PI6C100 Просмотр технического описания (PDF) - Pericom Semiconductor
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PI6C100 Datasheet PDF : 13 Pages
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PI6C100
Precision Clock Synthesizer
for Desktop PCs 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Select Functions
SEL100/66#
SEL1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
SEL0
0
1
0
1
0
1
0
1
Function
Hi-Z
Reserved
Reserved
66 MHz active
Test mode
Reserved
Reserved
100 MHz active
Function
Description
CPU
Outputs
PCI, PCI F 48MHz
REF[0:2]
IOAPIC
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Test Mode TCLK/2 TCLK/6 TCLK/2 TCLK
TCLK
Note:
TCLK is a test clock over driven on the XTAL_IN input during test mode.
Clock Enable Configuration
CPU_STOP# PCI_STOP# PWR_DWN# CPUCLK PCICLK
X
X
0
low
low
0
0
1
low
low
0
1
1
low
33 MHz
1
0
1
100/66
MHz
low
1
1
1
100/66
MHz
33 MHz
Other
Clocks
Stopped
running
running
running
running
Crystal VCO's
off
off
running running
running running
running running
running running
200
PS8142A 10/13/98
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