ICS9150-08 Datasheet, PDF (3/13 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Pentium/Pro™

Mode Pin - Power Management Input Control
MODE, Pin 8
(Latched Input)
0
1
Pin 3
PCI_STOP#
(INPUT)
Ref 0
(OUTPUT)
ICS9150- 08
Power Management Functionality
CPU_STOP#
0
1
1
0
PCI_STOP#
1
1
0
0
CPUCLK
Outputs
Stopped Low
Running
Running
Stopped Low
PCICLK
(0:5)
Running
Running
Stopped Low
Stopped Low
PCICLK_F,
REF,
24/48MHz
and SDRAM
Running
Running
Running
Running
Crystal
OSC
Running
Running
Running
Running
VCO
Running
Running
Running
Running
Functionality
V_DD1,2,3 = 3.3V±5%, V_DDL1,2 = 2.5V±5% or 3.3±5%, TA=0 to 70°C
Crystal (X1, X2) = 14.31818MHz
FS2 FS1 FS0
1
1
1
1
1
0
1
0
1
1
0
0
0
1
1
0
1
0
0
0
1
0
0
0
CPU
(M Hz)
100.2
133.3¹
11 2 ¹
103
66.8
83.3
75
50
PCIC LK
(M Hz)
33.3 (C PU/3)
33.3 (C PU/4)¹
37.3¹
34.3 (C PU/3)
33.4 (C PU/2)
41.65 (C PU/2)
37.5 (C PU/2)
25 (C PU/2)
REF, IO APIC
(M Hz)
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
Note1. Performance not guaranteed
3