Thread View: comp.dsp
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Started by Weldon Nash
Fri, 16 Oct 1992 20:54
TMS320C25 Question ????
Author: Weldon Nash
Date: Fri, 16 Oct 1992 20:54
Date: Fri, 16 Oct 1992 20:54
22 lines
1250 bytes
1250 bytes
I have a question about the TMS320C25. I am trying to make a digital equalizer and I need to know if this thing is going to be fast enough for my purposes. Now then, the tech. data on the C25 says that the maximum input clock frequency is 40 MHz. Ok. Then if I was sampling at 44.1 kHz, I should have about 900 or so clock cycles to play around with between each sample. However, I am confused. In my data book, it says that the minimum "cycle" time for the MACD instruction is 3 "cycle"s assuming that everything is in the on-chip RAM. However, at the beginning of the tch. reference, it says that the instruction cycle time is 100 ns. My question is, does the "cycle" time referenced above refer to 100ns or does it refer to 25ns (period of 40 MHz clock)? Thanks. -Trey wwn8108@tamsun.tamu.edu Electrical Engineering Dept Texas A&M University
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