AV1572 View Datasheet(PDF) - Integrated Circuit Systems

Part Name

Description

Manufacturer

AV1572

User Programmable Differential Output Graphics Clock Generator

Integrated Circuit Systems 

BIT(S)

33-38

39

40

41-44

45-48

49-55

56

BIT REF.

M[0]..M[5]

RESERVED

DBLFREQ

A[0]..A[3]

RESERVED

R[0]..R[6]

RESERVED

ICS1572

DESCRIPTION

M counter control bits

Modulus = value +1

Set to zero.

Doubles modulus of dual-modulus prescaler (from 6/7 to 12/14).

Controls A counter. When set to zero, modulus=7. Otherwise,

modulus=7 for “value” underflows of the prescaler, and modulus=6

thereafter until M counter underflows.

Set to zero.

Reference divider modulus control bits

Modulus = value + 1

Set to zero.

11

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