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Daughter Board, 3-Port LAN9303 Ethernet Switch, RMII Ethernet Control Applications


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Technical Datasheet:
AC320004-4   Datasheet
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Product Overview

The AC320004-4 is a switch PHY Daughter Board populated with a high-performance, small-footprint, full-featured 3-port managed LAN9303 Ethernet switch and a 2 port Base-TX MAGJACK connector. It is designed for easy development of RMII Ethernet control applications when plugged into the PIC32 compatible Starter Kits. The board enables Ethernet communication with PIC32MZ EC starter kit, PIC32MZ EC starter kit with crypto engine and PIC32 Ethernet starter kit II.
  • High-performance full-featured 3-port switches with per-port IEEE 802.1Q VLAN support
  • Industries highest (±8kV/15kV) per-port ESD protection
  • IGMP v1/v2 monitoring for multicast packet filtering
  • Up to 200Mbps network speed via a turbo MII interface
  • Optional EEPROM or external CPU serial management support via an I2C™ interface
  • Virtual PHY simplifies software development by mimicking multiple switch ports as a single-port PHY
  • Integrated regulators require a single 3.3V supply


Test & Measurement, Industrial


90 Day Warranty only. After Expiration of Warranty returns must be processed via Microchip.


Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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Ethernet PHY





Microchip PIC32MZ EC & PIC32 Ethernet Starter Kits

Daughter Board LAN9303


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Technical Documents (1)

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361 UK stock available for 4-6 business days delivery

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