器件名称: W305B
功能描述: Frequency Controller with System Recovery for Intel Integrated Core Logic
文件大小: 247.37KB 共21页
简 介:W305B
Frequency Controller with System Recovery for Intel Integrated Core Logic
Features
Single chip FTG solution for Intel Solano/810E/810 Programmable clock output frequency with less than 1 MHz increment Integrated fail-safe Watchdog timer for system recovery Automatically switch to HW selected or SW programmed clock frequency when Watchdog timer time-out Capable of generating system RESET after a Watchdog timer time-out occurs or a change in output frequency via SMBus interface Support SMBus byte read/write and block read/write operations to simplify system BIOS development Vendor ID and Revision ID support Programmable drive strength for SDRAM and PCI output clocks Programmable output skew between CPU, AGP, PCI and SDRAM Maximized EMI suppression using Cypress’s Spread Spectrum Technology Low jitter and tightly controlled clock skew Two copies of CPU clock Thirteen copies of SDRAM clock Eight copies of PCI clock One copy of synchronous APIC clock Three copies of 66-MHz outputs Three copies of 48-MHz outputs One copy of double strength 14.31818-MHz reference clock One RESET output for system recovery SMBus interface for turning off unused clocks
Key Specifications
CPU, SDRAM Outputs Cycle-to-Cycle Jitter: ............. 250 ps APIC, 48-MHz, 3V66, PCI Outputs Cycle-to-Cycle Jitter:................................................... 500 ps CPU, 3V66 Output Skew: ........................................... 175 ps SDRAM, APIC, 48-MHz Output Skew: ........……
