How do I configure and operate the IO interface? Can the SPI master in the IO interface control external SPI slaves and exchange data with PROFINET directly in the TPS-1?
TPS-1 has a total of three SPI interfaces which are intended for different purposes. A SPI master interface is used exclusively for connection to external serial flash memory. A SPI slave interface is exclusively used for connection to a host CPU, when TPS-1 has been configured to serial host mode. An additional SPI master interface is used when TPS-1 is configured to serial IO mode. The latter two interfaces must be used alternatively, as they cannot work concurrently.