W83977EF Winbond Electronics Corp America, W83977EF Datasheet - Page 38

• Manufacturer Part Number: W83977EF
• Description: Description = W83877TF Plus Kbc, GP I/O, Wake-Up, Power Fail Resume ;; Package = QFP 128
• Manufacturer: Winbond Electronics Corp America

(19) Sense Drive Status
(20) Invalid
Command
Result
Command
Result
PHASE
PHASE
R/W
R/W
W
W
W
R
R
D7
D7
0
0
------------- Invalid Codes -----------------
---------------- ST3 -------------------------
-------------------- ST0 ----------------------
0
0
D6
D6
D5
D5
0
0
D4
D4
0
0
-32 -
0
0
D3
D3
HDS DS1 DS0
D2
D2
1
0
D1
D1
0
D0
D0
Publication Release Date: April 2003
Invalid codes (no
operation- FDC goes to
standby state)
ST0 = 80H
Command Code
Status information about
disk drive
REMARKS
W83977EF
REMARKS
Revision 1.1