W48S101-04中文資料賽普拉斯數(shù)據(jù)手冊PDF規(guī)格書

Overview

The W48S101-04, a motherboard clock synthesizer, can pro vide either a 2.5V or 3.3V CPU clock swing, making it suitable for a variety of CPU options. A fixed 48-MHz clock is provided for other system functions. The W48S101-04 supports spread spectrum clocking for reduced EMI.

Features

? Maximized EMI suppression using Cypress’s Spread Spectrum technology

? I2C? interface

? Four copies of CPU output

? Eight copies of PCI clock (synchronous w/CPU output)

? Two copies of 14.318-MHz IOAPIC output

? One copy of 48-MHz USB output

? Selectable 24-/48-MHz clock-through-resistor strapping

? Three buffered copies of 14.318-MHz reference input

? Input is a 14.318-MHz XTAL or reference signal

? Selectable 100-MHz or 66-MHz CPU outputs

? Power management control input pins

? Test mode and output three-state through I2C interface