F81865F View Datasheet(PDF) - Feature Integration Technology Inc.

Part Name

Description

Manufacturer

F81865F

Super IO with 6 UARTs

Feature Integration Technology Inc. 

FDC Commands

Terminology:

C

D

DIR

DS0

DS1

DTL

EC

EOT

EFIFO

EIS

FIFOTHR

GAP

GPL

H/HDS

HLT

HUT

LOCK

MFM

MT

N

NCN

ND

OW

PCN

POLL

PRETRK

R

RCN

SC

SK

SRT

ST0

ST1

ST2

ST3

WGATE

Cylinder Number 0 -256

Data Pattern

Step Direction

0: step out

1: step in

Drive Select 0

Drive Select 1

Data Length

Enable Count

End of Track

Enable FIFO

0: FIFO is enabled.

1: FIFO is disabled.

Enable Implied Seek

FIFO Threshold

Alters Gap Length

Gap Length

Head Address

Head Load Time

Head Unload Time

Lock EFIFO, FIFOTHR, PTRTRK bits.

Prevent these bits from being affected by software reset.

MFM or FM mode

0: FM

1: MFM

Multi-Track

Sector Size Code. All values up to 07h are allowable.

00:

128 bytes

01:

256 bytes

..

..

07

16 Kbytes

New Cylinder Number

Non-DMA Mode

Overwritten

Present Cylinder Number

Polling disable

0: polling is enabled.

1: polling is disabled.

Precompensation Start Track Number

Sector address

Relative Cylinder Number

Sector per Cylinder

Skip deleted data address mark

Step Rate Time

Status Register 0

Status Register 1

Status Register 2

Status Register 3

Write Gate alters timing of WE.

27

F81865

May, 2010

V0.28P

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