W83877ATG Nuvoton Technology Corporation of America, W83877ATG Datasheet - Page 32

• Manufacturer Part Number: W83877ATG
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83877ATG

• Lead Free Status / RoHS Status: Supplier Unconfirmed

(16) Dumpreg
(17) Perpendicular Mode
(18) Lock
(19) Sense Drive Status
(20) Invalid
Command
Command
Command
Result
Command
Command
PHASE
PHASE
PHASE
PHASE
PHASE
Result
Result
Result
R/W
R/W
R/W
R/W
R/W
W
W
W
W
W
W
R
W
R
R
R
R
R
R
R
R
R
R
R
R
LOCK
D7
D7
LOCK
OW
D7
D7
0
0
D7
0
0
0
0
------------ HLT -------------------------------------| ND
EIS EFIFO POLL|
------------- Invalid Codes -----------------
-------- SRT ----------- | -------- HUT ----------
D6
--------------------PRETRK ---------------------
-------------------- SC/EOT --------------------
---------------- ST3 -------------------------
D6
-------------------- PCN-Drive 0-----------------
-------------------- PCN-Drive 2-----------------
-------------------- PCN-Drive 1 ----------------
-------------------- PCN-Drive 3 ----------------
D6
D6
0
-------------------- ST0 ----------------------
0
0
0
0
D6
0
0
0
D5
D5
D3
D5
D5
0
D3
0
0
0
D5
0
0
D2
D4
D4
D4
D4
D2
0
1
0
0
LOCK
D4
1
D1
D3
D3
D3
D3
D1
1
0
0
0
- 25 -
--- FIFOTHR ----
D3
D0
0
0
D2
HDS
D2
D2
D2
D0
W83877ATF/W83877ATG
1
0
1
D2
GAP
1
0
D1
GAP
DS1
D1
D1
D1
1
1
0
D1
Publication Release Date:November 2006
0
0
WG
D0
DS0
D0
WG
D0
D0
|
0
0
0
D0
0
0
Invalid codes (no operation -
FDC goes into standby
state)
ST0 = 80H
Command code
Command code
Status information about
disk drive
Registers placed in FIFO
Command code
REMARKS
REMARKS
REMARKS
REMARKS
REMARKS
Version 1.0