LPC47N227TQFP View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
'LPC47N227TQFP' PDF : 202 Pages View PDF
SYMBOL
ST0
ST1
ST2
ST3
WGATE
NAME
Status 0
Status 1
Status 2
Status 3
Write Gate
DESCRIPTION
Registers within the FDC which store status information after a
command has been executed. This status information is available to
the host during the result phase after command execution.
Alters timing of WE to allow for pre-erase loads in perpendicular
drives.
Instruction Set
PHASE
Command
Execution
Result
Table 17 – Instruction Set
READ DATA
DATA BUS
R/W D7 D6 D5 D4 D3 D2 D1 D0
REMARKS
W MT MFM SK 0 0 1 1 0 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 ────────
42
Share Link: 
