Overview

Description

The 951412 is a main clock synthesizer chip that provides all clocks required for ATI RS480-based systems. An SMBus interface allows full control of the device.

Features

  • 3 - 14.318 MHz REF clocks
  • 1 - USB_48MHz USB clock
  • 1 - HyperTransport 66 MHz clock seed
  • 1 - PCI 33 MHz clock seed
  • 2 - Pairs of AMD K8 clocks
  • 6 - Pairs of SRC/PCI Express* clocks
  • 2 - Pairs of ATIG (SRC/PCI Express) clocks
  • 2 - Programmable Clock Request pins for SRC clocks
  • Spread Spectrum for EMI reduction
  • Outputs may be disabled via SMBus
  • External crystal load capacitors for maximum frequency accuracy

Comparison

Applications

Documentation

Type Title Date
Datasheet PDF 287 KB
Product Change Notice PDF 361 KB
Product Change Notice PDF 32 KB
3 items

Design & Development

Models