4 Microchip Knowledge Base

Most official product collateral for the LAN9645xF and LAN9645xS devices is available through the LAN9645x product pages on the Microchip website. In addition to the official documentation, Microchip provides supplemental technical guidance through the Microchip Knowledge Base (KB). The Knowledge Base is a searchable repository of articles that provide practical, usage-oriented information that complements this Getting Started Guide.

For LAN9645x devices, the Knowledge Base includes articles covering topics such as:

• Device and variant selection (LAN9645xS vs LAN9645xF)
• Managed vs unmanaged operating models
• Boot mode, strap, and GPIO behavior
• EEPROM and GUI Configurator usage
• Linux DSA bring-up and configuration examples
• Interface configuration guidance (RGMII, RMII, SGMII, QSGMII)
• Common troubleshooting scenarios and FAQs

When searching the Knowledge Base, use keywords such as “LAN9645” or “LAN9645x” to locate relevant content; https://support.microchip.com/s/global-search/lan9645x