19
Integrated
Circuit
Systems, Inc.
ICS953002
0924—11/18/09
Table 1a. CPU PLL1 Turbo Rom (continued)
FS4 FS3 FSL2 FSL1 FSL0 CPUFS4 CPUFS3 CPUFS2 CPUFS1 CPUFS0 CPU PCI-EX AGP PCI Spreading
B0b4 B0b3 B0b2 B0b1 B0b0 B1bit4 B1bit3 B1bit2 B1bit1 B1bit0 Mhz (default) (default) (default) %
0111 0 00000
N/A N/A N/A N/A
Down S
p
0-0.5 %
0111 0 00001
N/A N/A N/A N/A
Center +/- 0.25
0111 0 00010
N/A N/A N/A N/A
Center +/- 0.25
0111 0 00011
N/A N/A N/A N/A
Center +/- 0.25
0111 0 00100
N/A N/A N/A N/A
Center +/- 0.25
0111 0 00101
N/A N/A N/A N/A
Center +/- 0.25
0111 0 00110
N/A N/A N/A N/A
Center +/- 0.25
0111 0 00111
N/A N/A N/A N/A
Center +/- 0.25
0111 0 01000
200.00 100.00 66.67 33.33
Down S
p
0-0.5 %
0111 0 01001
202.00 101.00 67.33 33.67
Center +/- 0.25
0111 0 01010
206.00 103.00 68.67 34.33
Center +/- 0.25
0111 0 01011
210.00 105.00 70.00 35.00
Center +/- 0.25
0111 0 01100
214.00 107.00 71.33 35.67
Center +/- 0.25
0111 0 01101
218.00 109.00 72.67 36.33
Center +/- 0.25
0111 0 01110
220.00 110.00 73.33 36.67
Center +/- 0.25
0111 0 01111
222.00 111.00 74.00 37.00
Center +/- 0.25
0111 0 10000
166.67 111.11 66.67 33.33
Down Sp 0-0.5 %
0111 0 10001
168.33 112.22 67.33 33.67
Center +/- 0.25
0111 0 10010
171.66 114.44 68.67 34.33
Center +/- 0.25
0111 0 10011
175.00 116.67 70.00 35.00
Center +/- 0.25
0111 0 10100
178.33 118.89 71.33 35.67
Center +/- 0.25
0111 0 10101
181.66 121.11 72.67 36.33
Center +/- 0.25
0111 0 10110
183.33 122.22 73.33 36.67
Center +/- 0.25
0111 0 10111
185.00 123.33 74.00 37.00
Center +/- 0.25
0111 0 11000
200.00 100.00 66.67 33.33
Down Sp 0-0.5 %
0111 0 11001
202.00 101.00 67.33 33.67
Center +/- 0.25
0111 0 11010
206.00 103.00 68.67 34.33
Center +/- 0.25
0111 0 11011
210.00 105.00 70.00 35.00
Center +/- 0.25
0111 0 11100
214.00 107.00 71.33 35.67
Center +/- 0.25
0111 0 11101
218.00 109.00 72.67 36.33
Center +/- 0.25
0111 0 11110
220.00 110.00 73.33 36.67
Center +/- 0.25
0111 0 11111
222.00 111.00 74.00 37.00
Center +/- 0.25
20
Integrated
Circuit
Systems, Inc.
ICS953002
0924—11/18/09
Table 1a. CPU PLL1 Turbo Rom (continued)
FS4 FS3 FSL2 FSL1 FSL0 CPUFS4 CPUFS3 CPUFS2 CPUFS1 CPUFS0 CPU PCI-EX AGP PCI Spreading
B0b4 B0b3 B0b2 B0b1 B0b0 B1bit4 B1bit3 B1bit2 B1bit1 B1bit0 Mhz (default) (default) (default) %
0111 1 00000
N/A N/A N/A N/A
Down S
p
0-0.5 %
0111 1 00001
N/A N/A N/A N/A
Center +/- 0.25
0111 1 00010
N/A N/A N/A N/A
Center +/- 0.25
0111 1 00011
N/A N/A N/A N/A
Center +/- 0.25
0111 1 00100
N/A N/A N/A N/A
Center +/- 0.25
0111 1 00101
N/A N/A N/A N/A
Center +/- 0.25
0111 1 00110
N/A N/A N/A N/A
Center +/- 0.25
0111 1 00111
N/A N/A N/A N/A
Center +/- 0.25
0111 1 01000
200.00 100.00 66.67 33.33
Down S
p
0-0.5 %
0111 1 01001
202.00 101.00 67.33 33.67
Center +/- 0.25
0111 1 01010
206.00 103.00 68.67 34.33
Center +/- 0.25
0111 1 01011
210.00 105.00 70.00 35.00
Center +/- 0.25
0111 1 01100
214.00 107.00 71.33 35.67
Center +/- 0.25
0111 1 01101
218.00 109.00 72.67 36.33
Center +/- 0.25
0111 1 01110
220.00 110.00 73.33 36.67
Center +/- 0.25
0111 1 01111
222.00 111.00 74.00 37.00
Center +/- 0.25
0111 1 10000
166.67 111.11 66.67 33.33
Down Sp 0-0.5 %
0111 1 10001
168.33 112.22 67.33 33.67
Center +/- 0.25
0111 1 10010
171.66 114.44 68.67 34.33
Center +/- 0.25
0111 1 10011
175.00 116.67 70.00 35.00
Center +/- 0.25
0111 1 10100
178.33 118.89 71.33 35.67
Center +/- 0.25
0111 1 10101
181.66 121.11 72.67 36.33
Center +/- 0.25
0111 1 10110
183.33 122.22 73.33 36.67
Center +/- 0.25
0111 1 10111
185.00 123.33 74.00 37.00
Center +/- 0.25
0111 1 11000
200.00 100.00 66.67 33.33
Down Sp 0-0.5 %
0111 1 11001
202.00 101.00 67.33 33.67
Center +/- 0.25
0111 1 11010
206.00 103.00 68.67 34.33
Center +/- 0.25
0111 1 11011
210.00 105.00 70.00 35.00
Center +/- 0.25
0111 1 11100
214.00 107.00 71.33 35.67
Center +/- 0.25
0111 1 11101
218.00 109.00 72.67 36.33
Center +/- 0.25
0111 1 11110
220.00 110.00 73.33 36.67
Center +/- 0.25
0111 1 11111
222.00 111.00 74.00 37.00
Center +/- 0.25
B0b4 B0b3 B0b2 PCI-EX AGP PCI
FS4 FS3 FSL2 B5b6 = 1 B5b7 = 1 B5b7=1
0 0 0 100 66.66 33.33
0 0 1 100 66.66 33.33
0 1 0 100 66.66 33.33
011
102.00 68.00 34.00
100
102.00 68.00 34.00
101
102.00 68.00 34.00
1 1 0 100 66.66 33.33
1 1 1 100 66.66
33.33
Center SP +/- 0.25
Center SP +/- 0.25
0 to -0.5% Down
Center SP +/- 0.25
Center SP +/- 0.25
Center SP +/- 0.25
Spread
%
0 to -0.5% Down
0 to -0.5% Down
Table 1b. PLL2 AGP/PCI/SRC/PCI-EX Select
21
Integrated
Circuit
Systems, Inc.
ICS953002
0924—11/18/09
General I
2
C serial interface information for the ICS953002
How to Write:
Controller (host) sends a start bit.
Controller (host) sends the write address D2
(H)
ICS clock will
acknowledge
Controller (host) sends the begining byte location = N
ICS clock will
acknowledge
Controller (host) sends the data byte count = X
ICS clock will
acknowledge
Controller (host) starts sending
Byte N through
Byte N + X -1
ICS clock will
acknowledge
each byte
one at a time
Controller (host) sends a Stop bit
How to Read:
Controller (host) will send start bit.
Controller (host) sends the write address D2
(H)
ICS clock will
acknowledge
Controller (host) sends the begining byte
location = N
ICS clock will
acknowledge
Controller (host) will send a separate start bit.
Controller (host) sends the read address D3
(H)
ICS clock will
acknowledge
ICS clock will send the data byte count = X
ICS clock sends
Byte N + X -1
ICS clock sends
Byte 0 through byte X (if X
(H)
was written to byte 8)
.
Controller (host) will need to acknowledge each byte
Controllor (host) will send a not acknowledge bit
Controller (host) will send a stop bit
ICS (Slave/Receiver)
T
WR
ACK
ACK
ACK
ACK
ACK
P
stoP bit
X Byte
Index Block Write Operation
Slave Address D2
(H)
Beginning Byte = N
WRite
starT bit
Controller (Host)
Byte N + X - 1
Data Byte Count = X
Beginning Byte N
T starT bit
WR WRite
RT Repeat starT
RD ReaD
Beginning Byte N
Byte N + X - 1
N Not acknowledge
PstoP bit
Slave Address D3
(H)
Index Block Read Operation
Slave Address D2
(H)
Beginning Byte = N
ACK
ACK
Data Byte Count = X
ACK
ICS (Slave/Receiver)
Controller (Host)
X Byte
ACK
ACK

953002CFLF

Mfr. #:
Manufacturer:
IDT
Description:
Clock Generators & Support Products PC MAIN CLOCK
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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