
Integrated
Circuit
Systems, Inc.
ICS9LPRS511
Advance Information
1137–09/05/08
Recommended Application:
Low Power CK505 Programmable clock
Output Features:
2 - 0.8V differential push-pull CPU pairs
1 - 25 MHz
5 - PCI (33MHz)
1 - USB, 48MHz
1 - 24/48MHz
1 - REF, 14.318MHz
8 - PCIEX 0.8V differential push-pull pairs
1 - PCIEX/DOT96MHz selectable pairs
1 - SATACLK differential pair
1 - 24.576MHz output
Key Specifications:
CPU outputs cycle-cycle jitter < 85ps
PCIEX outputs cycle-cycle jitter < 125ps
PCI outputs cycle-cycle jitter < 250ps
+/- 300ppm frequency accuracy on CPU & PCIEX clocks
Low Power Programmable Timing Control Hub for P4 processor
Features/Benefits:
Programmable output frequencies
Programmable output skew.
Programmable spread percentage for EMI control.
Programmable watch dog safe frequency.
Supports tight ppm accuracy clocks for Serial-ATA
Supports spread spectrum modulation, ±0.25% center
spread.
Uses external 14.318MHz crystal, external crystal load
caps are required for frequency tuning
Low Power differential outputs (50ohm resistor to GND
not needed)
Integrated 33
series resistor on all differential
outputs
ADVANCE INFORMATION documents contain information on products in the formative or design phase development. Characteristic data and other specifications are design goals.
ICS reserves the right to change or discontinue these products without notice. Third party brands and names are the property of their respective owners.
FunctionalityTable
Pin Configuration
**RLATCH 1
64 25Mhz_0F_2x/Freerun*
GND 2
63 GND
VDD 3
62 VDD25Mhz
**GSEL/24.576Mhz 4
61 VDDSATA
VDDPCI 5
60 SATACLKT_LR
GND 6
59 SATACLKC_LR
**DOC_1 7
58 GND
PCICLK0 8
57 REF0_2x/FSLC
PCICLK1_3x 9
56 GND
FSLB/PCICLK2_2x 10
55 X1
SELRSET/RESET#/PCICLK3 11
54 X2
PCICLK412
53VDDREF
**DOC_0 13
52 SDATA
VDD48 14
51 SCLK
FSLA/USB_48MHz 15
50 GND
*SEL24_48#/24_48Mhz 16
49 CPUT_LR0
GND 17
48 CPUC_LR0
Vtt_PwrGd/WOL_STOP# 18
47 VDDCPU
DOT96T_LR/PCIeT_LR0 19
46 CPUT_LR1
DOT96C_LR/PCIeC_LR0 20
45 CPUC_LR1
GND 21
44 VDDI/O
PCIeT_LR122
43GNDA
PCIeC_LR123
42VDDA
PCIeT_LR2 24
41 PCIeT_LR8
PCIeC_LR2 25
40 PCIeC_LR8
GND 26
39 PCIeT_LR7
PCIeT_LR3 27
38 PCIeC_LR7
PCIeC_LR328
37GND
PCIeT_LR4 29
36 PCIeT_LR6
PCIeC_LR4 30
35 PCIeC_LR6
GND 31
34 PCIeT_LR5
VDDPCIEX 32
33 PCIeC_LR5
64-Pin TSSOP
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
RESET pin is 3.3V tolerant
IC
S
9
L
P
R
S
5
1
Bit4
Bit3
Bit2
Bit1
Bit0
CPU
PCIEX
PCI
SATA
FSLC
FSLB
FSLA
MHz
0
266.66
100.00
33.33
100.00
0
1
133.33
100.00
33.33
100.00
0
1
0
200.00
100.00
33.33
100.00
0
1
166.66
100.00
33.33
100.00
0
1
0
333.33
100.00
33.33
100.00
0
1
0
1
100.00
33.33
100.00
0
1
0
400.00
100.00
33.33
100.00
0
1
200.00
100.00
33.33
100.00
0
1
0
266.66
100.00
33.33
100.00
0
1
0
1
133.33
100.00
33.33
100.00
0
1
0
1
0
200.00
100.00
33.33
100.00
0
1
0
1
166.66
100.00
33.33
100.00
0
1
0
333.33
100.00
33.33
100.00
0
1
0
1
100.00
33.33
100.00
0
1
0
400.00
100.00
33.33
100.00
0
1
200.00
100.00
33.33
100.00
1
0
269.33
101.00
33.66
100.00
1
0
1
134.66
101.00
33.66
100.00
1
0
1
0
202.00
101.00
33.66
100.00
1
0
1
168.33
101.00
33.66
100.00
1
0
1
0
274.66
103.00
34.33
100.00
1
0
1
0
1
137.33
103.00
34.33
100.00
1
0
1
0
206.00
103.00
34.33
100.00
1
0
1
N/A
34.33
100.00
1
0
279.99
105.00
35.00
100.00
1
0
1
140.00
105.00
35.00
100.00
1
0
1
0
210.00
105.00
35.00
100.00
1
0
1
N/A
35.00
100.00
1
0
285.33
107.00
35.66
100.00
1
0
1
142.66
107.00
35.66
100.00
1
0
214.00
107.00
35.66
100.00
1
N/A
35.66
100.00