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Digi-Key at Embedded World 2022 with onsemi

29th June 2022
Paige West

At embedded world 2022, on the Digi-Key booth, Paige West speaks with Arndt Schuebel, Technical Marketing and Application, I4.0 at onsemi about the first of onsemi’s IEEE802.3cg compliant 10BASE-T1S devices.

onsemi presented the first of its IEEE802.3cg compliant 10BASE-T1S devices.

It is a device that integrates the MAC (Media Access Controller) and the PHY (Physical layer) in a single device with a small footprint. It primarily targets the industrial market. One of the use cases is in-cabinet wiring, but Schuebel is sure that there is many more to discover once customers start playing with the device.


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

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