LPC47N267 Datasheet, PDF (41/180 Pages) SMSC Corporation – 100 Pin LPC Notebook I/O with X-Bus Interface

PHASE
Command
Execution
Result
WRITE DATA
R/W
DATA BUS
REMARKS
D7 D6 D5 D4 D3 D2 D1 D0
W MT MFM 0 0 0 1 0 1 Command Codes
W 0 0 0 0 0 HDS DS1 DS0
W
──────── C ────────
Sector ID information prior to
Command execution.
W
──────── H ────────
W
──────── R ────────
W
──────── N ────────
W
─────── EOT ───────
W
─────── GPL ───────
W
─────── DTL ───────
Data transfer between the FDD and
system.
R
─────── ST0 ───────
Status information after Command
execution.
R
─────── ST1 ───────
R
─────── ST2 ───────
R
──────── C ────────
Sector ID information after Command
execution.
R
──────── H ────────
R
──────── R ────────
R
──────── N ────────
PHASE
Command
Execution
Result
WRITE DELETED DATA
R/W
DATA BUS
REMARKS
D7 D6 D5 D4 D3 D2 D1 D0
W MT MFM 0 0 1 0
0
1 Command Codes
W 0 0 0 0 0 HDS DS1 DS0
W
──────── C ────────
Sector ID information prior to
Command execution.
W
──────── H ────────
W
──────── R ────────
W
──────── N ────────
W
─────── EOT ───────
W
─────── GPL ───────
W
─────── DTL ───────
Data transfer between the FDD
and system.
R
─────── ST0 ───────
Status information after Com-
mand execution.
R
─────── ST1 ───────
R
─────── ST2 ───────
R
──────── C ────────
Sector ID information after
Command execution.
R
──────── H ────────
R
──────── R ────────
R
──────── N ────────
SMSC DS – LPC47N267
Page 41
Rev. 10/23/2000