PRELIMINARY W147G Frequency Generator for Integrated Core Logic Features • Maximized EMI suppression using Cypress’s Spread Spectrum Technology • Low jitter and tightly controlled clock skew • Highly integrated device providing clocks required for CPU, core logic, and SDRAM • Three copies of CPU clock at 66/100 MHz • Nine copies of 100-MHz SDRAM clocks • Eight copies of PCI clock • Two copies of synchronous APIC clock • Two copies of 48-MHz clock (non-spread spectrum) optimized for USB reference input and video dot clock • Two copies of 66-MHz fixed clock • One copy of 14.
31818-MHz reference clock • Power-down control • I2C interface for turning off unused clocks Key Specifications CPU, S...

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