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Altera_Forum
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11 years ago

Reading SPI data. The VHDL synchronize problem?

Hi, can anybody help me with this issue. I'm trying to read the SPI data from another device but it seems that I cannot make it synchronized. Briefly, I try to send a constant (16 bit), for instant a...
Altera_Forum's avatar
Altera_Forum
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11 years ago

Usually you wouldnt use the SPI_SCLK as a clock, you use it as another signal and synchronise it into your system clock domain (running many times faster). This way you avoid any timing issues. And using SPI_CS as a clock is a very bad idea.