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CY28551-3 - Universal Clock Generator

Description

Pin No.

I/O, PU 3.3V-tolerant input for output selection/33-MHz clock output.

Refer to Figure 1 for selection options.

PWR 3.3V power supply for outputs.

SEL24_48#/24_4 I/O, PD 3.3V-tolerant input for 2

Features

  • Compliant to Intel CK505.
  • Selectable CPU clock buffer type for Intel P4 or K8 selection.
  • Selectable CPU frequencies.
  • Universal clock to support Intel, SiS and VIA platform.
  • 0.7V Differential CPU clock for Intel CPU.
  • 3.3V Differential CPU clock for AMD K8.
  • 100-MHz differential SRC clocks.
  • 96-MHz differential dot clock.
  • 133-MHz Link clock.
  • 48-MHz USB clocks.
  • 33-MHz PCI clock.
  • Dynamic Freq.

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Full PDF Text Transcription

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CY28551-3 Universal Clock Generator for Intel, VIA and SIS® Features • Compliant to Intel CK505 • Selectable CPU clock buffer type for Intel P4 or K8 selection • Selectable CPU frequencies • Universal clock to support Intel, SiS and VIA platform • 0.7V Differential CPU clock for Intel CPU • 3.3V Differential CPU clock for AMD K8 • 100-MHz differential SRC clocks • 96-MHz differential dot clock • 133-MHz Link clock • 48-MHz USB clocks • 33-MHz PCI clock • Dynamic Frequency Control • Dial-A-Frequency • WatchDog Timer • Two Independent Overclocking PLLs • Low-voltage frequency select input • I2C support with readback capabilities • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction • 3.
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