CP220x Ethernet Controller ICs

Our CP220x devices are the industry’s smallest single-chip Ethernet controllers containing an integrated Media Access Controller (MAC) and Physical Layer (PHY). The CP220x single-chip Ethernet controller contains an integrated IEEE 802.3-compliant MAC, a 10Base-T PHY and 8 kB of non-volatile Flash memory available in either a 28-pin QFN (5x5 mm) or 48-pin TQFP (9x9 mm) package. CP220x can add Ethernet connectivity to any microcontroller (MCU) or host processor with 11 or more port I/O pins. The 8-bit parallel external memory interface bus supports both industry-standard Intel and Motorola bus formats in multiplexed and non-multiplexed mode. The CP2201 28-pin QFN package supports multiplexed addressing only. Mode select pins are used to select the bus interface mode. 

Package type
8 kB

CP220x Ethernet Controller Common Specs

  • IEEE 802.3 MAC and 10 BASE-T PHY
  • Fully compatible with 100/1000 BASE-T
  • Full/Half duplex with auto-negotiation
  • Automotic polarity detection and correction
  • Hardware diagnostic software


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Part Number Parallel Host Interface Parallel Host Interface Speed (Mbps) Package Type Package Size (mm) LEDs Flash (kB) RAM (kB) Tranceiver Auto-Negotiation Pre-Programmed MAC Address Temperature Range (°C)

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