ICS950602 Datasheet, PDF (8/16 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for PII/III

Integrated
Circuit
Systems, Inc.
ICS950602
Byte 13: Spread Spectrum Control Register
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Name
SS 7
SS 6
SS 5
SS 4
SS 3
SS 2
SS 1
SS 0
PWD
X
X
X
X
X
X
X
X
Description
The Spread Spectrum will program the spread precentage. Spread
precent needs to be calculated based on the VCO frequency,
spreading profile, spreading amount and spread frequency. It is
recommended to use ICS software for spread programming.
Default power on is latched FS divider.
Byte 14: Spread Spectrum Control Register
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Name
Reserved
Reserved
Reserved
SS 12
SS 11
SS 10
SS 9
SS 8
PWD
X
X
X
X
X
X
X
X
Description
Reserved
Reserved
Reserved
Spread Spectrum Bit 12
Spread Spectrum Bit 11
Spread Spectrum Bit 10
Spread Spectrum Bit 9
Spread Spectrum Bit 8
0469B—12/18/02
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