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Honored ContributorSPI PUZZLE
Hello, all I have problems with SPI as follows. As you know, SPI is a 3 wire interface and a SPI should have 3 signals commonly, but in SOPC Builder, a SPI have 4 signals actully. They a...
Altera_ForumHonored Contributor
Honored Contributoreltonlaonong,
MOSI means Master-Out-Slave-In and is the data line transfering data from a Clock-Master to a Clock-Slave. And so is MISO the other data line from Slave (Out) to Master (In). This is a full duplex connection with multiple slaves (each selected and activated by a own SS ) and one Master, who provides clock and all slave select signals (SS). Most of the SPIs use this organization. Mike
