The network interface module or embedded design contains everything needed to participate in a PROFIBUS serial network including the communications controller, protocol stacks, Flash, RAM, and physical interface. A host processor connects to the unit via a UART or 16-bit parallel interface. At the software layer, the host connects to the unified interface so other protocols can be used without changing the host software. The unit has passed PROFIBUS certification for DP-V1 devices, and can be integrated into a design as either a module or an embedded design. As a module, it plugs into a board using standard 2.54 mm pitch through-hole pins. When designing-in the module, hardware integration is as easy as connecting power/ground/reset and interfacing the host to the UART or 16-bit parallel interface. As an embedded design, the unit's hardware design can be integrated directly using the schematics provided. Also provided are the bill of materials and example layouts to minimize the hardware design effort. Software for the embedded design is provided as firmware that is downloaded to Flash. No software development is required and there are no license fees or royalties.
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