FDC87W22 Ver la hoja de datos (PDF) - SMSC -> Microchip
Número de pieza
componentes Descripción
Fabricante
FDC87W22 Datasheet PDF : 140 Pages
| |||
(10) Recalibrate
PHASE R/W
Command
W
W
Execution
D7 D6 D5 D4 D3 D2 D1 D0
00000111
0 0 0 0 0 0 DS1 DS0
(11) Sense Interrupt Status
PHASE R/W
D7 76 D5 D4 D3 D2 D1 D0
Command
W
00 0010 0 0
Result
R
---------------- ST0 -------------------------
R
---------------- PCN -------------------------
(12) Specify
PHASE
Command
(13) Seek
PHASE
Command
Execution
R/W
W
W
W
R/W
W
W
W
R
D7 D6 D5 D4 D3 D2 D1 D0
00 0 00 0 11
| ---------SRT ----------- | --------- HUT ---------- |
|------------ HLT ----------------------------------| ND
D7 D6 D5 D4 D3 D2 D1 D0
00 0 01 1 11
0 0 0 0 0 HDS DS1 DS0
-------------------- NCN -----------------------
(14) Configure
PHASE R/W
Command
W
W
W
W
Execution
D7 D6 D5 D4 D3 D2 D1 D0
00 0 10 0 11
00 0 00 0 00
0 EIS EFIFO POLL | ------ FIFOTHR ----|
| --------------------PRETRK ---------------------- |
REMARKS
Command codes
Head retracted to
Track 0 Interrupt
REMARKS
Command code
Status information at
the end of each seek
operation
REMARKS
Command codes
REMARKS
Command codes
Head positioned
over proper cylinder
on diskette
REMARKS
Configure
information
Internal registers
written
30
Share Link: 