Industrial Ethernet protocols are an important part of factory automation. Many protocol standards are now available, including EtherCAT, Profinet, Powerlink, Ethernet/Industrial Protocol (IP) and Sercos III. Having many different protocols makes developing solutions that can be used across multiple different networks more challenging. One solution is to have a single device that can be reprogrammed for different protocols, such as TI's latest AMIC110 System-on-Chip (SoC).
The TI SitaraTM ARM® processor implements more than 10 industrial communication standards through the Programmable Real-Time Cell Industrial Communication Subsystem (PRU-ICSS). Adding a full-featured ARM® processor may not be practical if an existing application processor already exists in the design. If this is the case, you can take advantage of existing products and implement PRU-ICSS functionality by adding a communications processor like the AMIC110 SoC. Although the AMIC110SoC includes the ARMCortex®-A8 core, it can run the Ethernet stack instead of the main processor.
As a communications processor, the AMIC110 SoC provides a flexible alternative to static solutions. One of the advantages is that the software programmability of the AMIC110 SoC allows you to run different communication standards, not just one. This makes it possible to reuse the same device in different projects using different protocols. If the protocol releases a feature change, or if the SoC needs to be completely reprogrammed after the new protocol is released, then reprogrammability makes the upgrade easier. These advantages make the AMIC110 SoC a great way to add industrial communications to devices.
For example, a motor control application can use the C2000TM microcontroller (MCU) to control the motor, as shown in Figure 1. To add a protocol like EtherCAT, the C2000 MCU can communicate with the AMIC110 via the Serial Peripheral Interface (SPI), while the AMIC110 SoC will handle protocol-based communications to the rest of the network.
Figure 1: Example of motor control using the AMIC110 and C2000
The AMIC110 SoC is part of the Sitara processor family and continues the many benefits of the family, such as the use of the Processor Software Development Kit (SDK) as a standard software platform. The processor SDK makes it easy to migrate software between Sitara processors, which reduces the learning time of new processors and allows you to take advantage of existing products.
Other resources• Learn more about the DP83822I Industrial Ethernet PHY.
• Start development with the AMIC Industrial Communication Engine (ICE).
• Add industrial communications to the C2000 project using TI Design.
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