ics9lprs525 Integrated Device Technology, ics9lprs525 Datasheet - Page 10

• Manufacturer Part Number: ics9lprs525
• Description: 56-pin Ck505 For Intel Systems
• Manufacturer: Integrated Device Technology

IDT
Table 1: CPU Frequency Select Table
1. FS
2. FS
Table 2: PLL3 Quick Configuration (only applies in Mode 0, see Table 6)
B1b4 B1b3 B1b2
FS
B0b7
ICS9LPRS525
PC MAIN CLOCK
the Input/Supply/Common Output Parameters Table for correct values.
Also refer to the Test Clarification Table.
specifications in the Input/Supply/Common Output Parameters Table for correct values.
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
TM
0
0
0
0
1
1
1
1
L
L
L
PC MAIN CLOCK
C
A and FS
C is a three-level input. Please see the V
2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
FS
B0b6
0
0
1
1
0
0
1
1
L
L
B
B are low-threshold inputs.Please see V
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
FS
B0b5
B1b1
0
1
0
1
0
1
0
1
L
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
A
1
Pin 17 Pin 18
100.00 100.00 0.5% Down Spread
100.00 100.00 0.5% Down Spread
100.00 100.00
100.00 100.00 1.5% Down Spread
100.00 100.00
100.00 100.00 2.5% Down Spread
24.576 24.576
24.576 98.304
98.304 98.304
27.000 27.000
25.000 25.000
MHz
N/A
N/A
N/A
N/A
266.66
133.33
200.00
166.66
333.33
100.00
400.00
CPU
MHz
MHz
N/A
N/A
N/A
N/A
IL_FS
100.00
SRC
MHz
and V
1% Down Spread
2% Down Spread
Reserved
IL_FS
IH_FS
Spread
33.33 14.318 48.00 96.00
None
None
None
None
None
MHz
PCI
N/A
N/A
N/A
N/A
%
and V
PLL 3 disabled
IH_FS
MHz
REF
specifications in
10
24.576Mhz on SE1, 98.304Mhz on SE2
USB
MHz
SRC clocks from SRC_MAIN
24.576Mhz on SE1 and SE2
98.304Mhz on SE1 and SE2
Only SRCCLK1 from PLL3
Only SRCCLK1 from PLL3
Only SRCCLK1 from PLL3
Only SRCCLK1 from PLL3
Only SRCCLK1 from PLL3
27Mhz on SE1 and SE2
25Mhz on SE1 and SE2
DOT
MHz
Comment
N/A
N/A
N/A
N/A
1484C—04/20/10