W133 Overview
PRELIMINARY W133 Spread Spectrum System Frequency Synthesizer Supply Voltages: ...................................... VDDQ3 = 3.3V±5% VDDQ2 = 2.5V±5% Note: 1. See Table 2 for plete mode selection details. Block Diagram X1 X2 CPU_STOP# Pin Configuration
W133 Key Features
- Maximized EMI suppression using Cypress’s spread spectrum technology
- Intel CK98 Specification pliant
- 0.5% downspread outputs deliver up to 10 dB lower EMI
- Four skew-controlled copies of CPU output
- Eight copies of PCI output (synchronous w/CPU output)
- Four copies of 66-MHz fixed frequency 3.3V clock
- Two copies of CPU/2 outputs for synchronous memory reference
- Three copies of 16.67-MHz IOAPIC clock, synchronous to CPU clock
- One copy of 48-MHz USB output
- Two copies of 14.31818-MHz reference clock