ICS9LPR501_09 Datasheet, PDF (17/21 Pages) Integrated Device Technology – 64-PIN CK505 W/FULLY INTEGRATED VOLTAGE REGULATOR

ICS9LPR501
64-PIN CK505 W/FULLY INTEGRATED VOLTAGE REGULATOR
Byte 16 CK505 PLL1 Spread Spectrum Control Register
Bit Pin
Name
Description
7
Reserved
Reserved
6
SSP14
5
SSP13
4
SSP12
These Spread Spectrum bits will program the
3
SSP11
spread pecentage. Contact ICS for the correct
2
SSP10
values.
1
SSP9
0
SSP8
Type
RW
RW
RW
RW
RW
RW
RW
RW
Byte 17 CK505 PLL3 M/N Programming Register
Bit Pin
Name
Description
Type
7
N Div8
N Divider 8
RW
6
N Div9
N Divider 9
RW
5
M Div5
RW
4
M Div4
The decimal representation of M Div (5:0) is equal ^RW
3
M Div3
to reference divider value. Default at power up = ^RW
2
M Div2
1
M Div1
latch-in or Byte 0 Rom table.
RW
RW
0
M Div0
RW
Byte 18 CK505 PLL3 M/N Programming Register
Bit Pin
Name
Description
Type
7
N Div7
RW
6
N Div6
RW
5
4
N Div5
N Div4
The decimal representation of N Div (9:0) is equal
to VCO divider value. Default at power up = latch-
RW
RW
3
N Div3
in or Byte 0 Rom table.
RW
2
N Div2
RW
1
N Div1
RW
0
N Div0
RW
Byte 19 CK505 PLL3 Spread Spectrum Control Register
Bit Pin
Name
Description
7
SSP7
6
SSP6
5
SSP5
These Spread Spectrum bits will program the
4
SSP4
spread pecentage. Contact ICS for the correct
3
SSP3
2
SSP2
values.
1
SSP1
0
SSP0
Type
RW
RW
RW
RW
RW
RW
RW
RW
Byte 20 CK505 PLL3 Spread Spectrum Control Register
Bit Pin
Name
Description
7
Reserved
Reserved
6
SSP14
5
SSP13
4
SSP12
These Spread Spectrum bits will program the
3
SSP11
spread pecentage. Contact ICS for the correct
2
SSP10
values.
1
SSP9
0
SSP8
Type
RW
RW
RW
RW
RW
RW
RW
RW
Byte 21 M/N Enables
Bit Pin
Name
7
Reserved
6
Reserved
5
Reserved
4
Reserved
3
Reserved
2
Reserved
1
M/N Enable CPU
0
M/N Enable SRC/PCI
Description
Type
RW
RW
RW
RW
RW
RW
RW
RW
IDT^TM/ICS^TM 64-pin CK505 w/Fully Integrated Voltage Regulator
17
Datasheet
Advance Information
0
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0
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0
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-
-
0
-
-
-
-
-
-
-
-
0
-
-
-
-
-
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-
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0
Disable
Disable
1
-
-
-
-
-
-
-
-
1
-
-
-
-
-
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-
-
1
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1
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1
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1
Enable
Enable
Default
0
x
X
X
X
X
X
X
Default
X
X
X
X
X
X
X
X
Default
X
X
X
X
X
X
X
X
Default
X
X
X
X
X
X
X
X
Default
0
X
X
X
X
X
X
X
Default
0
0
0
0
0
0
0
0
1118M—11/24/09