Micros

EtherCAT interface for high performance MCU reference design

25th October 2018
Alex Lynn
0

 

This reference design from Texas Instruments demonstrates how to connect a C2000 Delfino MCU to an EtherCAT ET1100 slave controller. The interface supports both demultiplexed address/data busses for maximum bandwidth and minimum latency and a SPI mode for low pin-count EtherCAT communication. 

The slave controller offloads the processing of 100Mbps Ethernet-based fieldbus communication, thereby eliminating CPU overhead for these tasks.

Features

  • High-Bandwidth, low-latency interface to Beckhoff ET1100 EtherCAT Slave Controller.
  • Asynchronous 16-bit parallel interface with demultiplexed address/data bus.
  • Eliminates CPU overhead for EtherCAT frame processing.
  • Includes example code for direct memory R/W of ET1100 Dual-port RAM.

To learn more, click here.

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