Do You Know That the SPI Protocol Has 4-Wire and 7-Wire Versions?
Hello everyone, today I want to talk about a very common communication protocol in embedded development—the SPI protocol. However, we will not discuss its basic principles today, but rather explore a detail that many people may not have noticed: the 4-wire and 7-wire versions of the SPI protocol. You might wonder, isn’t SPI just that … Read more