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參數(shù)資料
| 型號(hào)： | CY2833 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Intel CK408 Mobile Clock Synthesizer |
| 中文描述： | 英特爾CK408移動(dòng)時(shí)鐘合成器 |
| 文件頁(yè)數(shù)： | 8/18頁(yè) |
| 文件大?。?/td> | 224K |
| 代理商： | CY2833 |
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CY28339
Document #: 38-07507 Rev. *A
Page 8 of 18
PD# Deassertion
The power-up latency between PD# rising to a valid logic ‘1’
level and the starting of all clocks is less than 3.0 ms.
CPU_STOP# Clarification
The CPU_STOP# signal is an active LOW input used to
synchronously stop and start the CPU output clocks while the
rest of the clock generator continues to function.
CPU_STOP# Assertion
When CPU_STOP# pin is asserted, all CPUT/C outputs that
are set with the SMBus configuration to be stoppable via
assertion of CPU_STOP# will be stopped after being sampled
by two falling CPUT/C clock edges. The final state of the
stopped CPU signals is CPUT = HIGH and CPU0C = LOW.
There is no change to the output drive current values during
the stopped state. The CPUT is driven HIGH with a current
value equal to (Mult 0 “select”) × (Iref), and the CPUC signal
will not be driven. Due to external pull-down circuitry CPUC will
be LOW during this stopped state.
CPU 133MHz
3V66
CPU# 133MHz
REF 14.318MHz
USB 48MHz
PCIF / APIC
33MHz
PCI 33MHz
66In
66Buff
PWRDWN#
66Buff1 / GMCH
400uS max
<1.8mS
30uS min
Figure 4. Power-down Deassertion Timing Waveforms – Buffered Mode
CPU_STP#
CPUT
CPUC
CPUT
CPUC
Figure 5. CPU_STOP# Assertion Waveform
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY28339ZCXT | Intel CK408 Mobile Clock Synthesizer |
| CY28339ZXC | Intel CK408 Mobile Clock Synthesizer |
| CY28339ZC | Intel CK408 Mobile Clock Synthesizer |
| CY28339ZCT | Intel CK408 Mobile Clock Synthesizer |
| CY28339 | Intel CK408 Mobile Clock Synthesizer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY28330 | 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:Clock Generator for AMD⑩ Hammer |
| CY28330OC | 制造商:Cypress Semiconductor 功能描述: |
| CY28330OCT | 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:Clock Generator for AMD⑩ Hammer |
| CY28331 | 制造商:CYPRESS 制造商全稱(chēng):Cypress Semiconductor 功能描述:Clock Generator for AMD⑩ Hammer |
| CY28331-2 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Clocks and Buffers |
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