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Altera_Forum
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12 years ago

FIR Compiler II multichannel operation

Hi all. I'm using FIR compiler II megafunction to create a block with the following parameters: Decimation filter this N = 2; Number of channels : 11; Clock frequency : 50 MHz; Input...
Altera_Forum's avatar
Altera_Forum
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12 years ago

FIR Compiler II's architecture is such that it always expects the same input pattern. So if you've created an 11-channel FIR filter but are only interested in 1 channel then you will need to pad the inputs with 10 dummy samples and then just ignore the corresponding outputs. Fairly certain EOP should always be asserted on the 11th channel.