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Altera_Forum
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20 years ago

SPI 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_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

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originally posted by eltonlaonong@Oct 10 2005, 07:08 PM

so, in quartus ii, how to deal with the signal of miso generated by spi core in sopc builder?

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Tie it off to VCC or GND if you're not using it. The synthesizer will optimize out the unused registers that way.