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EtherCAT slave controller for industrial Ethernet, IoT apps

Posted: 20 Apr 2015     Print Version  Bookmark and Share

Keywords:Microchip Technology  EtherCAT  slave controller  industrial Ethernet  IoT 

Microchip Technology Inc. has introduced a stand-alone EtherCAT slave controller that features dual 10/100 Ethernet transceivers that support both fibre and copper, along with cable diagnostics capabilities. According to the company, the LAN9252 supports traditional Host Bus and SPI/SQI communication, along with standalone digital I/O interfaces that give system designers the flexibility to select from various MCUs when implementing the real-time EtherCAT communications standard.

Additionally, the LAN9252 claims to minimise system complexity and cost for developers using EtherCAT in factory-automation, process-control, motor/motion-control and Internet of Things (IoT) industrial-Ethernet applications.


With EtherCAT technology's "on-the-fly" processing and use of standard Ethernet cabling, Microchip's LAN9252 slave controller promises to provide the high level of integration and cost optimisation required for current and future industrial applications.

Fully compliant with the EtherCAT standard and interoperable with all EtherCAT systems, the LAN9252 EtherCAT slave controller includes 4KB of Dual-Port RAM (DPRAM) and three Fieldbus Memory Management Units (FMMUs). The LAN9252 also features cable diagnostics support that allows field service technicians to rapidly and effectively diagnose line faults and provides for fibre connectivity. This EtherCAT slave controller is available in commercial, industrial and extended industrial temperature ranges and low pin count.

To enable development with the LAN9252, two Microchip evaluation boards supporting various system architectures were also announced. These hardware systems demonstrate how to interface to the LAN9252 through basic input/output connections, or to microcontrollers such as the 32bit PIC32MX family via serial communications. A software development kit (SDK) is also available, which further enables developers to immediately start device evaluation and begin building solutions for their applications, allowing them to quickly familiarize themselves with features of the LAN9252. Both boards, part #EVB-LAN9252-HBI and part #EVB-LAN9252-DIGIO, are available for $300 each via any Microchip sales representative or authorised worldwide distributor.

LAN9252 block diagram

The LAN9252 EtherCAT slave controller is available for sampling in 64-pin QFN and QFP-EP packages, starting at $7.01 each, in 10,000-unit quantities.

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