ICS9148F-93 Просмотр технического описания (PDF) - Integrated Circuit Systems
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ICS9148F-93 Datasheet PDF : 14 Pages
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Mode Pin - Power Management Input Control
MODE, Pin 25
(Latched Input)
0
1
Pin 17
CPU_STOP#
(INPUT)
SDRAM 11
(OUTPUT)
Pin 18
PCI_STOP#
(INPUT)
SDRAM 10
(OUTPUT)
ICS9148 - 93
Advance Information
Power Management Functionality
CPU_STOP#
0
1
1
PCI_STOP#
1
1
0
AGP,
CPUCLK
Outputs
Stopped Low
Running
Running
PCICLK
(0:5)
Running
Running
Stopped Low
PCICLK_F,
REF,
24/48MHz
and SDRAM
Running
Running
Running
Crystal
OSC
Running
Running
Running
VCO
Running
Running
Running
CPU 3.3#_2.5V Buffer selector for CPUCLK drivers.
CPU3.3#_2.5
Input level
(Latched Data)
1
0
Buffer Selected for
operation at:
2.5V VDD
3.3V VDD
Functionality
VDD1, 2, 3, 4 = 3.3V±5%, VDDL = 2.5V ±5% or 3.3 ±5%, TA= 0 to 70°C
Crystal (X1, X2) = 14.31818MHz
FS2
FS1
FS0
CPU (MHz)
SDRAM (MHz)
PCI (MHz)
0
0
0
0
0
1
90.00
66.82
30.00
33.41
0
1
0
0
1
1
68.49
75.00
34.25
37.5
1
0
0
75.00
30.00
1
0
1
83.31
33.32
1
1
0
95.25
31.75
1
1
1
100.00
33.33
AGP (MHz)
60.00
66.82
68.49
75.00
60.00
66.64
63.50
66.66
3
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