2 Output Express* Buffer with CLKREQ# Function

ICS9DB102

REV F 08/06/07

ICS9DB102

2 Output PCI Express* Buffer with CLKREQ# Function

9

SMBus Table: Device Control Register, READ/WRITE ADDRESS (D4/D5)

Pin #

Name

Control Function

Type0

1

PWD

Bit 7

SW_EN

Enables SMBus Control

RW

Functions controlled by

SMBus registers

Functions controlled

by device pins

1

Bit 6

RW

X

Bit 5

RW

X

Bit 4

RW

X

Bit 3

RW

X

Bit 2

RW

X

Bit 1

PLL BW #adjust

Selects PLL Bandwidth

RW

Low BW

High BW

1

Bit 0

PLL Enable

Bypasses PLL for board

test

RW

PLL bypassed (fan out

mode)

PLL enabled (ZDB

mode)

1

SMBus Table: Output Enable Register

Pin #

Name

Control Function

Type0

1

PWD

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

SMBus Table: Function Select Register

Pin #

Name

Control Function

Type0

1

PWD

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

-

-

-

-

-

-

-

-

-

-

Byte 2

RESERVED

-

-

-

Byte 1

-

-

-

-

-

-

RESERVED

-

-

-

RESERVED

-

-

RESERVED

-

Byte 0

-

-

RESERVED

RESERVED

-

-

RESERVED

-

RESERVED

-

-

RESERVED

RESERVED

-

RESERVED

-

RESERVED

-

-

RESERVED

-

RESERVED

RESERVED

-

RESERVED

-

RESERVED

-

-

RESERVED

-

RESERVED