w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 41

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• 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 ----------------------
D6
D6
0
0
D5
D5
0
0
D4
D4
0
0
-32 -
0
D3
D3
0
HDS DS1 DS0
D2
D2
1
D1
D1
0
Publication Release Date: March 1999
D0
D0
0
W83977EF/ CTF
Invalid codes (no
operation- FDC goes to
standby state)
ST0 = 80H
Command Code
Status information about
disk drive
PRELIMINARY
REMARKS
REMARKS
Revision A1