ICS91718 View Datasheet(PDF) - Integrated Circuit Systems

Part Name

Description

Manufacturer

ICS91718

Low EMI, Spread Modulating, Clock Generator

Integrated Circuit Systems 

ICS91718

BYTE

Affected Pin

0 Pin #

Name

Bit 7 -

N/A

Bit 6 -

N/A

Bit 5

N/A

Bit 4

N/A

Bit 3

N/A

Bit 2

N/A

Bit 1

N/A

Bit 0

HW/SW Control

Bit Control

Control Function

0

1 PWD

FS0

RW

1

FS1

RW

0

FS2

RW See ROM TABLE 0

FS3

RW

0

FS4

RW

0

PD# Tri_Sate

RW Hi-Z LOW 1

Spread Enable

RW OFF ON 1

Spread Spectrum Control

FS 2:4 Hard/Software RW HW SW 0

Select

BYTE

Affected Pin

1 Pin #

Name

Bit 7 5

Bit 6 5

Bit 5

Bit 4

Bit 3 4

Bit 2 4

Bit 1

Bit 0

REF_OUT

REF_OUT

FS_IN1 Readback

FS_IN0 Readback

CLK_OUT

CLK_OUT

Reserved

Reserved

Control Function

REF_OUT ENABLE

Slew Rate REF-OUT

FS_IN1 Readback

FS_IN0 Readback

Slew Rate CLK-OUT

CLK_OUT_Enable

Reserved

Reserved

Bit Control

0

1 PWD

RW Disable Enable 1

RW Nominal Fast 1

RW -

-

1

RW -

-

1

RW Nominal Fast 1

RW Disable Enable 1

R

-

-

1

R

-

-

1

BYTE

Affected Pin

2 Pin #

Name

Bit 7 x

Bit 6 x

Bit 5 x

Bit 4 x

Bit 3 x

Bit 2 x

Bit 1 x

Bit 0 x

-

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

Control Function

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

RESERVED

Bit Control

0

1 PWD

-

-

-

1

RW Disable Enable 1

RW Disable Enable 1

RW Disable Enable 1

RW Disable Enable 1

RW Disable Enable 1

RW Disable Enable 1

RW Disable Enable 1

0500D—07/15/04

5

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