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CY28551

Part Number	CY28551
Manufacturer	Cypress Semiconductor
Description	Universal Clock Generator
Published	Oct 26, 2009
Detailed Description	CY28551 Universal Clock Generator for Intel, VIA, and SIS® Features • • • • • • • • • • • Compliant to Intel® CK505 Sel...
Datasheet	CY28551 PDF File

Overview

CY28551 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 clock 33 MHz PCI clocks • • • • • • • 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.
3V Power supply • 64-pin QFN package CPU x2 SRC x8 SATA x1 PCI x7 REF x3 LINK x2 DOT96 x1 24_48M x1 48M x1 Block Diagram VDD_REF Xin Xout Pin Configuration REF[2:0] VDD_CPU CPUT[1:0] CPUC[1:0] VDD_PCIEX PCIET [8:1] PCIEC[8:1] VDD_SATA PCI1/CLKREQ#A PCI0/CLKR...

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