The example architecture can be found in Motorola’s SPI standard – “SPI Block Guide”. CPOL defines, whether SCK is Low (0) or High (1) when bus is idle (nSS is High). CPHA defines, whether first (0) ...

it is significantly more work than bit banging an SPI interface. For example, check out the transaction for dynamically allocating addresses on the bus, which also works around having static ...

The example I2C isolation circuit from [Max ... circuit that could be placed on each node of a I2C or SPI communication bus. In the event of malfunction, that node can be cut off from the ...