CY2210-02 Ver la hoja de datos (PDF) - SpectraLinear Inc

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CY2210-02

133 MHz Spread Spectrum Clock Synthesizer/Driver with AGP, USB, and DRCG Support

SpectraLinear Inc 

CY2210

Switching Waveforms (continued)

CPU-PCI Clock Skew

CPU

t14

PCI

CPU_STOP Timing[7, 8]

CPUCLK

(Internal)

PCICLK

(Internal)

PCICLK

(Free-Running)

CPU_STOP

CPU, CPU/2, AGP

(External)

PCI_STOP

CPUCLK

(Internal)

PCICLK

(Internal)

PCICLK

(Free-Running)

PCI_STOP

PCICLK

(External)

PWR_DOWN

CPUCLK

(Internal)

PCICLK

(Internal)

PWR_DWN

CPUCLK

(External)

PCICLK

(External)

VCO

Crystal

Shaded section on the VCO and Crystal waveforms indicates that the VCO and crystal oscillator are active, and there is a valid clock.

Notes:

7. CPUCLK on and CPUCLK off latency is 2 or 3 CPUCLK cycles.

8. CPU_STOP may be applied asynchronously. It is synchronized internally.

Rev 1.0, November 25, 2006

Page 8 of 10

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