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Altera_Forum's avatar
Altera_Forum
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12 years ago

on chip FIFO memory question

Hello, I met a question when add on-chip FIFO memory in Qsys. when writing data to FIFO core, it can result in PC hung up. pls see the attached file for details would you please help me? ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

You have the checkbox "Allow Backpressure" activated.Deactivate it or else a full FIFO tells your Computer to wait until there is space to write the data. And when the rest of your design doesn't empty the FIFO there will never be Space again .......