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SS5's avatar
SS5
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

FIFO:How to slow down the clock Frequency from 50 Mhz

once I enable your counter, it is writing at full clock speed to the fifo once the fifo is full, the counter just continues counting by the time it start reading and printing the first value to the...
GuaBin_N_Intel's avatar
GuaBin_N_Intel
Icon for Contributor rankContributor
7 years ago

Have you tried to use and understand the example code and register map given in the FIFO API? What you need to do is

1) ​Set the almost full threshold using initialization : altera_avalon_fifo_init()

2) Monitor the read status of FIFO : altera_avalon_fifo_read_status() and its status description can be referred to 20.5.1 Software control=> "i_status"