AC9248-81 데이터 시트보기 (PDF) - Integrated Circuit Systems
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AC9248-81 Datasheet PDF : 18 Pages
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ICS9248 - 81
Mode Pin - Power Management Input Control
MODE, Pin 2
(Latched Input)
0
1
Pin 17
CPU_STOP#
(INPUT)
SDRAM 11
(OUTPUT)
Pin 18
PCI_STOP#
(INPUT)
SDRAM 10
(OUTPUT)
Pin 20
SDRAM_STOP#
(INPUT)
SDRAM9
(OUTPUT)
Pin 21
PD#
(INPUT)
SDRAM8
(OUTPUT)
Power Management Functionality
PD# CPU_STOP# PCI_STOP# SDRAM_STOP
PCICLK
(0:4)
0
X
X
X
Stopped
Low
1
1
1
1
Running
1
1
1
0
Running
1
1
0
1
1
0
1
Stopped
Low
0
Stopped
Low
1
0
1
1
Running
1
0
1
1
0
0
1
0
0
0
Running
1
Stopped
Low
Stopped
0
Low
SDRAM
(0:12)
Stopped
Low
Running
Stopped
Low
PCICLK_F
Stopped
Low
Running
Running
CPUCLK
Stopped
Low
Running
Running
Running Running Running
Stopped
Low
Running
Stopped
Low
Running
Stopped
Low
Running
Running
Running
Running
Running
Running
Stopped
Low
Stopped
Low
Stopped
Low
Stopped
Low
Crystal
OSC
Stopped
Low
Running
Running
Running
Running
Running
Running
Running
Running
VCO
Stopped
Low
Running
Running
Running
Running
Running
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
3
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