ICS9DB803D

EIGHT OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN1 AND GEN2

IDT®

EIGHT OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN1 AND GEN2

14

ICS9DB803D

REV N 071013

SMBus Table: Frequency Select Register, READ/WRITE ADDRESS (DC/DD)

Pin #

Name

Control Function

Type0

1PWD

Bit 7

PD_Mode

PD# drive mode

RW

driven

Hi-Z

0

Bit 6

STOP_Mode

DIF_Stop# drive mode

RW

driven

Hi-Z

0

Bit 5

Reserved

Reserved

RW

X

Bit 4

Reserved

Reserved

RW

X

Bit 3

Reserved

Reserved

RW

X

Bit 2

PLL_BW#

Select PLL BW

RW

High BW

Low BW

1

Bit 1

BYPASS#

BYPASS#/PLL

RW

fan-out

ZDB

1

Bit 0

SRC_DIV#

SRC Divide by 2 Select

RW

x/2

1x

1

SMBus Table: Output Control Register

Pin #

Name

Control Function

Type0

1PWD

Bit 7

DIF_7

Output Enable

RW

Disable

Enable

1

Bit 6

DIF_6

Output Enable

RW

Disable

Enable

1

Bit 5

DIF_5

Output Enable

RW

Disable

Enable

1

Bit 4

DIF_4

Output Enable

RW

Disable

Enable

1

Bit 3

DIF_3

Output Enable

RW

Disable

Enable

1

Bit 2

DIF_2

Output Enable

RW

Disable

Enable

1

Bit 1

DIF_1

Output Enable

RW

Disable

Enable

1

Bit 0

DIF_0

Output Enable

RW

Disable

Enable

1

SMBus Table: OE Pin Control Register Control Register

Pin #

Name

Control Function

Type0

1PWD

Bit 7

DIF_7

DIF_7 Stoppable with DIFSTOP

RW

Free-run

Stoppable

0

Bit 6

DIF_6

DIF_6 Stoppable with DIFSTOP

RW

Free-run

Stoppable

0

Bit 5

DIF_5

DIF_5 Stoppable with DIFSTOP

RW

Free-run

Stoppable

0

Bit 4

DIF_4

DIF_4 Stoppable with DIFSTOP

RW

Free-run

Stoppable

0

Bit 3

DIF_3

DIF_3 Stoppable with DIFSTOP

RW

Free-run

Stoppable

0

Bit 2

DIF_2

DIF_2 Stoppable with DIFSTOP

RW

Free-run

Stoppable

0

Bit 1

DIF_1

DIF_1 Stoppable with DIFSTOP

RW

Free-run

Stoppable

0

Bit 0

DIF_0

DIF_0 Stoppable with DIFSTOP

RW

Free-run

Stoppable

0

SMBus Table: Reserved Register

Pin #

Name

Control Function

Type0

1PWD

Bit 7

RW

X

Bit 6

RW

X

Bit 5

RW

X

Bit 4

RW

X

Bit 3

RW

X

Bit 2

RW

X

Bit 1

RW

X

Bit 0

RW

X

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Byte 2

Reserved

Reserved

Byte 3

Reserved

-

-

-

Reserved

-

Byte 0

-

-

Byte 1

-

-