9E4101AFILF datasheet(8/19 Pages) IDT

Part #	9E4101AFILF

Description	Programmable Timing Control HubTM for Intel Systems

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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IDTTM

Programmable Timing Control HubTM for Intel Systems

1408A—01/25/10

ICS9E4101

Programmable Timing Control HubTM for Intel Systems

8

I

2C Table: Watchdog Timer Register

Pin #

Name

Control Function

Type0

1

PWD

Bit 7

0

Bit 6

0

Bit 5

0

Bit 4

WD4

RW

-

0

Bit 3

WD3

RW

-

0

Bit 2

WD2

RW

-

0

Bit 1

WD1

RW

-

0

Bit 0

WD0

RW

-

0

Pin #

Name

Control Function

Type0

1

PWD

Bit 6

WDEN

Watchdog Enable

R

Disable

Enable

1

Bit 5

0

Bit 4

0

Bit 3

0

Bit 2

0

Bit 1

0

Bit 0

0

I

2C Table: VCO Frequency Control Register

Pin #

Name

Control Function

Type0

1

PWD

Bit 7

N Div8

N Divider Bit 8

RW

-

X

Bit 6

M Div6

RW

-

X

Bit 5

M Div5

RW

-

X

Bit 4

M Div4

RW

-

X

Bit 3

M Div3

RW

-

X

Bit 2

M Div2

RW

-

X

Bit 1

M Div1

RW

-

X

Bit 0

M Div0

RW

-

X

I

2C Table: VCO Frequency Control Register

Pin #

Name

Control Function

Type0

1

PWD

Bit 7

N Div7

RW

-

X

Bit 6

N Div6

RW

-

X

Bit 5

N Div5

RW

-

X

Bit 4

N Div4

RW

-

X

Bit 3

N Div3

RW

-

X

Bit 2

N Div2

RW

-

X

Bit 1

N Div1

RW

-

X

Bit 0

N Div0

RW

-

X

I

2C Table: Spread Spectrum Control Register

Pin #

Name

Control Function

Type0

1

PWD

Bit 7

SSP7

RW

-

X

Bit 6

SSP6

RW

-

X

Bit 5

SSP5

RW

-

X

Bit 4

SSP4

RW

-

X

Bit 3

SSP3

RW

-

X

Bit 2

SSP2

RW

-

X

Bit 1

SSP1

RW

-

X

Bit 0

SSP0

RW

-

X

0

M/NEN

M/N Programming

Enable

RW

Disable

-

Enables

prograaming bytes

10-19

Byte 9

-

I

2C Table: VCO Control Select Bit & WD Timer Control Register

Byte 10

Bit 7

The decimal

representation of M

Div (6:0) is equal to

reference divider

value. Default at

power up = latch-in

or Byte 0 Rom

Byte 11

-

The decimal

representation of N

Div (8:0) is equal to

VCO divider value.

Default at power up

= latch-in or Byte 0

Rom table.

Byte 12

-

These Spread

Spectrum bits will

program the spread

pecentage. It is

recommended to

use ICS Spread %

table for spread

programming.

Byte 13

-

RESERVED

Enable

RESERVED

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