953002CFLF Datasheet, PDF (27/35 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for Next Gen P4 processor

Integrated
Circuit
Systems, Inc.
ICS953002
I²C Table: PLL2 Spread Spectrum Control Register
Byte 20
Pin #
Name
Control Function
Bit 7
-
Bit 6
-
Bit 5
-
Bit 4
-
Bit 3
-
Bit 2
-
Bit 1
-
Bit 0
-
Reserved
SSP14
SSP13
SSP12
SSP11
SSP10
SSP9
SSP8
Reserved
Spread Spectrum
Programming b(14:8)
Type
R
RW
RW
RW
RW
RW
RW
RW
0
1
-
-
These Spread Spectrum bits in Byte 19
and 20 will program the spread pecentage
of PLL2
PWD
0
X
X
X
X
X
X
X
0924—11/18/09
27