W228B

• Maximized EMI suppression using Cypress's Spread Spectrum technology
• Two copies of CPU clock at 66/100/133 MHz
• Twelve copies of 100 MHz SDRAM clocks
• One copy of PCI clock
• One copy of APIC clock at 33 MHz, synchronous to CPU clock
• Two copies of 48-MHz clock (non-spread spectrum) optimized for USB reference input and video dot clock
• Three copies of 3V 66-MHz fixed clock
• One copy of 14.31818-MHz reference clock
• Power down control
• I²C™ interface for turning off unused clocks