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Industrial Ethernet comm IC touts built-in Gigabit PHY

Posted: 26 Jun 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Renesas Electronics? Gigabit PHY? Industrial Ethernet? ASSP? Industry 4.0?

Renesas Electronics Corp. has introduced the R-IN32M4-CL2 industrial Ethernet communication application specific standard product (ASSP) with integrated Gigabit PHY. According to the company, the device supports the increasing network and factory productivity needs of Industry 4.0.

In the era of Industrial Internet of Things (IoT), the industry trend is toward increased connectivity, autonomous and interactive machines, and flexible manufacturing to improve operation and reduce costs. With Industry 4.0, the number of sensor nodes in the factory will increase exponentially, driving the need for more bandwidth in the network in order to move more data and improve analytics. Gigabit-level industrial networks will become the norm, as the current standard industrial network of 100Mb/s will be inadequate for next-generation networks, and transition to a 1Gb standard is under consideration.


The R-IN32M4-CL2 extends the family of R-IN32M3 platform that incorporates hardware accelerators supporting real-time operating system (RTOS) performance as well as Ethernet packet handling and it improves network performance by up to five times faster than conventional implementations. The R-IN32M4-CL2 is enhanced with an ARM Cortex-M4 processor with FPU core running at 100MHz, and a single precision floating point unit (FPU) geared for computationally demanding and complex requirements to support process controllers, gateways and IO controllers.

The R-IN32M4-CL2 supports Gigabit Ethernet connectivity with built-in dual Gigabit Ethernet PHYs to reduce the complexity in designing the analogue circuits typically required for gigabit communication. Simplifying the PHY peripheral high-frequency analogue circuit design contributes to reduced development time, risk and lower overall BOM footprint and costs.

CC-Link IE is a leading industrial Ethernet protocol for high-speed/high-capacity field network that supports Gigabit communication as well as mixed transmission of both equipment control data and management data. This technology will be able to provide the performance required to support the large numbers of sensors and actuators expected with the Industry 4.0 network. The R-IN32M4-CL2 includes the CCLink IE Field slave controller in hardware.

The explosion of sensor nodes will be expected to read many different types of signals, from process data such as temperature, pressure and flow, to digital signals from many IO points. To respond to these needs, the R-IN32M4-CL2 includes an FPU in the CPU core, an 8-channel 10bit ADC, a 16-channel 16bit timer and other functions.

Samples of the R-IN32M4-CL2 will be available in October 2015. Mass production of the R-IN32M4-CL2 is scheduled to begin in March 2016 and is expected to reach a scale of 20,000 units per month in March 2020. (Availability is subject to change without notice.)

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