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參數(shù)資料
| 型號： | 950811YGT |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封裝： | 6.10 MM, 0.50 MM PITCH, MO-153, TSSOP-56 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 283K |
| 代理商： | 950811YGT |
14
ICS950811
0482E—08/09/07
Assertion of PCI_STOP# Waveforms
PCI_STOP# - Assertion (transition from logic "1" to logic "0")
CPU_STOP#
CPUT
CPUC
CPU_STOP# - Assertion (transition from logic "1" to logic "0")
Assertion of CPU_STOP# Waveforms
CPU_STOP# Functionality
#
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PCI_STOP#
PCI_F[2:0] 33MHz
PCI[6:0] 33MHz
tsu
The impact of asserting the PCI_STOP# signal will be the following. All PCI[6:0] and stoppable PCI_F[2,0] clocks will
latch low in their next high to low transition. The PCI_STOP# setup time tsu is 10 ns, for transitions to be recognized
by the next rising edge.
The impact of asserting the CPU_STOP# pin is all CPU outputs that are set in the I
2C configuration to be stoppable
via assertion of CPU_STOP# are to be stopped after their next transition following the two CPU clock edge sampling
as shown. The final state of the stopped CPU signals is CPUT=High and CPUC=Low. There is to be no change to the
output drive current values. The CPUT will be driven high with a current value equal to (MULTSEL0) X (I REF), the CPUC
signal will not be driven.
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