ics950402 Integrated Device Technology, ics950402 Datasheet - Page 9

• Manufacturer Part Number: ics950402
• Description: Amd - K8 System Clock Chip
• Manufacturer: Integrated Device Technology

0700B—04/30/04
I
I
I
I
2
2
2
2
C Table: VCO Frequency Control Register
C Table: Spread Spectrum Control Register
C Table: Spread Spectrum Control Register
C Table: Output Divider Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 12
Byte 13
Byte 14
Byte 15
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Pin #
Pin #
Pin #
Pin #
PCI / HTTDiv3
PCI / HTTDiv2
PCI / HTTDiv1
PCI / HTTDiv0
CPU Div3
CPU Div2
CPU Div1
CPU Div0
Reserved
Reserved
Reserved
SSP12
SSP11
SSP10
N Div7
N Div6
N Div5
N Div4
N Div3
N Div2
N Div1
N Div0
Name
Name
Name
Name
SSP7
SSP6
SSP5
SSP4
SSP3
SSP2
SSP1
SSP0
SSP9
SSP8
(8:0) + 8 is equal to VCO
recommended to use ICS
It is recommended to use
PCI(9:7)/HTT(2:0) divider
These Spread Spectrum
CPU divider ratio can be
divider value. Default at
ICS Spread % table for
spread pecentage. It is
representation of N Div
ratio can be configured
configured via these 4
power up = latch-in or
spread programming.
spread programming.
bits will program the
Spread % table for
Byte 0 Rom table.
bits individually.
via these 4 bits
The decimal
individually.
Function
Function
Function
Reserved
Reserved
Reserved
Function
Control
Control
Control
Control
9
Type
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
R
R
R
See Table 2: Divider Ratio
See Table 2: Divider Ratio
Combination Table
Combination Table
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ICS950402
1
1
1
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PWD
PWD
PWD
PWD
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1