W48S111-14 Description
PRELIMINARY W48S111-14 Spread Spectrum Desktop/Notebook System Frequency Generator.
W48S111-14 Key Features
- Maximized EMI suppression using Cypress’s Spread Spectrum Technology
- Reduces measured EMI by as much as 10 dB
- I2C programmable to 133 MHz
- Two skew-controlled copies of CPU output
- SEL100/66# selects CPU frequency (100 or 66.8 MHz)
- Seven copies of PCI output (synchronous w/CPU output)
- One copy of 14.31818-MHz IOAPIC output
- One copy of 48-MHz USB output
- Selectable 24-/48-MHz clock is determined by resistor straps on power-up
- One high-drive output buffer that produces a copy of the 14.318-MHz reference