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ICS952607 датащи(PDF) 9 Page - Integrated Circuit Systems

номер детали ICS952607
подробное описание детали  Programmable Timing Control Hub for Next Gen P4 processor
PDF  21 Pages
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производитель  ICST [Integrated Circuit Systems]
домашняя страница  http://www.icst.com
Logo ICST - Integrated Circuit Systems

ICS952607 датащи(HTML) 9 Page - Integrated Circuit Systems

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9
Integrated
Circuit
Systems, Inc.
ICS952607
Advance Information
0734—07/16/04
I
2C Table: Output Control Register
Control
Function
Bit 7
ASEL1
3V66/PCI Freq Select
RW
0
Bit 6
Reserved
Reserved
RW
0
Bit 5
PCICLK5
Output Control
RW
1
Bit 4
PCICLK4
Output Control
RW
1
Bit 3
PCICLK3
Output Control
RW
1
Bit 2
PCICLK2
Output Control
RW
1
Bit 1
PCICLK1
Output Control
RW
1
Bit 0
PCICLK0
Output Control
RW
1
Disable
Enable
See Table 5: Async AGP/PCI Freq Table
--
Disable
Enable
Disable
Enable
Disable
Enable
Disable
Enable
Disable
Enable
PWD
-
Byte 3
Pin #
Name
Type
0
1
-
20
19
16
15
14
13
Table 3: Linear M/N AGP/PCI Programmable Frequency Example
C
31
65.15
32.58
C
33
67.44
33.72
B
2D
65.24
32.62
7
1E
67.57
33.78
A
29
65.34
32.67
B
2F
67.70
33.85
7
1D
65.79
32.89
A
2B
68.01
34.01
6
19
66.01
33.01
C
34
68.58
34.29
D
36
66.14
33.07
B
30
68.93
34.47
C
32
66.30
33.15
A
2C
69.34
34.67
B
2E
66.47
33.24
C
35
69.73
34.86
A
2A
66.68
33.34
9
28
69.83
34.91
D
37
67.21
33.61
6
1B
70.01
35.01
Hex B5b3:0 Hex B6b6:0 AGP Freq
PCI Freq
Hex B5b3:0 Hex B6b6:0 AGP Freq
PCI Freq
I
2C Table: Output Control Register
Control
Function
Bit 7
48MHz_0
2x output drive
0=2x drive
RW
0
Bit 6
SRCFS
SRC Frequency
Select
-0
Bit 5
Reserved
Reserved
RW
0
Bit 4
3V66_1
Output Control
RW
1
Bit 3
3V66_0
Output Control
RW
1
Bit 2
PCICLK_F2
Output Control
RW
1
Bit 1
PCICLK_F1
Output Control
RW
1
Bit 0
PCICLK_F0
Output Control
RW
1
I
2C Table: Reserved Register
Control
Function
Bit 7
3V66_3/VCH
Select
Output Select
RW
0
Bit 6
Mode Sel1
RW
0
Bit 5
Mode Sel0
RW
0
Bit 4
3V66_3/VCH
Output Control
RW
1
Bit 3
M PLL2 Div3
RW
X
Bit 2
M PLL2 Div2
RW
X
Bit 1
M PLL2 Div1
RW
X
Bit 0
M PLL2 Div0
RW
X
3V66
VCH
See Table 4: Mode Selection Table
Disable
Enable
Disable
Enable
Disable
Enable
Disable
Enable
Disable
Enable
100MHz
200MHz
Disable
Enable
--
The decimal representation of M PLL2 Div
(3:0) + 2 is equal to REF divider value for
PLL2
01
01
-
-
-
-
PWD
8
Byte 5
Pin #
Name
Type
PWD
2x drive
normal
Name
Type
Byte 4
Pin #
PLL Mode Selection
Bits
M Divider
Programming bits for
Async mode 2&3
26
-
-
30
31
10
9
-



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