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Altera_Forum's avatar
Altera_Forum
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11 years ago

system console, external memory, multiple masters

Hi guys Im fairly new here. Im working with a cyclone V GX board and have used qsys to add a memory controller in my nios code to control some lpddr memory on the eval board. Im u...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

So, my suspicion is that the qsys clock parameter is up to me to define. if i say its 50, and i actually give it 125MHz, then its still going to assume its 50MHz?

if thats the case, everything coming out of qsys will be 2.5 times faster. so 9600 baud will become 24000 baud

Im still confused why my signal tap says 9600 baud. im tapping right at the uart TX/RX pins. thats outside the qsys realm. so you would think that the rate would already be skewed by the time it gets to the TX pin.

yet, the data on the TX pin is at 9600 baud.

thoughts?