Datasheet Summary
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Spread Spectrum Frequency Timing Generator
Features
- Maximized EMI Suppression using Cypress’s Spread Spectrum Technology
- - 1.2% and
- 2.4% Spread Spectrum support
- Three copies of CPU output
- Seven copies of PCI output
- One 48-MHz output for USB / One 24-MHz for SIO
- Two buffered reference outputs
- Two IOAPIC outputs
- Seventeen SDRAM outputs provide support for 4 DIMMs
- SMBus interface for programming
- Power management control inputs Table 2. Pin Selectable Frequency Input Address CPU_F, CPU1:2 FS3 FS2 FS1 FS0 (MHz) 1 1 1 1 91.66 1 1 1 0 75.0 1 1 0 1 100.0 1 1 0 0 83.3 1 0 1 1 66.6 1 0 1 0 105.0 1 0 0 1 110.0 1 0 0 0 133.3 0 1 1 1 91.66 0 1 1 0...