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CY28301 - Frequency Generator for Intel Integrated Chipset

General Description

Reference Clock /Frequency Select 1: 3.3V 14.318-MHz clock output.

This pin also serves as the select strap to determine the device operating frequency (as described in Table 5).

Crystal Input: This pin has dual functions.

Key Features

  • Single chip FTG solution for Intel® Solano/810E/810.
  • Support SMBus byte Read/Write and block Read/Write operations to simplify system BIOS development.
  • Vendor ID and revision ID support.
  • 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 cl.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CY28301 Frequency Generator for Intel® Integrated Chipset Features • Single chip FTG solution for Intel® Solano/810E/810 • Support SMBus byte Read/Write and block Read/Write operations to simplify system BIOS development • Vendor ID and revision ID support • 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 • Two copies of 48-MHz outputs • One copy of 14.31818-MHz reference clock Key Specifications CPU, SDRAM Outputs Cycle-to-Cycle Jitter: .............250 ps APIC, 48-MHz, 3V66, PCI Outputs Cycle-to-Cycle Jitter: ...................................................