W83977EF Datasheet, PDF (36/150 Pages) Winbond – WINBOND I/O

W83977EF
(11) Sense Interrupt Status
PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
Command W 0 0 0 0 1 0 0 0 Command code
Result
R
---------------- ST0 -------------------------
Status information at the end
R
---------------- PCN -------------------------
of each seek operation
(12) Specify
PHASE R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
Command W 0 0 0 0 0 0 1 1 Command codes
W | ---------SRT ----------- | --------- HUT ---------- |
W |------------ HLT ----------------------------------| ND
(13) Seek
PHASE R/W
Command W
W
W
Execution R
D7 D6 D5 D4 D3 D2 D1 D0
0 0 0 011 1 1
0 0 0 0 0 HDS DS1 DS0
-------------------- NCN -----------------------
REMARKS
Command codes
Head positioned over proper
cylinder on diskette
(14) Configure
PHASE R/W
Command W
W
W
W
Execution
D7 D6 D5 D4 D3 D2 D1 D0
0 00 1 001 1
00 0 0 000 0
0 EIS EFIFO POLL | ------ FIFOTHR ----|
| --------------------PRETRK ----------------------- |
REMARKS
Configure information
Internal registers written
Publication Release Date: April 2003
-30 -
Revision 1.1