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CY28378 - FTG for Pentium 4 and Intel 845 Series Chipset

Description

Pin # 3 X1 Name Type I Description Crystal Connection or External Reference Frequency Input: This pin has dual functions.

It can be used as an external 14.318-MHz crystal connection or as an external reference frequency input.

Crystal Connection: Connection for an external 14.318-MHz crystal.

Features

  • Compatible with Intel® CK-Titan and CK-408 Clock Synthesizer/Driver specifications.
  • System frequency synthesizer for Intel Brookdale 845 and Brookdale.
  • G Pentium 4® chipsets.
  • 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.
  • Programmable 3V66 and PCI output freq.

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Full PDF Text Transcription

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CY28378 FTG for Pentium 4® and Intel® 845 Series Chipset Features • Compatible with Intel® CK-Titan and CK-408 Clock Synthesizer/Driver specifications • System frequency synthesizer for Intel Brookdale 845 and Brookdale – G Pentium 4® chipsets • 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 • Programmable 3V66 and PCI output frequency mode • Capable of generating system RESET after a Watchdog timer time-out or a change in output frequency via SMBus interface occurs • Support SMBus byte read/write and block read/ write operations to simplify system BIOS development • Vendor ID and Revision ID support • Programmabl
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