I think I prefer SPI, but not sure why (perhaps because its a simpler interface?) - but you do need more wires. Its also faster and supports duplex which means nice and faster (useful for external RAM/ROM?)
I think I prefer SPI, but not sure why (perhaps because its a simpler interface?) - but you do need more wires. Its also faster and supports duplex which means nice and faster (useful for external RAM/ROM?)