FDC37N869 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

FDC37N869

5V and 3.3V Super I/O Controller with Infrared Support for Portable Applications

SMSC -> Microchip 

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PHASE

Command

Result

SENSE INTERRUPT STATUS

DATA BUS

R/W D7 D6 D5 D4 D3 D2 D1 D0

REMARKS

W 0 0 0 0 1 0 0 0 Command Codes

R

- - - - - - - ST0 - - - - - - -

Status information at the end

of each seek operation.

R

- - - - - - - PCN - - - - - - -

PHASE

Command

SPECIFY

DATA BUS

R/W D7 D6 D5 D4 D3 D2 D1 D0

REMARKS

W

0 0 0 0 0 0 1 1 Command Codes

W

- - - SRT - - -

- - - HUT - - -

W

- - - - - - HLT - - - - - -

ND

PHASE

Command

Result

SENSE DRIVE STATUS

DATA BUS

R/W D7 D6 D5 D4 D3 D2 D1 D0

REMARKS

W 00000 1

0

0 Command Codes

W 0 0 0 0 0 HDS DS1 DS0

R

- - - - - - - ST3 - - - - - - -

Status information about

FDD

PHASE

Command

Execution

SEEK

DATA BUS

R/W D7 D6 D5 D4 D3 D2 D1 D0

REMARKS

W 00001 1

1

1 Command Codes

W 0 0 0 0 0 HDS DS1 DS0

W

- - - - - - - NCN - - - - - - -

Head positioned over

proper cylinder on

diskette.

PHASE

Command

Execution

CONFIGURE

R/W D7 D6 D5

W 00

0

DATA BUS

D4 D3 D2 D1 D0

REMARKS

1

00

1

1 Configure

Information

W 00

0

0

00

0

0

W 0 EIS EFIFO POLL - - - FIFOTHR - - -

W

- - - - - - - - - PRETRK - - - - - - - - -

SMSC DS – FDC37N869

Page 43

Rev. 11/09/2000

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