DescriptionThe I-CUBE-NETX Software Expansion contains a middleware API component, called cifX API. It eases access to a netX companion chip for Real Time Ethernet protocols. The cifX middleware component API is internally based on a generic cifX Toolkit. The netX system on chip operates as an independent and flexible communication controller, beside the STM32 host Microcontroller. Industrial protocols like PROFINET, EtherCAT, Ethernet/IP, POWERLINK, Sercos III, and many others are supported by different netX firmware binaries, stored in a serial flash. Data exchange between the STM32 application MCU and the netX protocol execution controller is performed via a dual port memory. Both chips are physically connected by a serial (SPI) or flexible parallel interface. This STM32Cube Expansion features API functions to exchange cyclic process data between the network and the application, as well as acyclic mailbox packets.
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