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Altera_Forum's avatar
Altera_Forum
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14 years ago

SPI Problems

Hi, I'm trying to get handle with the SPI on a Nios II Core but I don't get it. I have a SPI master and a SPI Slave that I can try to transmit some data from the master to the slave. I connecte...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hi,

I tried the SignalTap II again whith some other adjustmens and it worked.

It is shown in the diagram that the data transmission from the master is ok but how to understand the spi_master_SS_n signal i don't understand exactly. Now my question is how could it be that the data is transmitted correct but can't be read correct? Could it be that it is something wrong with the slave or its pin assignment?

Thanks in advance!