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onsemi NCN26010XMNEVK Evaluation Kit

An innovative new hardware and software combo designed for industrial Ethernet

The onsemi NCN26010XMNEVK 10BASE-T1S MACPHY evaluation kit is a set of PCBs designed to allow customers access to their NCN26010 SPI enabled 10BASE-T1S MACPHY.

Its main purpose is to demonstrate the MACPHYs basic functionality and doubles as a lab tool to allow customers to develop their own embedded software drivers for the NCN26010 device.

The evaluation kit consists of:

  • The NCN26010BMNEVB bridge board

  • The NCN26010XMNEVB 10BASE-T1S evaluation board



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NCN26010: 10Base-T1S Product Overview

The onsemi NCN26010 device is an IEEE 802.3cg compliant Ethernet Transceiver including a Media Access Controller (MAC), a PLCA Reconciliation Sublayer (RS) and a 10BASE−T1S PHY designed for industrial multi−drop Ethernet. It provides all physical layer functions needed to transmit and receive data over a single unshielded twisted pair. NCN26010 communicates to host MCUs via Open Alliance MACPHY SPI protocol.


Enhanced Noise Immunity Mode:

  • ENI extends the noise immunity to values well above the IEEE T1S standard
  • Allows the NCN26010 to withstand worst-case DPI and BCI immunity tests
  • Significantly improves the network reach when enabled, almost 2X better than competition
  • Unique to NCN26010

Lowest Line Pin Capacitance:

  • Best-in-class line pin capacitance allows for the highest number of nodes per segment.
  • The NCN26010 supports up to 40 nodes on a 25-meter segment, well above the IEEE minimum standard
  • Lowers cabling, connector, and installation costs

Collision Detection Masking:

  • Masking detected collisions allows operation in noisy conditions
  • Prevents false collision detection in high-noise environments
  • When used in conjunction with ENI, the NCNS26010 has unparalleled noise tolerance

PLCA Precedence Mode:

  • Lower PLCA ID's get precedence over higher ones
  • Provides arbitration similar to CAN: The Coordinator (i.e., the head node) sends a new beacon once any station transmits
  • Unique to NCN26010

Physical Layer collision avoidance PLCA:

  • Allows higher throughput in multi-drop topologies

Two Configurable Digital Outputs that can Drive Low Current LEDs:

  • Supports systems where up to two LEDs can provide status indicators

Open Alliance Compatible SPI Interface:

  • Conforms to Open Alliance TC6 specs for Configuration and Data Frames to Host MCUs

MAC Address Filtering:

  • By filtering frames based on the destination address, Ethernet frames not intended for a certain node are not processed by the host, thus reducing the load
  • The MAC will see the frame, process the address, drop it based on the filter criteria, and the host will not need to handle it

Supports IEEE802.3 CSMA/CD Collision Detection

  • PLCA mode will default to CSMA/CD collision detection, if needed


  • Industrial Automation
  • Sensor and Control Interfacing
  • Home / Building Control
  • Security and Field Instrumentation

End Products

  • Programmable Logic Controllers
  • Distributed Control Systems
  • Motor Starters
  • Contactors
  • Autonomous Mobile Robots
  • Servers
  • Intelligent Sensors and Lighting
  • Control Panels
  • Human/Machine Interfaces