS
REMARKS
REMARKS
W83877F