LPC47N227TQFP View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
'LPC47N227TQFP' PDF : 202 Pages View PDF
FIFOTHR - The FIFO threshold in the execution phase of read or write commands. This is programmable
from 1 to 16 bytes. Defaults to one byte. A "00" selects one byte; "0F" selects 16 bytes.
PRETRK - Pre-Compensation Start Track Number. Programmable from track 0 to 255. Defaults to track 0.
A "00" selects track 0; "FF" selects track 255.
Version
The Version command checks to see if the controller is an enhanced type or the older type (765A). A value
of 90 H is returned as the result byte.
Relative Seek
The command is coded the same as for Seek, except for the MSB of the first byte and the DIR bit.
DIR Head Step Direction Control
RCN Relative Cylinder Number that determines how many tracks to step the head in or out from the
current track number.
65
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